СПОСОБ ТЕСТИРОВАНИЯ НА УТЕЧКУ ТОПЛИВНОЙ СИСТЕМЫ ТРАНСПОРТНОГО СРЕДСТВА (ВАРИАНТЫ) И СПОСОБ ДЛЯ ГИБРИДНОГО ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к топливным системам транспортных средств. В способе тестирования на утечку топливной системы транспортного средства в первом состоянии принимают указание события первого выключения двигателя и указание того, что сохранение тепла при первом событии выключения двигателя должно повышать вероятность успешного выполнения теста на естественное разрежение при выключенном двигателе. После события первого выключения двигателя закрывают вентиляционный клапан бачка на основании указания сохранения тепла без инициирования теста на естественное разрежение при выключенном двигателе. Далее принимают указание события включения двигателя и открывают вентиляционный клапан бачка после события включения двигателя. Во втором состоянии, следующем за первым состоянием, принимают указание события выключения двигателя, которое представляет собой второе событие выключения двигателя. После события выключения двигателя закрывают вентиляционный клапан бачка на основании события выключения транспортного ...

Verfahren zur Erkennung von sicherheitskritischen Betätigungen einer Trennkupplung in einem Hybridmodul eines Antriebsstranges eines Kraftfahrzeuges

Verfahren zur Erkennung von sicherheitskritischen Betätigungen einer Trennkupplung in einem Hybridmodul eines Antriebsstranges eines Kraftfahrzeuges, wobei das Hybridmodul (4) zwischen einem Verbrennungsmotor (1) und einem Getriebe (9) wirksam ist und einen elektrischen Antrieb (7, 8) und die Trennkupplung (6) umfasst, wobei die Trennkupplung (6) zum Start des Verbrennungsmotors (1) durch die Übertragung eines, von dem elektrischen Antrieb (7, 8) oder dem Antriebsstrang gelieferten Drehmomentes durch eine kraftschlüssige Verbindung mit dem elektrischen Antrieb (7, 8) oder dem Antriebsstrang oder zum Abkoppeln des Verbrennungsmotors (1) vom Antriebsstrang für ein rein elektrisches Fahren verwendet wird, dadurch gekennzeichnet, dass zur Feststellung eines Fehlverhaltens der Trennkupplung (6) bei einem jeweils eingestellten Fahrzustand des Hybridmoduls (4) eine Überprüfung einer Drehzahl des Verbrennungsmotors (1) und einer Drehzahl des elektrischen Antriebs (7, 8) in Abhängigkeit des eingestellten ...

Fahrzeugsteuerungssystem

Ein Fahrzeugsteuerungssystem (100) enthält einen ersten Steuerungsteil (10) und einen zweiten Steuerungsteil (20), wobei in Abhängigkeit von einem Fahrzeugzustand einer von diesen als ein Hauptsteuerungsteil und der andere von diesen als ein Nebensteuerungsteil betrieben wird. Der Hauptsteuerungsteil berechnet einen Steuersollwert jeder fahrzeugeigenen Vorrichtung und gibt diesen an einen entsprechenden Steuerungsteil der fahrzeugeigenen Vorrichtung aus. Der Nebensteuerungsteil berechnet ebenfalls einen Steuersollwert jeder fahrzeugeigenen Vorrichtung, aber gibt diesen nicht an den entsprechenden Steuerungsteil der fahrzeugeigenen Vorrichtung aus. Der Steuersollwert des Nebensteuerungsteils wird alleine zum Zwecke einer Überwachung, ob der Steuersollwert, der von dem Hauptsteuerungsteil berechnet wurde, normal oder abnorm ist, verwendet.

Verfahren zum Betreiben einer Hybridantriebseinrichtung für ein Kraftfahrzeug sowie entsprechende Hybridantriebseinrichtung

Die Erfindung betrifft ein Verfahren zum Betreiben einer Hybridantriebseinrichtung (1) für ein Kraftfahrzeug, wobei die Hybridantriebseinrichtung (1) über ein Antriebsaggregat (2) sowie eine elektrische Maschine (3) verfügt, die während eines Fahrbetriebs des Kraftfahrzeugs über ein Schaltgetriebe (8) mit einer Abtriebswelle (12) der Hybridantriebseinrichtung (1) wirkverbunden sind. Dabei ist vorgesehen, dass bei einem Überschreiten eines ersten Temperaturgrenzwerts durch eine Temperatur der elektrischen Maschine (3) mittels des Schaltgetriebes (8) die Übersetzung zwischen der elektrischen Maschine (3) und der Abtriebswelle (12) verkleinert wird. Die Erfindung betrifft weiterhin eine Hybridantriebseinrichtung (1) für ein Kraftfahrzeug.

Vehicle control device

Hybrid vehicle drive control device

METHOD OF STARTING A HEAT ENGINE OF A POWERTRAIN OF A VEHICLE, IN PARTICULAR A CAR"

METHOD FOR MANAGING TASKS BY A MULTI-CORE PROCESSOR OF A MOTOR VEHICLE

METHOD OF STARTING A HEAT ENGINE OF A POWERTRAIN OF A VEHICLE, IN PARTICULAR A CAR "

L'invention concerne un procédé de démarrage d'un moteur thermique d'un groupe motopropulseur d'un véhicule, notamment automobile. Selon l'invention, le procédé comprend une étape d'exécution d'une tentative de démarrage du moteur thermique (1) par un organe de démarrage (2, 3) sélectionné, la tentative de démarrage étant effectuée, lorsque l'organe de démarrage sélectionné (2, 3) est un premier organe de démarrage (2), après l'écoulement d'un délai dépendant d'un critère de défaillance de démarrage détecté. L'invention trouve son application dans le domaine de l'industrie automobile.

METHOD FOR REQUESTING A SECURE AREA SHUTDOWN BY SIMULATING A MALFUNCTION OF A MOTOR VEHICLE

Surge Control Method of Mild Hybrid System and Surge Control Function for Mild Hybrid System

하이브리드 차량의 제어 시스템

... 하이브리드 차량은, 엔진을 제어하는 엔진 ECU와, 모터 제너레이터를 제어함과 함께 엔진 ECU에 엔진 지령 신호를 출력하는 하이브리드 ECU를 구비한다. 엔진 ECU는, 하이브리드 ECU와의 통신에 이상이 발생하지 않은 경우에는, 엔진 동작점(회전 속도 및 토크)이 하이브리드 ECU로부터 받은 엔진 지령 신호에 따른 지령 동작점이 되도록 엔진을 제어한다. 한편, 하이브리드 ECU와의 통신에 이상이 발생한 경우, 엔진 ECU는 엔진 동작점(회전 속도 및 토크)이 미리 정해진 고정 동작점이 되도록 엔진을 제어하는 고정 제어를 실행한다.

LIMP-HOME CONTROLLING METHOD AND SYSTEM FOR HYBRID VEHICLE

Provided are a limp-home controlling method and a system for a hybrid vehicle, which can improve operability by minimizing vehicle vibration (JERK), wherein when high voltage is not applied to an inverter as a high voltage system of a hybrid vehicle is out of order, a counter electromotive force of a motor is used to operate an engine and when difference between an engine speed and a motor speed is the minimum, an engine clutch is connected. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S100) Failure of high voltage power system during EV mode? (S200) Does the motor back EMF correspond to the HSG driveable voltage? (S300) HSG drive with motor back-EMF (S400) Suspended engine start by HSG (S500) Engine speed, motor speed measurement (S600) ¦ Engine speed - motor speed ¦ <= set value? (S700) Perform a limp home after engine clutch joint ...

METHOD FOR OPERATING A VEHICLE

The invention relates to a method for operating a vehicle (10) with a first driveline (14), a second driveline (20) with a traction battery (26), a fuel cell system (28) and a vehicle control system (12), wherein in normal operation, at least the following method steps are carried out: a) starting the vehicle (10) with the first driveline (14), which is fed from the traction battery (26) and starting up the fuel cell system (28), b) after the fuel cell system (28) has been started up, distributing a torque request to the first driveline (14) and the second driveline (20), c) actuating the first driveline (14) by means of the vehicle control system (12) in generator mode to charge the traction battery (26), wherein c1) the fuel cell system (28) is turned off or c2) the fuel cell system (28) continues to be operated at lower power, d) recharging the traction battery (26) when the vehicle is stationary by actuating the fuel cell system (28) by means of the vehicle control system (12), or e ...

METHOD AND CONTROL DEVICE FOR DETECTING A COMBUSTION PROCESS OF AN INTERNAL COMBUSTION ENGINE OF A HYBRID VEHICLE

A method for detecting a combustion process of an internal combustion engine of a hybrid vehicle includes the steps of acquiring a rotational speed signal representing a rotational speed of the crankshaft, acquiring a crankshaft angle signal representing a crankshaft angle of the crankshaft, and determining, based on the rotational speed signal and the crankshaft angle signal, whether a combustion occurs in the internal combustion engine. A control device for detecting a combustion process of an internal combustion engine of a hybrid vehicle is also provided.

Vehicle diagnosis system and method

A vehicle diagnosis system determines whether a vehicle has an abnormality in a temporal engine stop function or a power regeneration function that negates a greenhouse gas reduction effect of the engine. When the vehicle diagnosis system determines an abnormality, the vehicle diagnosis system provides a notification of the abnormality.

VEHICLE CONTROL SYSTEM

A vehicle control system that ensures a sufficient distance to empty in the event of a failure of a clutch for changing an operating mode of a vehicle. The control system is configured to: determine a reduction in performance of the clutch based on a value of a parameter for determining a performance of the clutch; and select the operating mode in which a distance to empty is longer and inhibit to actuate the engagement device, when a reduction in performance of the engagement device is determined.

LIMP-HOME CONTROL METHOD AND SYSTEM FOR HYBRID VEHICLE

A limp-home control method and a system for hybrid vehicles which can minimize vehicle vibration (jerk) and improve operability by driving an engine with counter electromotive force and locking up an engine clutch with a difference between an engine speed and a motor speed minimized when a high voltage to an inverter is interrupted due to a failure of a high voltage system of the hybrid vehicle.

VEHICLE CONTROL APPARATUS

A vehicle control apparatus includes: an oil temperature sensor in the oil; a motor temperature sensor at a position higher than that of an oil level of the oil; a common temperature sensor disposed at a position in the oil when a driving state of the vehicle is a first driving state and disposed at a position higher than that of the oil level when the driving state of the vehicle is a second driving state; a state determination unit configured to determine whether the driving state of the vehicle is either one of the first and second driving states, on the basis of at least a revolution number of the motor; and a malfunction diagnosis unit configured to perform malfunction diagnosis on the basis of output from the common temperature sensor in the first driving state and output from the common temperature sensor in the second driving state.

METHOD AND DEVICE FOR CONTROLLING MILD HYBRID VEHICLE

A method for controlling a mild hybrid vehicle is disclosed. The method includes: controlling a multi-point injection (MPI) fuel system for suppling fuel to an engine for a low revolutions-per-minute (RPM) operation; subsequently, causing a gasoline direct injection (GDI) fuel system for a high RPM operation; switching to the multi-point injection fuel system when it is determined that the gasoline direct injection fuel system fails. The method further comprises calculating a torque deficiency due to the switching from the GDI fuel system to the MPI fuel system and controlling a starter-generator to generate an assist torque to compensate the torque deficiency. 1. A method for controlling a mild hybrid vehicle , comprising:controlling, by a controller, a multi-point injection fuel system suppling fuel to an engine to be operated;controlling, by the controller, a fuel system that supplies fuel to the engine to be changed to a gasoline direct injection fuel system when a number of rotation of the engine is greater than or equal to a reference speed after the multi-point injection fuel system is operated;determining, by the controller, whether a failure of the gasoline direct injection fuel system occurs;changing, by the controller, the fuel system supplying fuel to the engine to the multi-point injection fuel system hen it is determined that the gasoline direct injection fuel system fails;calculating, the controller, a difference value between torque of the engine operated by the multi-point injection fuel system and torque of the engine operated by the gasoline direct injection fuel system; andcontrolling, by the controller, a starter-generator to assist torque of the engine by the difference value.2. The method of claim 1 , further comprising:determining, by the controller, whether failure maintenance time of the gasoline direct injection fuel system is greater than a reference time when it is determined that the gasoline direct injection fuel system fails before ...

CONTROL SYSTEM FOR HYBRID VEHICLE

A control system for a hybrid vehicle (Ve) that can prevent an overcharging of a battery (4) even if a wheel speed drops abruptly. The hybrid vehicle (Ve) comprises: an engine (1); a generator (2) that is driven by the engine (1); a drive motor (3) that generate a drive torque; and a battery (4). The electric power generated by the generator (2) is supplied directly to the battery (4) or the drive motor (3). A controller (8) is configured to determine whether the drive wheel (5) will be locked, and to reduce the electric power generated by the generator (2) less than an acceptable input power (Win) to the battery (4) if the drive wheel is expected to be locked.

Verfahren zum Betreiben eines anschließbaren hybrid-elektrischen Fahrzeugs

Verfahren zum Betreiben eines anschließbaren hybrid-elektrischen Fahrzeugs, das umfasst: Ermitteln, ob das anschließbare hybrid-elektrische Fahrzeug Leistung von einer externen Leistungsquelle empfängt; Sperren des Betriebs des anschließbaren hybrid-elektrischen Fahrzeugs und Ausführen eines thermischen Programms, wenn das anschließbare hybrid-elektrische Fahrzeug Leistung von der externen Leistungsquelle empfängt, wobei das thermische Programm das Aufladen einer Hochspannungsbatterie und das Überwachen des Ladezustands der Hochspannungsbatterie umfasst; Ermitteln, ob das anschließbare hybrid-elektrische Fahrzeug weiterhin Leistung von der externen Leistungsquelle empfängt; und Freigeben des Betriebs des anschließbaren hybrid-elektrischen Fahrzeugs, wenn dieses keine Leistung mehr von der externen Leistungsquelle empfängt.

Verfahren zum Betreiben eines Kraftfahrzeugs, Kraftfahrzeug

Die Erfindung betrifft ein Verfahren zum Betreiben eines Kraftfahrzeugs, dass zumindest zwei Radachsen (2, 3), ein primäres Bremssystem (14) und ein sekundäres Bremssystem (18) sowie zumindest eine Antriebsmaschine (7, 8) aufweist, wobei jedem Rad (4, 5) der Radachsen (2, 3) eine durch die Bremssysteme (14, 18) betätigbare Radbremse (15, 16) zugeordnet ist, wobei in einem Notbremsbetrieb das sekundäre Bremssystem (18) derart angesteuert wird, dass die Radbremsen (15, 16) jeweils die gleiche Bremskraft erzeugen. Es ist vorgesehen, dass im Notbremsbetrieb die zumindest eine einer Vorderradachse (2) zugeordnete erste Antriebsmaschine (7) derart angesteuert wird, dass sie die Vorderradachse (2) mit einem negativen Drehmoment beaufschlagt.

Fahrzeugfahrsteuerungsvorrichtung

Wenn eine Abnormität einem Rotationselektromaschinenansteuersystem, das eine in einem mechanischen Kraftübertragungspfad zu Rädern bereitgestellte Rotationselektromaschine antreibt, aufgetreten ist, wird die Drehzahl der Rotationselektromaschine umgehend reduziert, während ein Anstieg der elektrischen Last auf das Rotationselektromaschinenansteuersystem reduziert wird, um die Zeit zu reduzieren, während der eine Evakuierungsfahrt beeinträchtigt ist. Eine Fahrzeugfahrsteuerungsvorrichtung (1), die eine Fahrzeugfahrvorrichtung (7), in der eine Brennkraftmaschine (70), eine erste Eingriffsvorrichtung (75), eine Rotationselektromaschine (80), eine zweite Eingriffsvorrichtung (95) und Räder (W) in dieser Reihenfolge in einem mechanischen Kraftübertragungspfad antriebsfähig gekoppelt sind, steuert, überführt die erste Eingriffsvorrichtung und die zweite Eingriffsvorrichtung in einen abgetrennten Zustand, wenn eine Abnormität in einem Rotationselektromaschinenansteuersystem (2) aufgetreten ist ...

Verfahren zum Betrieb eines Hybridantriebsstrangs eines Kraftfahrzeugs

Verfahren zum Betrieb eines Hybridantriebsstrangs eines Kraftfahrzeugs (X), wobei der Hybridantriebsstrang einen Verbrennungsmotor (VM), ein Getriebe (G), eine elektrische Maschine (EM), sowie eine zwischen dem Verbrennungsmotor (VM) und der elektrischen Maschine (EM) angeordnete Trennkupplung (K0) aufweist, wobei bei im Getriebe (G) eingelegtem Gang, und bei Vorliegen einer positiven oder negativen Fahrzeugbeschleunigung größer als ein erster Grenzwert, und bei Erwarten, Erreichen oder Überschreiten einer Differenzdrehzahl der Trennkupplung (K0) größer oder gleich als ein weiterer Grenzwert und/oder bei Erwarten, Erreichen oder Überschreiten einer Grenzdrehzahl der elektrischen Maschine (EM) eine Maßnahme zur Abbremsung der elektrischen Maschine (EM) durchgeführt wird, um die elektrische Maschine (EM) oder die Trennkupplung (K0) vor einer Überbelastung zu schützen, sowie elektronische Steuereinheit (ECU) zur Durchführung des Verfahrens, sowie Kraftfahrzeug (X) mit einer solchen Steuereinheit ...

New-energy automobile limping mode control method and system

The control device of the hybrid vehicle and hybrid vehicle

Control method and system for hybrid vehicle with dual clutch transmission

METHOD FOR REQUESTING A SECURE AREA SHUTDOWN BY SIMULATING A MALFUNCTION OF A MOTOR VEHICLE

METHOD AND DEVICE FOR MONITORING OR MOMENTS OF GMP VEHICLE IN CASE OF UNAVAILABILITY OF THE COUPLING STATE OF A PRIME MOVER

HYBRID VEHICLE CAPABLE OF PREVENTING ARREST UNDESIRED BY THE DRIVER EVEN IN THE EVENT OF AN ABNORMALITY OF THE POWER TRANSMISSION.

Dans un véhicule hybride (10), une UCE (50) effectue une marche en EV, dans laquelle un fonctionnement d'un moteur thermique (20) est suspendu, pour effectuer une marche par l'intermédiaire de l'énergie d'un ISG (40), et démarre le moteur thermique (20) en réalisant un entraînement d'un démarreur (26) et une injection de carburant lorsqu'une vitesse de rotation du moteur thermique (20) diminue jusqu'à une valeur seuil (N1), ou en dessous de celle-ci, durant la marche en EV. La valeur seuil (N1) est une vitesse de rotation supérieure à une vitesse de rotation dans un état arrêté.

METHOD FOR DIAGNOSING LEAK OF WORKING FLUID FOR ENGINE CLUTCH IN HYBRID ELECTRIC VEHICLE

The present invention relates to a method for diagnosing leak of working fluid for an engine clutch in a hybrid electric vehicle, capable of precisely and accurately diagnosing leak occurrence by reflecting a vehicle condition and a working fluid condition. The method includes the steps of: determining whether a diagnostic entry condition obtained from vehicle operation information and status information is satisfied; controlling an engine clutch into a released state when the diagnostic entry condition is satisfied; obtaining an engine RPM detected by an engine RPM detecting unit in the released state of the engine clutch and a pressure threshold value corresponding to the temperature of the operating fluid detected by a temperature sensor in an actuator unit for operating the engine clutch; and comparing the pressure of the operating fluid detected by the pressure sensor in the actuator unit with the pressure threshold value to determine whether leakage of the operating fluid has occurred ...

Method for emergency driving of hybrid electric vehicle

Control device with multiple displays and troubleshooting function

CONTROLLING AN ELECTRIC MACHINE TO SUPPORT DIAGNOSTIC TESTING

Aspects of the present invention relate to a method (400) and to a control system (208) for controlling at least one electric machine (212, 216) of a vehicle (10) to support diagnostic testing of a vehicle system (30) comprising an internal combustion engine (202), wherein the method (400) comprises: controlling a torque output (420) of the at least one electric machine 5 (212,216) to allow a vehicle drive torque demand (410) to be met while the internal combustion engine (202) is operated within at least one torque threshold (432) for the diagnostic testing or operated at a torque setpoint (438) for the diagnostic testing.

ENGINE FRICTION MONITOR

An engine friction monitor uses commanded torque and measured torque to provide a prognostic feature to identify failure modes of an engine that causes the engine from delivering the commanded torque.

Motor system and control method for motor system

A motor system includes a motor, a first electronic control unit, a second electronic control unit, a first communication line, and a second communication line. The first electronic control unit transmits first data of the control command to the second electronic control unit via the first communication line when an abnormality has not occurred in the first communication line. The second electronic control unit controls the motor based on the first data after the first data has been received from the first electronic control unit. The first electronic control unit generates second data and to transmit the second data to the second electronic control unit via the second communication line when an abnormality has occurred in the first communication line. The second electronic control unit controls the motor based on the second data after the second data has been received from the first electronic control unit.

Hybrid construction machine

A hybrid construction machine includes: a motor generator system connected to an internal combustion engine and performing a motor generator operation; an electric power accumulation system connected to the motor generator system; a load drive system connected to the electric power accumulation system and being driven electrically; an abnormality detection part equipped to the motor generator system, the electric power accumulation system and the load drive system; and a main control part determining whether an abnormality has occurred based on a detection value of the abnormality detection part. When the abnormality determination part determines that an abnormality has occurred, the main control part stops a drive of a drive system in which the abnormality is detected in the load drive system.

DRIVE SYSTEM FOR HYBRID VEHICLE

A controller of a drive system is configured to, when a power switch is changed from an on state to an off state in a situation in which it has been diagnosed that an abnormality is occurring in a motor generator, execute a starting check process of checking a drive circuit and an engine starting process of starting an engine. The starting check process includes a voltage reduction process of driving a DC-DC converter until a capacitor voltage becomes lower than or equal to a prescribed voltage. The controller is configured to, on condition that the controller determines through a voltage reduction determination process that the capacitor voltage is reduced as compared to the capacitor voltage at an end of the voltage reduction process, execute the engine starting process.

Hybrid vehicle

In a hybrid vehicle including an engine; a first motor configured to generate reverse voltage by rotation; a planetary gear mechanism configured to have three rotational elements connected with a drive shaft coupled with an axle, the engine and the first motor; a second motor configured to input and output power from and to the driveshaft; first and second inverters configured to drive the first and second motors respectively; and an electric storage device, a first control controlling a rotational speed of the engine such that a first electric current to flow through the electric storage device is maximized in a state of gate interruption of the first and second inverters is executed at the time of an evacuation travelling being performed when an ON operation of an accelerator is performed during an inverter failure in which the first and second inverters cannot be normally actuated.

SYSTEM AND METHOD FOR CLOSE-IN-BORE LEARNING FOR A HYBRID VEHICLE

Systems and methods for performing closed-in-bore diagnostics for a hybrid vehicle are presented. In one example, select operating conditions may be evaluated before closed-in-bore diagnostics may be initiated. In addition, charging of one or more batteries may be reduced to ensure that an engine throttle may operate with a small opening amount to evaluate the presence or absence of sludge in the engine throttle.

SYSTEM AND METHOD FOR HIGH VOLTAGE CABLE DETECTION IN HYBRID VEHICLES

СПОСОБ УПРАВЛЕНИЯ И УСТРОЙСТВО УПРАВЛЕНИЯ ДВИГАТЕЛЕМ ГИБРИДНОГО ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к гибридным транспортным средствам. В способе управления двигателем гибридного транспортного средства, когда определяется отказ в отношении двигателя внутреннего сгорания, устанавливают верхний предел целевой скорости вращения режима горения двигателя внутреннего сгорания равным верхней предельной скорости вращения при отказе ниже, чем верхний предел для нормального состояния. Затем устанавливают целевую скорость вращения режима прокрутки двигателя внутреннего сгорания, чтобы она не превышала верхнюю предельную скорость вращения при отказе. Повышается ускорение между переходами режимов. 2 н. и 6 з.п. ф-лы, 6 ил.

Hybridfahrzeug

In einem Hybridfahrzeug enthaltend einen Verbrenner, einen ersten Motor, der dazu konfiguriert ist, eine Umkehrspannung durch eine Rotation zu erzeugen, einen Planetengetriebemechanismus, der dazu konfiguriert ist, drei Rotationselemente aufzuweisen, die, mit einer Antriebswelle verbunden, mit einer Achse, mit dem Verbrenner und mit dem ersten Motor gekoppelt sind, einen zweiten Motor, der dazu konfiguriert ist, eine Energie von und zu der Antriebswelle einzugeben und abzugeben, erste und zweite Inverter, die dazu konfiguriert sind, jeweils die Motoren erster Motor und zweiter Motor anzutreiben, und eine Elektrospeichervorrichtung, wobei eine erste Steuerung eine Rotationsgeschwindigkeit des Verbrenners steuert, sodass eine erste elektrische Stromstärke zum Fließen durch die Elektrospeichervorrichtung in einem Zustand maximiert wird, wo eine Gate-Unterbrechung der Inverter erster Inverter und zweiter Inverter zu der Zeit eines Abgabefortbewegens ausgeführt wird, welches durchgeführt wird ...

Hybridfahrzeug

Ein Hybridfahrzeug weist einen Verbrennungsmotor, der mit einem Leistungsaufteilungsmechanismus verbunden ist, einen Generator, einen Elektromotor und außerdem ein Stufengetriebe auf, das zwischen dem Elektromotor und einer Antriebswelle angeordnet ist. Eine elektronische Steuereinheit (ECU), die in dem Hybridfahrzeug vorhanden ist, verschiebt eine Abwärtslinie nach unten, um zu bewirken, dass ein Herunterschalten wahrscheinlich auftritt, wenn eine vorbestimmte Generatorbedingung und/oder eine vorbestimmte Elektromotorbedingung erfüllt sind. Die Generatorbedingung enthält eine Bedingung, dass die Temperatur des Generators gleich oder größer als eine erste Bezugstemperatur ist und dass ein Absolutwert einer Drehzahl des Generators sich aufgrund des Herunterschaltens verringert. Die Elektromotorbedingung enthält eine Bedingung, dass die Temperatur des Elektromotors gleich oder größer als eine dritte Bezugstemperatur ist.

Hybridantrieb mit Batterieschutz

Verfahren zum Betrieb eines Kraftfahrzeugs, welches einen Verbrennungsmotor und eine elektrische Maschine aufweist, die in einem ersten Fahrbetriebsmodus beide zur Traktion des Kraftfahrzeugs betrieben werden. Während eines Getriebeschaltvorgangs im ersten Fahrbetriebsmodus wird die elektrische Maschine zumindest kurzzeitig als Generator betrieben und ein elektrisches Lastelement wird mithilfe einer zugehörigen Schaltvorrichtung zumindest temporär zugeschaltet, um eine von der elektrischen Maschine im Generatorbetrieb erzeugte Energie zumindest teilweise aufzunehmen. Erfindungsgemäß wird bei jeder Fahrzeuginbetriebnahme das elektrische Lastelement in Verbindung mit der zugehörigen Schaltvorrichtung auf dessen Funktionsfähigkeit überprüft, indem das Lastelement mittels der zugehörigen Schaltvorrichtung für eine vorgegebene Zeit zugeschaltet wird, und eine dadurch erzwungene Spannungsänderung des elektrischen Energiespeichers erfasst und ausgewertet wird.

DYNAMIC APPLICATION EXECUTION FOR AUTOMOBILE AND CLOUD HYBRID ENVIRONMENTS

Embodiments are directed towards providing a dynamic application environment where separate components of an application can execute on separate processing hardware at any given point in time. A host device monitors current operating characteristics associated with a computing device, such a head unit of an automobile, and based on those characteristics selects which components of one or more applications to execute on the computing device and which components to execute on the host device, if any. The host device provides the selected components to the computing device for execution by the computing device and the host device executes any other components that are not executed by the computing device. The host device monitors the current operating characteristics associated with the computing device, and modifies the selection of which components are executing on which device based on changes in current operating characteristics.

Control method and control device for hybrid vehicle

Engine starting control method under battery fault during driving of hybrid vehicle and vehicle

The invention discloses an engine starting control method under a battery fault in the running process of a hybrid vehicle and the vehicle. The engine starting control method comprises the steps that S10, a high-voltage system fault is obtained and judged; s20, judging an engine state and an engine starting condition; s30, if the fault is that the discharging capacity of the power battery is limited, the battery controller can actively cut off the high-voltage relay after preset time, the engine is not started, and the condition of starting the engine is met, the power system controller requests to start the engine; s40, the gearbox controller controls the clutch K0 to be in a semi-combination state, the pressing force of the clutch K1K2 is reduced, and after the motor controller drags the engine to the preset rotating speed, the power system controller requests oil injection and ignition to the engine controller; and S50, after the engine controller feeds back that the engine is successfully ...

METHOD FOR OPERATING A HYBRID VEHICLE, ESPECIALLY A MOTOR VEHICLE

ISG Control Method

apparatus and control method of hybrid vehicle control

CONTROL DEVICE AND METHOD FOR CONTROLLING THE OPERATION OF AN INTERNAL COMBUSTION ENGINE AND OF AN ELECTRICAL MACHINE IN A HYBRID VEHICLE

The invention relates to a control device (10) for controlling the operation of an internal combustion engine (20) and of an electrical machine (30) in a hybrid drive assembly (1) of a vehicle, which hybrid drive assembly permits a mechanical coupling (2) of said engine (20) and said machine (30) in a drive train, the control device comprising: an engine control part (11) for controlling the internal combustion engine (20); an electrical machine control part (12) for controlling the electrical machine (30); a monitoring part (13), which is designed to monitor proper operation of the engine control part (11) and of the electrical machine control part (12) and, in the event of a malfunction, to take over at least one control function of the engine control part (11) and/or of the electrical machine control part (12) within a reaction time span. According to the invention, an engine false-start prevention part (15) is designed to detect a transition of the internal combustion engine (20) from ...

SECURE TORQUE VECTOR DISTRIBUTION TRACTION STRUCTURE

The invention mainly concerns a traction structure (10) for a motor vehicle, comprising: - a first rotating electrical machine (13.1) capable of supplying a torque to a first wheel (12.1 ), and - a second rotating electrical machine (13.2) capable of supplying a torque to a second wheel (12.2), - a link (19) between the first rotating electrical machine (13.1) and the second rotating electrical machine (13.2) for detecting a malfunction of one of the two rotating electrical machines (13.1, 13.2) being capable of transmitting a fault signal relating to a malfunction sent by one, faulty, rotating electrical machine (13.1, 13.2) to the other rotating electrical machine (13.1, 13.2).

HYBRID DRIVETRAIN FOR A HYBRID-DRIVEN VEHICLE AND METHOD FOR SAME

The invention relates to a hybrid drivetrain for a hybrid-driven vehicle, having an internal combustion engine (1) which transmits drive to vehicle wheels via a load path, in which a two-mass flywheel (11), which has flywheel masses (9, 13) which are coupled elastically by means of spring assemblies, is connected, and at least one electric machine (5) which can be coupled in a drive-transmitting fashion into the load path via an automatic transmission (3), wherein in the automatic transmission (3) a drive torque (MBKM) from the internal combustion engine and a drive torque (MEM) from the electric machine can be added, with addition of power, to form an overall drive torque (Mges) with which the vehicle wheels can be driven, and wherein on the basis of driving operation parameters and/or a driver's request an electronic control unit (19) actuates an engine control unit (21) of the internal combustion engine (1) and/or power electronics (20) of the electric machine (5) with setpoint torque ...

AUTOMOBILE INCLUDING MOTOR FOR RUNNING THE AUTOMOBILE

When there is an abnormality in communications between a motor ECU (40) and an HVECU (70) in an automobile, the motor ECU (40) controls a motor (MG2) such that creep torque or a given torque larger than the creep torque is delivered from the motor (MG2). Thus, when there is an abnormality in communications between the HVECU (70) and the motor ECU (40), the automobile is able to run in a limp home mode.

POWER SUPPLY CONTROL DEVICE

Provided is a power supply system that comprises: a rotating electrical machine (21) that can perform power generation and power running; a switching circuit unit (22) that energizes the respective phases of the rotating electrical machine by turning a plurality of switching elements (Sp, Sn) ON and OFF; power storage units (11, 12) that are connected to the switching circuit unit; and switches (31, 32) that are provided along electrical paths between the switching circuit unit and the power storage units. A cutting unit (52a) that cuts an energizing path when an overcurrent flows to at least either one of the rotating electrical machine and the switching circuit unit. A power supply control device (23, 37, 40) comprises: an overcurrent determining unit that determines that an overcurrent has flowed on the basis of the results of a first determination that an energization current flowing to the switching circuit unit has increased to a prescribed overcurrent threshold (TH1) and a second ...

CONTROL SYSTEM FOR HYBRID VEHICLE

A control system may include a first electronic control unit programmed to control the engine and a second electronic control unit programmed to control the rotary electric machine. The second electronic control unit may be programmed to output an engine command signal to the first electronic control unit through communication with the first electronic control unit. The first electronic control unit may be programmed to control the engine in accordance with the engine command signal received from the second electronic control unit, when a communication abnormality with the second electronic control unit does not occur; and to execute fixing operation control in which the engine is controlled such that at least one of speed, output power, and output torque of the engine becomes a corresponding fixed value, when the communication abnormality with the second electronic control unit occurs. 1. A control system for a hybrid vehicle , the hybrid vehicle being configured to travel by using power of at least one of an engine and a rotary electric machine , the hybrid vehicle being configured to be able to output request drive power requested by a user ,the control system comprising:a first electronic control unit being programmed to control the engine; anda second electronic control unit being programmed to control the rotary electric machine, the second electronic control unit being programmed to output an engine command signal to the first electronic control unit through communication with the first electronic control unit, andthe first electronic control unit being programmed to:a) control the engine in accordance with the engine command signal received from the second electronic control unit, when a communication abnormality with the second electronic control unit does not occur; andb) execute fixing operation control in which the engine is controlled such that at least one of speed, output power, and output torque of the engine becomes a corresponding fixed value, when ...

Method and safety concept for recognizing defects in a drive system of a motor vehicle

A method and associated safety system are provided for the recognition of defects in a drive system of a motor vehicle, having an electronically controllable brake control system and having at least one electronically controlled driving engine, an electronically controllable clutch and/or having an electronically controllable transmission. An electronic braking control device is assigned to the brake control system, which braking control device is connected with an independent monitoring module. The independent monitoring module checks for an occurrence of an implausible braking torque, for detecting a defect in the drive system.

Methods and systems for exhaust tuning valve diagnostics

Methods and systems are provided for diagnostics of an exhaust tuning valve during vehicle-off conditions. In one example, the engine may be reverse rotated, unfueled while the position of the exhaust is varied and an intake air flow is estimated at each position of the exhaust tuning valve. The exhaust tuning valve may be diagnosed based on a change in air flow with the variation in the position of the exhaust tuning valve.

APPARATUS AND METHOD FOR CONTROLLING STARTUP OF ENGINE

An apparatus for controlling a startup of an engine includes an engine, an engine controller configured to check whether the startup of the engine is prepared to generate information on whether the startup is prepared when an ignition is turned on, a hybrid controller configured to check whether communication with the engine controller is normal and to generate information on whether the hybrid controller is normal, the hybrid controller causing a vehicle to be driven only in an EV mode or generating a start control signal for the startup of the engine, according to whether the EV mode is engaged when a start signal is input from a driver, and a starter driver configured to start the engine in response to the start control signal.

Systems and methods for monitoring degradation associated with mounts for torque-supplying devices

Methods and systems are provided for using energy harvesting modules as a means for providing energy to power an electrical load and/or as a means for monitoring an operational state of a component or components to which the energy harvesting module is coupled. In one example, a method includes, via a controller, monitoring an actual amount of energy generated by an energy harvesting module attached to a mounting structure that is used to secure a torque-supplying machine to a frame, comparing the actual amount to an expected amount, and indicating degradation of the mounting structure and/or the torque-supplying machine based on the comparing. In this way, the energy harvesting modules may both power electrical loads and simultaneously serve as a monitor for component degradation.

LIMP HOME MODE FOR A BATTERY ELECTRIC VEHICLE

The disclosure relates to a safety system for a battery electric vehicle (BEV) that comprises one or more electromotors powered by a battery system, wherein the safety system allows a "limp home mode" to be activated. The disclosure further relates to a battery electric vehicle provided with such a safety system. The battery system of the electric vehicle preferably is the sole power supply of the vehicle for powering the one or more electromotors for a prolonged period of time, e.g. a period of time greater than 10 minutes.

CONTROL METHOD AND APPARATUS OF HYBRID ELECTRIC VEHICLE

APPARATUS AND METHOD FOR CONTROLLING AN ELECTRIC MACHINE FOR A VEHICLE

Verfahren und Vorrichtung zum Betreiben eines Energieversorgungssystems zum Bereitstellen von elektrischer Energie in einem Hybridfahrzeug

Die Erfindung betrifft ein Verfahren zum Betreiben eines Hybridantriebssystems in einem Hybridfahrzeug mit einem Elektroantrieb und einem weiteren Antriebsmotor, mit folgenden Schritten:- Bereitstellen einer angeforderten Gesamtantriebsleistung zum Vortrieb des Hybridfahrzeugs, wobei die angeforderte Gesamtantriebsleistung zumindest teilweise durch eine Anforderung einer Teilantriebsleistung für den weiteren Antriebsmotor bereitgestellt wird;- Bereitstellen eines vorgegebenen Begrenzungswerts, um die elektrischen Leistungsaufnahme zum Bereitstellen der Teilantriebsleistung für den Elektroantrieb zu begrenzen;- bei Feststellen einer Ausfallsituation, bei der eine tatsächliche Teilantriebsleistung des weiteren Antriebsmotors geringer ist als die angeforderte Teilantriebsleistung für den weiteren Antriebsmotor, Zulassen des Erhöhens der elektrischen Leistungsaufnahme des Elektroantriebs über einen vorgegebenen Begrenzungswert.

Verfahren zum Betrieb eines Hybrid-Kraftfahrzeugs sowie Antriebsstrang für ein Hybrid-Kraftfahrzeug

Verfahren zum Betrieb eines Hybrid-Kraftfahrzeugs (10), bei demein Kaltstart des Hybrid-Kraftfahrzeugs (10) detektiert wird,ein Ladezustand einer zu einem rein elektrischen Betrieb des Hybrid-Kraftfahrzeugs (10) vorgesehenen Traktionsbatterie ermittelt wird undin einem Fall, dass ein Kaltstart vorliegt und der Ladezustand der Traktionsbatterie oberhalb einer Aufladeschwelle (18), bis zu der eine Aufladung der Traktionsbatterie im Fahrbetrieb des Hybrid-Kraftfahrzeugs (10) zugelassen ist, liegt, eine Schubübernahme durch einen als Verbrennungsmotor ausgestalteten Antriebsmotor zum Bremsen des Hybrid-Kraftfahrzeugs (10) über einer vordefinierte Wegstrecke des Hybrid-Kraftfahrzeugs (10) und/oder einen vordefinierten Zeitraum unterbunden wird.

MOTORFAHRZEUG

Ein Motorfahrzeug weist einen Motor, der konfiguriert ist, um Leistung zum Antreiben einzugeben und auszugeben, einen Umkehrer, der konfiguriert ist, um den Motor anzutreiben, eine Leistungsspeichereinrichtung, die konfiguriert ist, um elektrische Leistung zu dem Motor und von diesem zu übertragen, ein Systemhauptrelais, das konfiguriert ist, um die Leistungsspeichereinrichtung mit einem Leistungsnetz auf einer Umkehrerseite zu verbinden und von diesem zu trennen, und eine Steuerungsvorrichtung, die konfiguriert ist, um dem Motorfahrzeug zu erlauben, mit einem Anschalten des Systemhauptrelais nach einem vorbestimmten Vorgang als Ansprechen auf einen System-An-Betrieb angetrieben zu werden, auf. Das Motorfahrzeug führt eine Fehlerdiagnose des Umkehrers nicht aus, wenn ein Abnormitätssignal des Umkehrer vor einer vorbestimmten Zeit, nachdem das Systemhauptrelais als Ansprechen auf den System-An-Betrieb angeschaltet wurde, erzeugt wird, während des Ausführens der Fehlerdiagnose, wenn das Abnormitätssignal ...

ELEKTRISCHER LASTABWURF FÜR FAHRZEUGE

Die Offenbarung stellt einen elektrischen Lastabwurf für Fahrzeuge bereit.Ein Fahrzeug beinhaltet eine Schnittstelle, einen Ausgang und einen Wandler, der zu Folgendem konfiguriert ist: Unterbrechen eines Flusses eines Batteriestroms zu internen Fahrzeugverbrauchern als Reaktion auf eine Benutzereingabe an der Schnittstelle, die einen Abwurfmodus aktiviert, sodass die an dem Ausgang verfügbare Leistung unabhängig davon, ob ein externer Verbraucher in den Ausgang eingesteckt oder von diesem entfernt ist, einen vorbestimmten Schwellenwert überschreitet, und andernfalls Beibehalten des Flusses unabhängig davon, ob ein externer Verbraucher in den Ausgang eingesteckt ist.

Verfahren zum Betreiben einer Hybridantriebsvorrichtung sowie Hybridantriebsvorrichtung

Verfahren zum Betreiben einer Hybridantriebsvorrichtung eines Fahrzeugs, die mindestens eine Brennkraftmaschine und mindestens eine elektrische Maschine aufweist, die mittels mindestens einer Kupplung miteinander wirkverbindbar sind, wobei der Hybridantriebsvorrichtung im Leerlaufbetrieb eine Leerlaufdrehzahl vorgegeben wird, dadurch gekennzeichnet, dass bei geöffneter Kupplung die Leerlaufdrehzahl der elektrischen Maschine und eine bestimmte Soll-Drehzahl der Brennkraftmaschine vorgegeben wird.

SYSTEM UND VERFAHREN ZUM BESTIMMEN, WANN SICH EINE KRAFTMASCHINE IN EINEM HYBRIDELEKTROFAHRZEUG ANORMAL ABGESTELLT HAT

Verfahren zum Bestimmen, wann eine Kraftmaschine eines Hybridelektrofahrzeugs anormal abgestorben ist, aufweisend:a) Bestimmen durch eine Steuereinheit, ob eine Anfangsbedingung erfüllt ist;b) Bestimmen durch die Steuereinheit, ob die Kraftmaschine nur anormal abgestorben ist während die Anfangsbedingung erfüllt ist;c) Erhöhen einer Anzahl des Absterbens durch die Steuereinheit in Erwiderung auf das Absterben der Kraftmaschine;d) Bestimmen durch die Steuereinheit, ob die Kraftmaschine wieder in einen normalen Betriebszustand übergeht;e) Verringern der Anzahl des Absterbens durch die Steuereinheit, wenn die Kraftmaschine wieder in den normalen Betriebszustand übergeht; undf) Bestimmen durch die Steuereinheit, dass die Kraftmaschine defekt ist, wenn die Anzahl des Absterbens höher als ein vorbestimmter Schwellenwert oder gleich demselben ist, wobei die Anfangsbedingung eine Bedingung enthält, dass sich die Kraftmaschine im normalen Betriebszustand befindet.

Hybrid vehicle

Engine friction monitor

METHOD FOR DETECTING COMBUSTION IRREGULARITIES TYPE UNIT OF AN INTERNAL COMBUSTION ENGINE COUPLED TO A PROPULSION UNIT ELECTRIC, A HYBRID AUTOMOBILE

La présente invention a pour objet un procédé de détection d'irrégularités de combustion d'une unité (Mth) de type moteur à combustion interne couplée à une unité de propulsion électrique (Me) d'un véhicule automobile hybride (V) comportant une unité de pilotage (9), consistant à mesurer ponctuellement un couple de valeurs P, θ respectivement représentatives de la valeur P de la puissance consommée par le moteur électrique (Me) et de la valeur θ du régime du moteur thermique (Mth), à comparer chaque couple de valeurs mesurées P, 9 avec un couple de valeurs théoriques Pth, θth correspondant aux données de consignes délivrées par l'unité de pilotage (9), et lors d'un défaut de correspondance entre au moins une des valeurs mesurées P, θ et la valeur théorique Pth, θth associée, à déclencher une procédure de synchronisation destinée à déterminer le phasage du moteur à combustion interne (Mth).

METHOD FOR ENSURING THE STABILITY OF THE DATA OF A MULTI-CORE PROCESSOR OF A MOTOR VEHICLE

차량의 변속 제어 장치

... 기어 변속 기구에 윤활용 오일을 공급하는 오일 펌프를 구비한 차량에 있어서, 오일 펌프에 이상이 발생한 경우에, 윤활부의 시징이나 파손을 방지할 수 있도록 한 차량의 변속 제어 장치를 제공한다. 복수의 변속 패턴을 선택 가능한 기어식의 변속기(1)와, 윤활용 전동 오일 펌프(20)를 구비하는 차량에 있어서, 전동 오일 펌프(20)에 이상이 발생하였을 때, 윤활부의 부하가 작은 변속 패턴을 선택한다.

VEHICLE CONTROL METHOD AND VEHICLE CONTROL DEVICE

This vehicle control device controls a vehicle comprising: a drive motor (22) that is connected to the rotary shaft of a wheel; a battery (21) that supplies power to the drive motor (22); and an internal combustion engine (18) that is connected to the drive motor (22). The vehicle has, as travel modes, a normal mode and an eco mode in which regenerative braking force obtained by converting rotational energy of wheels into electric energy is greater than that in the normal mode. A controller (14) stops the internal combustion engine (18) and switches from the normal mode to the eco mode upon detecting an abnormality in at least the internal combustion engine (18) while the vehicle is travelling.

CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE

A control device (100) controls traveling of a vehicle (10) which travels by means of a driving force of an electric motor (20). The control device (100) is provided with: a vehicle control unit (110) that determines target torque Tt to be generated by the electric motor in accordance with an accelerator operation carried out by a driver, and outputs a control signal for an instruction of driving of the electric motor at the target torque; and a monitoring unit (120) that determines monitoring torque Ttw in accordance with the accelerator operation, and instructs execution of a fail-safe process on the electric motor when determination conditions, including a condition that the target torque and the monitoring torque do not match each other in terms of being positive/negative, are satisfied.

A CONTROLLER, A CONTEXT BROADCASTER AND AN ALERT PROCESSING DEVICE

A controller may include one or more processors configured to control an automotive operating function representing an operation of an actuator of an automobile; receive a first message in accordance with an automotive fieldbus communication protocol via a fieldbus communication network, wherein the first message comprises contextual information associated with the automobile; determine whether a relation between the contextual information and a status of the automotive operating function fulfills a predefined criterion; generate a second message in accordance with the automotive fieldbus communication protocol, wherein the second message comprises information representing a result of the determination.

Apparatus and method for controlling travel of vehicle

Provided is a method of controlling a vehicle, the method including: determining a driving mode based on a speed of the vehicle and a user-selected driving mode, the determining the driving mode comprising driving the vehicle using power supplied from at least one power supply source of power supply sources, the power supply sources including: 1) first and second engine generators, each configured to generate power by using turning force; 2) a battery charged by the first or second engine generator; and 3) an ultra capacitor charged by the first or second engine generator; and determining an alternative driving mode comprising switching from the at least one power supply source of the power supply sources to another power supply source of the power supply sources to drive the vehicle if a failure occurs in the at least one power supply source of power supply sources.

VEHICLE POWER MANAGEMENT FAILURE

A computer includes a processor and a memory storing processor-executable instructions. The processor is programmed to disconnect loads from a first bus of a vehicle in response to a power failure affecting the first bus and a second bus of the vehicle, and then navigate the vehicle to a stop. The loads are redundantly supplied by the first and second buses. 1. A computer comprising a processor and a memory storing processor-executable instructions , the processor programmed to:disconnect loads from a first bus of a vehicle in response to a power failure affecting the first bus and a second bus of the vehicle, wherein the loads are redundantly supplied by the first and second buses; andthen navigate the vehicle to a stop.2. The computer of claim 1 , wherein the processor is further programmed to select a location for the vehicle to stop based on a calculated running time of the vehicle being greater than a time to navigate the vehicle to a stop at the location.3. The computer of claim 2 , wherein the calculated running time of the vehicle leaves energy to accommodate at least one of transmitting a message or illuminating emergency lights after navigating the vehicle to the stop.4. The computer of claim 2 , wherein the processor is further programmed to transmit a message to a remote server requesting a plurality of potential locations for the vehicle to stop claim 2 , and select the location for the vehicle to stop from the potential locations returned by the remote server.5. The computer of claim 1 , wherein the processor is further programmed to deactivate a plurality of sensors while navigating the vehicle to the stop claim 1 , and the deactivated sensors have a field of view at least one of redundant of a field of view of a still-active sensor or oriented in a direction that the vehicle will not travel while navigating to the stop.6. The computer of claim 1 , wherein the processor is further programmed to estimate a time to navigate the vehicle to the stop claim ...

Hybrid Vehicle Propulsion Systems And Methods

A hybrid vehicle propulsion includes an engine and a first electric machine, where each is configured to selectively provide torque to propel the vehicle. The propulsion system also includes a second electric machine coupled to the engine to provide torque to start the engine from an inactive state. A high-voltage power source is configured to power both of the first electric machine and the second electric machine over a high-voltage bus. The propulsion system further includes a controller programmed to deactivate the engine and propel the vehicle using the first electric machine in response to the vehicle being driven at a steady-state speed for a predetermined duration of time. The controller is also programmed to restart the engine using the second electric machine powered by the high-voltage power source. 1. A hybrid vehicle propulsion system comprising:an engine and a first electric machine each configured to selectively provide torque to propel the vehicle;a second electric machine coupled to the engine to provide torque to start the engine from an inactive state;a high-voltage power source to power both of the first electric machine and the second electric machine over a high-voltage bus; and deactivate the engine and propel the vehicle using the first electric machine in response to the vehicle being driven at a steady-state speed for a predetermined duration of time, and', 'restart the engine using the second electric machine powered by the high-voltage power source., 'a controller programmed to'}2. The hybrid vehicle propulsion system of further comprising a low-voltage power source claim 1 , wherein the high-voltage power source and the low-voltage power source are integrated as part of a single energy storage module.3. The hybrid vehicle propulsion system of wherein the controller is further programmed to select one of a plurality of drive modes based on at least one of a vehicle speed claim 1 , a torque demand claim 1 , a SOC of the high-voltage power ...

Vehicle

An electronic control unit of a vehicle recognizes a shift position based on a user's shift operation and controls a drive device based on the shift position, and an accelerator operation, a brake operation, and a steering operation by the user. When a predetermined abnormality that the shift position is not able to be recognized has occurred, the electronic control unit sets an abnormality-time shift position based on vehicle surroundings information and controls the drive device based on the abnormality-time shift position, the brake operation, and the steering operation.

APPARATUS FOR PROTECTING INVERTER OF HYBRID VEHICLE

An apparatus for protecting an inverter of a hybrid vehicle traveling using a motor connected to a vehicle drive shaft through a transmission and an engine connected to the motor through an engine clutch, the apparatus includes: a hybrid control unit for requesting neutral control of the transmission according to a state of the inverter applying electric power of a battery to the motor, a state of a relay disposed between the battery and the inverter, and a speed of the motor during coasting of the vehicle; and a transmission control unit for controlling the transmission in a neutral mode at the request of the hybrid control unit.

METHOD AND DEVICE FOR CONTROLLING HYBRID VEHICLE

It is a control method of a hybrid vehicle that includes an engine (11) and an electrical power generation motor (12) that is connected with the engine (11) for controlling a rotational speed of the engine (11) to be a target rotational speed. When an failure with respect to the engine (11) is judged, an upper limit of a target rotational speed of a firing operation is set to a first upper limit rotational speed lower than an upper limit for a normal state. Further, a target rotational speed of a motoring operation is set to be not higher than the first upper limit rotational speed. It becomes possible to carry out transition between the firing operation and the motoring operation quickly.

HYBRID VEHICLE CONTROL APPARATUS

КОНТРОЛЛЕР ДЛЯ АВТОМОБИЛЯ И СПОСОБ УПРАВЛЕНИЯ АВТОМОБИЛЕМ

Изобретение относится к транспортным средствам. Контроллер управления трансмиссией автомобиля содержит электронный блок управления, изменяющий передачи механического механизма ступенчатой трансмиссии так, чтобы устанавливать любую ступень смоделированной передачи, и изменяеющий передаточное число механизма бесступенчатой трансмиссии. Ступени смоделированной передачи имеют свое второе передаточное число частоты вращения источника привода относительно выходной частоты вращения механизма ступенчатой трансмиссии. Ступени смоделированной передачи устанавливаются для каждой ступени механической передачи. Количество ступеней смоделированной передачи равно или превышает количество ступеней механической передачи. Когда электронный блок управления обнаруживает сбой механизма ступенчатой трансмиссии, то он фиксирует механизм ступенчатой трансмиссии на ступени передачи аварийного режима. Также он запрещает ступенчатое изменение передачи механизма бесступенчатой трансмиссии и изменяет передаточное число ...

STEUERVORRICHTUNG UND STEUERVERFAHREN FÜR EIN HYBRIDFAHRZEUG

Es wird eine Steuervorrichtung für ein Hybridfahrzeug bereitgestellt, um einen Fahrunfähigkeitszustand zu vermeiden, wenn ein Fahrmotor ausfällt. Wenn der Ausfall des Fahrmotors detektiert wird, wird eine auf einem Leistungsübertragungspfad zwischen einem Verbrennungsmotor und Antriebsrädern angeordnete Kupplung eingekuppelt und falls eine Fahrzeuggeschwindigkeit gleich oder kleiner einem Nennwert ist, wird der Verbrennungsmotor in einen Nicht-Betriebszustand gebracht, wird eine Drosselklappe voll geöffnet und wird ein mit dem Verbrennungsmotor verbundener Generator als ein Motor angetrieben, wodurch eine Antriebskraft übertragen wird, welche erzeugt wird, wenn der Generator als ein Motor angetrieben wird, an die Antriebsräder anstelle einer Antriebskraft des Fahrmotors, um das Fahrzeug zu veranlassen, zu fahren.

Fahrsteuerungsvorrichtung

Eine Fahrsteuerungsvorrichtung (10) umfasst eine Zustandserfassungseinheit (101), die erfasst, ob jede von mindestens drei Energiequellen des Systems zum autonomen Fahren umfassend eine oder mehrere Elektrizitätsspeichereinrichtungen und einen oder mehrere Leistungsgeneratoren, sich in einem normalen Zustand oder in einem Fehlfunktionszustand befindet; und eine Moduseinstelleinheit (102), die einen Fehlfunktionsbetriebsmodus entsprechend einem Typ von mindestens einer der Energiequellen bei Bestimmung, dass sich die mindestens eine der Energiequellen in dem Fehlfunktionszustand befindet, einstellt.

Verfahren und Vorrichtung zum Betreiben eines Kraftfahrzeugs, Kraftfahrzeug

Die Erfindung betrifft ein Verfahren zum Betreiben eines Kraftfahrzeugs (1), mit einer Antriebsanordnung (2), die einen Verbrennungsmotor (3) und eine Elektromaschine (4) aufweist, und mit einem insbesondere hydraulischen Reibbremssystem (9), wobei in Abhängigkeit von einem angeforderten Fahrerwunschmoment die Antriebsanordnung und/oder das Reibbremssystem (9) dazu angesteuert werden, alleine oder gemeinsam das angeforderte Fahrerwunschmoment zu erzeugen, wobei der Elektromaschine (4) zur Erzeugung zumindest eines Anteils des Fahrerwunschmoments ein Soll-Drehmoment vorgegeben wird, und wobei das Soll-Drehmoment in Abhängigkeit von einer kritischen Betriebstemperatur der Elektromaschine (4) und/oder von zumindest einer der Elektromaschine (4) zugeordneten elektrischen/elektronischen Komponente begrenzt wird. Es ist vorgesehen, dass ein in Abhängigkeit von einem aktuellen Betriebszustand des Kraftfahrzeugs (1) möglicher thermischer Eintrag in die Elektromaschine (4) und/oder die zugeordnete ...

VERFAHREN UND SYSTEM ZUM BETREIBEN EINER KRAFTÜBERTRAGUNG IN EINEM DREHZAHLSTEUERMODUS

Diese Offenbarung stellt Verfahren und ein System zum Betrieben einer Kraftübertragung in einem Drehzahlsteuermodus bereit.Es werden Systeme und Verfahren zum Betreiben einer Kraftübertragung eines Hybridfahrzeugs beschrieben. In einem Beispiel wird ein Drehmoment eines Motors als Reaktion auf einen Fehler zwischen einem Ist-Drehmoment der elektrischen Maschine und einem minimalen Drehmoment der elektrischen Maschine plus einem Versatzdrehmoment eingestellt. Die Reduzierung des Motordrehmoments kann durchgeführt werden, wenn eine Kraftübertragung in einem Drehzahlsteuermodus betrieben wird.

Fahrzeugsteuervorrichtung

Eine Fahrzeugsteuervorrichtung erlaubt eine Operation einer ersten Objekteinrichtung (22A, 40) zum Ausführen einer Basisfunktion, wenn bestimmt wird, dass eine Verbindung zwischen der ersten Objekteinrichtung und einer elektrischen Energieversorgungsquelle (50, 44) normal ist und die erste Objekteinrichtung normal operieren kann. Die Fahrzeugsteuervorrichtung erlaubt zusätzlich zu der Operation der ersten Objekteinrichtung eine Operation einer zweiten Objekteinrichtung (16, 42, 45) zum Ausführen einer erweiterten Funktion, wenn (i) bestimmt wird, dass die Verbindung zwischen der ersten Objekteinrichtung und der elektrische Energieversorgungsquelle normal ist und die erste Objekteinrichtung normal operieren kann, und (ii) bestimmt wird, dass eine Verbindung zwischen der zweiten Objekteinrichtung und der elektrischen Energieversorgungsquelle normal ist und die zweite Objekteinrichtung normal operieren kann.

STEUERUNG MEHRERER ANTRIEBE UNTER VERWENDUNG EINES ODER MEHRERER MIT DEN MEHREREN ANTRIEBEN ASSOZIIERTER PARAMETER

Eine Antriebssteuerung zur Steuerung einer Vielzahl von Antrieben ist offenbart. Die Antriebssteuerung kann: eine Vielzahl von Antrieben identifizieren, die ausgebildet sind, um eine Last mit Leistung zu versorgen, wobei die Vielzahl von Antrieben einen ersten Satz von Prioritäten aufweist, die mit der Leistungsbereitstellung für die Last assoziiert sind; eine Vielzahl von Parametern von einer Vielzahl von Überwachungsvorrichtungen empfangen, die die Vielzahl von Antrieben überwachen; eine Vielzahl von Metriken berechnen, die der Vielzahl von Antrieben entsprechen, basierend auf der Vielzahl von Parametern; basierend auf der Vielzahl von Metriken berechnen, dass eine Umschaltbedingung erfüllt ist, um von dem ersten Satz von Prioritäten zu einem zweiten Satz von Prioritäten für die Vielzahl von Antrieben umzuschalten; den zweiten Satzes von Prioritäten für die Vielzahl von Antrieben basierend auf der Vielzahl von Metriken ermitteln; und Veranlassen, dass die Vielzahl von Antrieben der Last ...

Fault Diagnosis and Fault-tolerant Control of Engine Torque for Power-split Hybrid Vehicle

The reliability of the test method

SYSTEM AND METHOD FOR DETERMINING AND VERIFYING AN ENGAGEMENT CONDITION OF A TRANSMISSION COUPLING SYSTEM FOR A HYBRID DRIVE MOTOR VEHICLE

SYSTEM AND METHOD FOR DETERMINING AND VERIFYING A REPLACING A COUPLING SYSTEM OF A TRANSMISSION FOR A MOTOR VEHICLE WITH HYBRID PROPULSION

METHOD FOR DETECTING COMBUSTION IRREGULARITIES TYPE UNIT OF AN INTERNAL COMBUSTION ENGINE COUPLED TO A PROPULSION UNIT ELECTRIC, A HYBRID AUTOMOBILE

Control unit, in particular for a hybrid vehicle, having an electric drive and an internal combustion engine, and a method for operating a hybrid vehicle

A control unit for a hybrid vehicle is described, having an electric drive, and an internal combustion engine, and a method for operating a control unit, in particular for a hybrid vehicle. The hybrid vehicle has an electric drive, an internal combustion engine, a traction battery, a power electronics system, current consumers, a control unit and an insulation fault detector. The control unit initiates an emergency operating mode when an insulation fault is detected.

Method and system for controlling torque of hybrid vehicle provided with two motors

The present invention controls torque of a hybrid vehicle that calculates power and torque of each motor when the hybrid vehicle provided with two motors operates at a transient state are used. More specifically, target power of a battery is determined. Then calculations are performed to determine target torque of the first motor, target torque of the second motor, target torque of an engine, and target speed of the engine at a steady state. The torque of the first motor at a transient state is calculated from the target torque of the second motor at the steady state and speeds of the first and second motors. Finally, torque of the second motor at the transient state is calculated from the torque of the first motor at the transient state and the speeds of the first and second motors.

Service station maintenance mode for extended range electric vehicles and hybrid vehicle applications

A method of controlling an Extended Range Electric Vehicle (EREV) or a hybrid vehicle that includes an internal combustion engine (ICE) that is capable of automatically starting in response to a pre-defined event includes determining if the vehicle is within a pre-defined distance of a service station, determining if the ICE is running, determining if the vehicle is in an ignition on mode or in an ignition off mode, and automatically starting the ICE when the vehicle is within the pre-defined distance of the service station, the engine is not running and the ignition is in the ignition on mode to notify a service technician that the ICE is in the ignition on mode.

METHOD FOR CONTROLLING A SECONDARY ENERGY STORAGE

A method is provided for controlling a hybrid vehicle in an emergency situation. The hybrid vehicle includes an internal combustion engine, a rechargeable electric energy storage system, and an electrical motor drive system. The method includes detecting a failure of a control unit for controlling the electrical motor drive system, disconnecting the rechargeable electric energy storage system from the hybrid vehicle, limiting the maximum speed of the internal combustion engine from a first RPM value to a second RPM value. An apparatus is also provided for controlling a hybrid vehicle in an emergency situation. 1. A method for controlling a hybrid vehicle in an emergency situation , the hybrid vehicle comprising an internal combustion engine , a rechargeable electric energy storage system , an electrical motor drive system , the method comprising the actions of:detecting a failure of a control unit controlling the electrical motor drive system,disconnecting the rechargeable energy storage system from the hybrid vehicle,limiting the maximum speed of the internal combustion engine from a first RPM value to a second RPM value.2. The method according to claim 1 , wherein the failure is at least one malfunctioning switching device in a AC/DC converter in the control unit controlling the electrical motor drive system.3. The method according to claim 1 , further comprising limiting the minimum speed of the internal combustion engine from a first RPM value to a second RPM value.4. The method according to claim 1 , further comprisingchanging the gear choices of an automated transmission from a first set of gear choices, which is used when the control unit controlling the electrical motor drive system is functioning, to a second set of gear choices for the altered upper and/or lower engine speed of the hybrid vehicle when the control unit controlling the electrical motor drive system is not functioning.5. The method according to claim 3 , further comprising allowing the engine ...

Systems and methods for diagnosing an engine

Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on a combustion torque profile of the engine estimated using signals from a generator operationally connected to the engine and/or other signals associated with the engine. Different types of degradation may be distinguished based on discerning characteristics within the estimated combustion torque profile data. Thus, a degraded engine component may be identified in a manner that reduces service induced delay.

Fail-Safety Control Method for Hybrid Vehicle

Disclosed herein is a fail-safety control method for a hybrid vehicle. The method includes a hybrid control unit which, when commands for demand torque are received from a driver, giving instructions to a motor control unit to generate the demand torque, determining whether or not to a normal torque corresponding to the demand torque is being generated by the motor control unit according to the instructions from the hybrid control unit, and if it is determined that an abnormal torque is being generated by the motor control unit, giving commands to output an interrupt signal to interrupt operation of the motor control unit.

Method for increasing the availability of hybrid vehicles

In a method for increasing the availability of a hybrid drive having an internal combustion engine and an electric motor, the electric motor is operated as a starter of the internal combustion engine as well as a travel drive unit within the hybrid drive, and at least one operating parameter, corresponding to an operating parameter of the at least one electric motor, is ascertained. An error is identified if the at least one operating parameter value does not correspond to an operating parameter standard state, in which case the operation of the electric motor as the travel drive unit is at least partially limited. Lastly, a driving state-dependent error response is carried out depending on the instantaneous operating state of the hybrid drive.

Control device for hybrid vehicle

A control device 60 for controlling a hybrid vehicle 1 including an engine 10, a motor generator 20, and a battery 30 arranged to be charged by and discharge to the motor generator 20, the control device 60 includes an abnormality judging section 410 configured to judge whether or not an abnormality is generated in the engine 10, and an assist prohibition section 420 configured to prohibit the motor generator 20 from being used as a power source when the abnormality is generated in the engine 10.

Abnormality determination device of vehicle and abnormality determination method

Provided is an abnormality determination device of a vehicle including an engine and a first motor that is configured to output a torque to an output shaft of the engine, the abnormality determination device determining an output abnormality of dropping output of the engine in the vehicle. The abnormality determination device has an abnormality determination unit that determines that an output abnormality of the engine has occurred when an actual torque that is estimated, based on a torque of the first motor, as a torque actually output from the engine falls below a lower limit of an allowable range for a target torque to be output from the engine, and when an amount of increase in a rotational speed of the engine is smaller than a threshold value for misdetermination suppression, which is a threshold value that is larger as the target torque is higher.

Method for Operating an Internal Combustion Engine with Assistance from an Electric Machine, and Internal Combustion Engine

A method for operating an internal combustion engine is disclosed, in which method test injections are carried out in order to adapt, during the operation of the internal combustion engine, the injection parameters used for the control of the injection processes. For this purpose, during the test injections, an electric machine which is coupled to the internal combustion engine generates negative torque impulses in a manner synchronized with the positive torque impulses generated by the test injections, which negative torque impulses counteract the torque impulses generated by the test injections. In this way, rotational speed oscillations generated by the test injections are eliminated. Also described is an internal combustion engine of said type.

Device and method for controlling power according to a load of a hybrid excavator

A power control apparatus and method according to a load of a hybrid excavator including an H-ECU is disclosed. If a difference between an actual power value actually used in a load (SW PEC and ISAM PEC) or in an ESS and a power value required for an actual use in the load is equal to or larger than a set error value, a power that is supplied from the ESS to the PECs and a power that is supplied between the PECs are controlled to be cut off, and thus high voltage is prevented from being continuously supplied to circuits to thereby prevent secondary problems (e.g., fire, trouble of equipment, and the like) from occurring due to the high voltage.

METHODS AND SYSTEMS FOR A HYBRID VEHICLE

Systems and methods for learning torque estimate errors and updating torque estimation models are presented. In one example, torque errors are learned during an engine shut-down, after a disconnect clutch coupled between an engine and an electric machine has been released. An updated torque estimation model is then used to control torque during subsequent engine operation to improve drive feel and vehicle performance. 1. A method for a hybrid vehicle , comprising:during selected engine shut-down conditions,releasing a disconnect clutch coupled between an engine and an electric machine in a vehicle driveline; andafter disconnect clutch release, estimating torque errors based on deviations of an actual engine speed profile from a commanded engine speed profile at each of a plurality of engine speed set-points.2. The method of claim 1 , wherein the plurality of engine speed set-points are selected based on an engine torque error history.3. The method of claim 2 , wherein a number of engine speed set-points are selected based on a desired duration to engine rest during the engine shut-down conditions claim 2 , the number of engine speed set-points increased as the desired duration to engine rest increases.4. The method of claim 2 , wherein a larger number of engine speed set-points are selected during engine shut-down conditions when the engine is coasting to rest claim 2 , and a smaller number of engine speed set-points are selected when the engine is substantially immediately stopped.5. The method of claim 1 , further comprising claim 1 , not estimating the torque errors if a fuel level in a vehicle fuel tank is lower than a threshold.6. The method of claim 1 , further comprising claim 1 , in response to a driver change of mind restart request received during the estimating claim 1 , discontinuing the estimating of torque errors claim 1 , and expediting spinning down of the engine to rest.7. The method of claim 1 , wherein the electric machine is a crankshaft ...

VEHICLE AND METHOD OF CONTROLLING VEHICLE

A vehicle includes an engine, a power storage device, a motor generator using electric power from the power storage device for generating driving force, and an ECU. The vehicle is capable of running with the operation mode selectively switched between the CS mode in which the vehicle runs utilizing the driving force from the engine and the motor generator, and the CD mode in which the vehicle runs preferentially utilizing the driving force from the motor generator in the state where the engine is stopped. When the OBD is performed for detecting a malfunction in the engine in the state where the CD mode is selected, the ECU keeps the operation mode being temporarily switched from the CD mode to the CS mode until the OBD is completed. 1. A vehicle comprising:an internal combustion engine;a power storage device;a rotating electric machine for generating driving force using electric power from said power storage device; anda control device for detecting a malfunction in said internal combustion engine,said vehicle having, as an operation mode, a first mode in which the vehicle runs utilizing at least the driving force from said rotating electric machine among an output of said internal combustion engine and the driving force from said rotating electric machine, and a second mode in which the vehicle runs preferentially utilizing the driving force from said rotating electric machine in a state where said internal combustion engine is stopped, and said internal combustion engine is less frequently driven as compared with said first mode, said vehicle being capable of running with said operation mode selectively switched, andwhen a malfunction detection process for said internal combustion engine is performed in a case where said second mode is selected, said control device allowing said internal combustion engine to be more frequently driven as compared with a case where said malfunction detection process is not performed.2. The vehicle according to claim 1 , wherein ...

Method and apparatus for operating a multi-mode transmission system under dynamic conditions

A method for controlling a multi-mode transmission system employing torque machines under dynamic operating conditions includes calculating a phase shift between a control parameter of one of the torque machines and a response parameter of the multi-mode transmission system under dynamic operating conditions, comparing the calculated phase shift and an expected phase shift, and executing remedial action when the calculated phase shift exceeds a threshold associated with the expected phase shift.

Diagnostic system and method for processing continuous and intermittent faults

A method for diagnosing a device of a vehicle, includes: generating samples of a parameter of the device; indicating whether each of the samples passed or failed based on comparisons of the samples with one of a predetermined value and a predetermined range; tracking a first number of consecutive samples compared, a second number of the first number of samples that failed, a third number of the first number of samples that failed consecutively, and a fourth number of a last predetermined number of samples compared that failed; selecting one of a normal control mode, a temporary default action mode and a permanent default action mode based on the first, second, third, and fourth numbers; and selectively setting a diagnostic trouble code (DTC) in memory when in the permanent default action mode.

Method and system for engine control

Methods are provided for holding an engine steady during a drive cycle to complete one or more diagnostic routines. The engine may be held steady while an operator torque demand varies if a sufficient number of diagnostic routines need to be completed and are enabled for completion. By holding the engine steady, an accuracy and completion of the diagnostic routines is improved.

VEHICLE ELECTRIC MACHINE CONTROL STRATEGY

A vehicle includes at least one electric machine and an inverter for selectively transmitting power to the electric machine. The inverter includes a power module. At least one controller controls the electric machine and the inverter. The controller at least temporarily disables the inverter during a power cycle such that power to the electric machine is inhibited. In response to the disabling of the inverter, the controller resets the duty cycle commands for the power module, and re-enables the inverter during the same power cycle. 1. A vehicle comprising:an electric machine; andat least one controller configured to, in response to a disabling of the electric machine during a drive cycle, (i) reset duty cycle commands for the electric machine and (ii) re-enable the electric machine during the drive cycle within a predefined time period from the disabling of the electric machine.2. The vehicle of claim 1 , wherein the at least one controller is further configured to claim 1 , in response to the electric machine being disabled for a time period greater than the predefined time period claim 1 , inhibit the electric machine from being re-enabled during the drive cycle.3. The vehicle of further comprising another electric machine claim 2 , wherein the at least one controller is further configured to increase a power to the another electric machine in response to the disabling of the electric machine.4. The vehicle of further comprising an engine claim 2 , wherein the at least one controller is further configured to start the engine in response to the electric machine being disabled for a time period greater than the predefined time period.5. The vehicle of claim 1 , wherein the predefined time period is approximately 1 second.6. A method of controlling an electric machine in a vehicle comprising:disabling the electric machine during a drive cycle of the vehicle in response to detecting a presence of a fault condition associated with the electric machine; andre-enabling ...

METHOD FOR OPERATING A HYBRID VEHICLE

A method for operating a hybrid vehicle having an internal combustion engine and an electric machine, wherein the hybrid vehicle can be driven purely electrically if the internal combustion engine fails because, for example, a fuel tank for supplying the internal combustion engine with fuel is empty. In the event of failure of the internal combustion engine, continued purely electric travel of the hybrid vehicle is made possible only on condition that a restart of the hybrid vehicle is initiated. 1. A method for operating a hybrid vehicle having an internal combustion engine and an electric machine , wherein the hybrid vehicle can be driven purely electrically if the internal combustion engine fails , wherein in the event of failure of the internal combustion engine , continued purely electric travel of the hybrid vehicle is made possible only on condition that a restart of the hybrid vehicle is initiated.2. The method as claimed in claim 1 , wherein the continued purely electric travel of the hybrid vehicle is made possible only on condition that the restart is initiated when the hybrid vehicle is stationary.3. The method as claimed in claim 1 , wherein the continued purely electric travel of the hybrid vehicle is made possibly only on condition that an ignition system of the internal combustion engine is first switched off and subsequently switched on again.4. The method as claimed in claim 1 , wherein the continued purely electric travel of the hybrid vehicle is made possible only on condition that a display element is actively requested.5. The method as claimed in claim 1 , wherein the continued purely electric travel of the hybrid vehicle is made possible only on condition that the failure of the internal combustion engine is due to an empty fuel tank.6. The method as claimed in claim 1 , wherein the continued purely electric travel of the hybrid vehicle is made possible only on condition that an electric energy storage device for supplying the electric machine ...

COLLISION DETECTION DEVICE FOR VEHICLE

A collision detection device for a vehicle detects a collision to the vehicle from any direction. Smoothing capacitors () and an inverter are housed within a case (). Electrode bus bars () are connected to the positive electrode plates and negative electrode plates of the smoothing capacitors (). The smoothing capacitors () are caused to protrude toward the inner surface of the case () from the periphery of the smoothing capacitors (), and the ends of the electrode bus bars () are caused to face the inner surface of the case (). The occurrence of a collision is detected by detecting the short-circuiting or grounding of the electrode bus bars (). 1. A collision detection device for a vehicle , the device comprising:a capacitor;a case which contains the capacitor;electrode bus bars which are connected to electrode plates of the capacitor and protrude from a periphery of the capacitor to face an inner surface of the case; anda control unit which detects a voltage change in the electrode bus bars, thereby detecting a collision.2. The collision detection device for the vehicle according to claim 1 , wherein the electrode bus bars are connected to at least one of a positive plate and a negative plate of the capacitor.3. The collision detection device for the vehicle according to claim 1 , further comprising a metal frame which is contained in the case and surrounds the periphery of the capacitor claim 1 , wherein the electrode bus bars face the inner surface of the case with the metal frame therebetween.4. The collision detection device for the vehicle according to claim 1 , wherein the electrode bus bars face the inner surface of the case on the same plane as a flange formed on the case.5. The collision detection device for the vehicle according to claim 1 , further comprising a voltage detection line which supplies terminal voltage of the capacitor to the control unit claim 1 , wherein the voltage detection line supplies voltage of the electrode bus bars to the control ...

ENGINE FRICTION MONITOR

An engine friction monitor uses commanded torque and measured torque to provide a prognostic feature to identify failure modes of an engine that causes the engine from delivering the commanded torque. 1. A method , comprising:determining a commanded torque and a measured torque of an engine;determining a torque error in response to a differential between the commanded torque and the measured torque, and determining a slope error in response to a differential between a rate of change of the commanded torque and a rate of change of the measured torque;defining a baseline error space based on a learned torque error and a learned slope error and establishing a baseline threshold boundary within the baseline error space based on a monitoring confidence level, the baseline threshold boundary dividing the baseline error space into a first torque area below the baseline threshold boundary and a second torque area above the baseline threshold boundary; andclassifying torque data from the engine in the first torque area and the second torque area based on the torque error and the slope error, wherein the torque data classified in the second torque area is indicative of an engine friction condition.2. The method of claim 1 , further comprising predicting a failure of the engine based on the classified torque data.3. The method of claim 2 , further comprising derating the engine in response to the failure prediction.4. The method of claim 1 , wherein classifying the torque data includes placing the torque data in the second torque area in one of a plurality of classification point buckets based on a magnitude of the torque error in the second torque area relative to the baseline threshold boundary.5. The method of claim 4 , wherein the plurality of classification point buckets represent escalating indicators for a failure prediction of the engine.6. The method of claim 1 , wherein defining the baseline error space includes learning a nominal error space having a nominal ...

METHOD AND SYSTEM FOR CONTROLLING HYBRID ELECTRIC VEHICLE

A system for controlling a hybrid electric vehicle includes a control unit for determining whether or not an Oil Pump Unit (OPU) and an Electric Oil Pressure (EOP) temperature sensor are normally operated; a phase current density comparison unit for comparing the mean density of phase currents acquired after shifting the gears of the vehicle with the density of coil phase currents which flow through a coil at a maximum permissible temperature at which the coil is not burning; and a torque control unit for controlling the value of torque to be applied to a transmission according to a result acquired by the phase current density comparison unit. 1. A method for controlling a hybrid electric vehicle , comprising:determining whether or not an Electric Oil Pump (EOP) temperature sensor is normally operated when an Oil Pump Unit (OPU) is normally operated;comparing a mean density of phase currents acquired after shifting gears of the vehicle with a density of coil phase currents which flow through a coil at a maximum permissible temperature at which the coil is not burning; andcontrolling a value of torque to be applied to a transmission according to a result of comparing the mean density of phase currents with the density of coil phase currents.2. The method of claim 1 , wherein the step of controlling the value of torque comprises applying an unrestricted amount of torque to the transmission when the mean density of phase currents acquired after shifting the gears of the vehicle is less than the density of coil phase currents.3. The method of claim 1 , wherein the step of controlling the value of torque comprises applying an unrestricted amount of torque to the transmission for a set permissible time period when the mean density of phase currents acquired after shifting the gears of the vehicle is greater than the density of coil phase currents.4. The method of claim 3 , wherein the permissible time period is a time period taken to reach the maximum permissible ...

CONTROL SYSTEM AND CONTROL METHOD OF HYBRID ELECTRIC VEHICLE

A control system for a hybrid electric vehicle comprises a transmission system configured to drive wheels, an engine power subsystem connected to the transmission system, a motor power subsystem connected to the transmission system and a control module. When vehicle's electrical power is on, the control module is configured to control operating mode of the hybrid electric vehicle through the engine power subsystem and the motor power subsystem. The operating mode comprises HEV-eco mode and HEV-s mode. When the hybrid electric vehicle operates in HEV-eco and the hybrid electric vehicle operates at low power or when the hybrid electric vehicle operates in HEV-s mode and when the vehicle speed is zero, the control module enables the hybrid electric vehicle to operate by idle start-stop strategy. 1. A control system for a hybrid electric vehicle , comprising:a transmission system configured to drive wheels of the hybrid electric vehicle;an engine power subsystem connected to the transmission system;a motor power subsystem connected to the transmission system; anda control module,wherein when electrical power of the vehicle is on, the control module is configured to control the hybrid electric vehicle to operate in corresponding operating modes by controlling the engine power subsystem and the motor power subsystem, wherein the operating mode comprises HEV-eco mode and HEV-s mode, wherein when the hybrid electric vehicle operates in HEV-eco and the hybrid electric vehicle operates at low power, or when the hybrid electric vehicle operates in HEV-s mode, when the vehicle speed is zero, the control module is further configured to control the hybrid electric vehicle to operate by idle start-stop strategy.2. The control system according to claim 1 , wherein when the hybrid electric vehicle operates in the HEV-eco mode claim 1 , under the conditions that slope is below a lower limit of slope claim 1 , electric quantity of a power battery is below a lower limit of the electric ...

VEHICLE AND METHOD FOR CONTROLLING THE SAME

A vehicle is provided that includes a motor connected to vehicle wheels and configured to generate electrical power. A first rotational speed detector detects rotational speed of the motor and an engine generates mechanical power. A second rotational speed detector detects rotational speed of the engine. A clutch is disposed between the engine and the motor to open and close the connection between the engine and the motor. A controller diagnoses a failure of the clutch and outputs an instruction to open the clutch and an instruction to turn off the engine when the clutch has a failure. The controller determines whether the clutch is successfully opened based on the detected rotational speed of the motor and the detected rotational speed of the engine, executes a series driving mode when that the clutch is successfully opened and speed limit driving when that the clutch has failed to be opened. 1. A vehicle , comprising:a motor connected to vehicle wheels and configured to generate electrical power;a first rotational speed detector configured to detect rotational speed of the motor;an engine configured to generate mechanical power;a second rotational speed detector configured to detect rotational speed of the engine;a clutch disposed between the engine and the motor to open and close the connection between the engine and the motor; anda controller configured to diagnose a failure of the clutch, output an instruction to open the clutch and an instruction to turn off the engine when the clutch has a failure, determine whether the clutch is successfully opened based on the detected rotational speed of the motor and the detected rotational speed of the engine, execute a series driving mode in response to determining that the clutch is successfully opened, and execute speed limit driving in response to determining that the clutch has failed to be opened.2. The vehicle of claim 1 , wherein the controller is configured to determine that the clutch is successfully opened ...

EVAPORATIVE EMISSIONS DIAGNOSTIC DURING EXTENDED IDLE STATE

Methods and systems are provided for reducing release of undesired evaporative emissions to atmosphere for a hybrid vehicle. In one example, a method comprises locking a transmission of the vehicle in park until a request to override the locking is received at a controller of the vehicle, and conducting one or more routines related to reducing release of undesired evaporative emissions to atmosphere, where the one or more diagnostic routines rely on a vacuum derived from an engine of the vehicle combusting air and fuel while the transmission is locked in park. In this way, completion rates for conducting the one or more routines may be improved, and issues related to the release of undesired evaporative emissions to atmosphere may be reduced or avoided. 1. A method comprising:locking a transmission of a vehicle in park until a request to override the locking of the transmission in park is received at a controller of the vehicle; andconducting a diagnostic routine that relies on a vacuum derived from an engine combusting air and fuel while the transmission is locked in park.2. The method of claim 1 , wherein the locking of the transmission in park is in response to a request to power an onboard power box for supplying power to one or more devices internal or external to the vehicle via energy derived from the engine combusting air and fuel; andwherein locking the transmission in park prevents the vehicle from being moved until the request to override the locking the transmission in park is received at the controller.3. The method of claim 1 , further comprising conducting the diagnostic routine in response to an indication that the request to override the locking of the transmission in park will not be received by the controller prior to the diagnostic routine being completed.4. The method of claim 3 , wherein the indication is based on data related to a learned duration that the transmission is expected to be locked in park prior to the request to override the ...

CONTROL DEVICE FOR VEHICLE

A control device of a vehicle including an engine, an electric motor directly or indirectly coupled to the engine, and an engagement device non-rotatably fixing the engine, the vehicle further including an electric circuit controlling giving/receiving of electric power related to operation of the electric motor and having an electric storage member temporarily storing the electric power, if the vehicle is damaged, or if a damage of the vehicle is predicted, during rotating operation of the engine, a rotation speed of the engine being reduced by an engagement actuation of the engagement device, and after the rotation speed of the engine is reduced to be equal to or less than a predetermined rotation speed, electric power stored in the electric storage member being discharged by the electric circuit and the electric motor. 14-. (canceled)5. A control device of a vehicle including an engine , an electric motor directly or indirectly coupled to the engine , and an engagement device non-rotatably fixing the engine ,the vehicle further including an electric circuit controlling giving/receiving of electric power related to operation of the electric motor and having an electric storage member temporarily storing the electric power,if the vehicle is damaged, or if a damage of the vehicle is predicted, during rotating operation of the engine, a rotation speed of the engine being reduced by an engagement actuation of the engagement device, andafter the rotation speed of the engine is reduced to be equal to or less than a predetermined rotation speed, electric power stored in the electric storage member being discharged by the electric circuit and the electric motor.6. The control device of a vehicle of claim 5 , whereinafter the engine is non-rotatably fixed by engagement of the engagement device, the electric power stored in the electric storage member is discharged.7. The control device of a vehicle of claim 5 , whereinthe vehicle further includes an automatic transmission ...

VEHICLE CONTROL APPARATUS

In a host controller included in a vehicle control apparatus, a generator-torque-command generating unit monitors an abnormal operation of the engine on the basis of an engine power generation command and a detection signal of a rotating speed detector, switches, when the abnormal operation of the engine is detected, a generator torque command to the lowest value of a torque command value for abnormal time set in advance as the generator torque command, thereafter, gradually increases the generator torque command, and, after recording, as a torque limit value, the magnitude of the generator torque command (a torque command value for abnormal time 3) at the time when the abnormal operation of the engine is detected again, switches the generator torque command to a torque command value for abnormal time (a torque command value for abnormal time 2) having a value smaller than the torque limit value. 1. A vehicle control apparatus applied to a vehicle driving system including an engine , an engine controller that controls operation of the engine , a generator coupled to the engine , a converter that converts alternating-current power output by the generator into desired direct-current power , a load apparatus receives supply of the direct-current power from the converter and operate , and a rotating-speed detector that detects rotating speed of the generator , the vehicle control apparatus being configured to be capable of controlling operations of the engine controller and the converter , whereina host controller that collectively controls the engine controller and the converter is provided, an engine-power-generation-command generating unit that generate an engine power generation command for causing the engine to operate and driving the generator, and outputs the engine power generation command to the engine controller; and', 'a generator-torque-command generating unit that receives notch information in a plurality of stages included in the engine power generation ...

AUTOMOBILE INCLUDING MOTOR FOR RUNNING THE AUTOMOBILE

When there is an abnormality in communications between a motor ECU and an HVECU in an automobile, the motor ECU controls a motor such that creep torque or a given torque larger than the creep torque is delivered from the motor. Thus, when there is an abnormality in communications between the HVECU and the motor ECU, the automobile is able to run in a limp home mode. 16-. (canceled)7. An automobile comprising:a motor configured to run the automobile,a battery configured to deliver and receive electric power to and from the motor;a main controller configured to set a first torque command of the motor according to an accelerator operation amount of the automobile; and (i) communicate with the main controller,', '(ii) receive the first torque command from the main controller,', '(iii) control the motor so as to drive the motor according to the first torque command received,', 'when there is an abnormality in communications between the motor controller and the main controller, the motor controller being configured to:', '(iv) control the motor so as to drive the motor according to a second torque command, when the accelerator operation amount is smaller than a first threshold value, and', '(v) control the motor so as to drive the motor according to a third torque command that is larger than the second torque command, when the accelerator operation amount is equal to or larger than the first threshold value., 'a motor controller configured to8. The automobile according to claim 7 , further comprising:an engine;a generator configured to (i) deliver and receive power, and (ii) deliver and receive electric power to and from the battery; anda planetary gear unit including three rotating elements connected to a rotary shaft of the generator, an output shaft of the engine, and a drive shaft coupled to an axle, the three rotating elements being arranged in the order of the rotary shaft, the output shaft, and the drive shaft in a nomographic chart, whereinthe motor is configured ...

HYBRID DRIVETRAIN FOR A HYBRID-DRIVEN VEHICLE AND METHOD FOR SAME

A hybrid drivetrain for a hybrid-driven vehicle, having an internal combustion engine which outputs to vehicle wheels via a load path, in which a dual-mass flywheel is connected, which has flywheel masses elastically coupled via spring assemblies, and at least one electric machine, which can be coupled with respect to drive into the load path via an automatic transmission, wherein a drive torque (MBKM) from the internal combustion engine and a drive torque (MEM) from the electric machine can be added together with power addition in the automatic transmission to form a total drive torque, using which the vehicle wheels are drivable, and wherein an electronic control unit, on the basis of driving mode parameters and/or a driver intention, controls and engine controller of the internal combustion engine and/or power electronics of the electric machine using target torque specifications. 15-. (canceled)6. A hybrid drivetrain for a hybrid-driven vehicle , comprising:an internal combustion engine which outputs to vehicle wheels via a load path, in which a dual-mass flywheel is connected, which has flywheel masses elastically coupled via spring assemblies, and at least one electric machine, which can be coupled with respect to drive into the load path via an automatic transmission, wherein a drive torque from the internal combustion engine and a drive torque from the electric machine can be added together with power addition in the automatic transmission to form a total drive torque, by which the vehicle wheels are drivable, and wherein an electronic control unit, on the basis of driving mode parameters and/or a driver intention, activates an engine controller of the internal combustion engine and/or power electronics of the electric machine using target torque specifications, and wherein the drivetrain has an evaluation unit, which recognizes the presence of a DMF jam causing increased rotational irregularity, in which the spring assemblies of the dual-mass flywheel are ...

Method for increasing the availability of a hybrid separting clutch in a hybrid drive train of a motor vehicle

The invention relates to a method for increasing the availability of a hybrid separating clutch in a hybrid drive train of a motor vehicle, wherein the hybrid separating clutch is disposed between an internal combustion engine and an electric traction drive. In the method where even in the event of a fault the motor vehicle continues to be driven, the hybrid separating clutch is controlled by a hydrostatic actuator, and when a malfunction of the hydrostatic actuator is detected, for actuation of the hybrid separating clutch which is engaged in the non-actuated state, the last state of the hydrostatic actuator detected by a control mechanism is used for estimation of a minimum clutch torque which can be transmitted.

Torque error detection and torque estimation system

A vehicle may include a powertrain having an engine and a generator coupled to a driveshaft, an inverter configured to provide phase currents to the generator, and a controller programmed to output a fault condition based on first and second generator torques, the first generator torque being based on an engine torque and the second generator torque being based on no more than two phase currents of the generator.

VEHICLE CONTROL METHOD AND VEHICLE CONTROL DEVICE

A vehicle control device controls a vehicle including a drive motor connected to a rotation shaft of wheels, a battery that supplies electricity to the drive motor, and an internal combustion engine connected to the drive motor. The vehicle is equipped with, as traveling modes, a normal mode, and an eco-mode having a larger regenerative braking force than the normal mode obtained such that rotational energy of the wheels is converted into electrical energy. A controller stops the internal combustion engine and switches from the normal mode to the eco-mode when detecting at least an abnormality in the internal combustion engine during traveling of the vehicle. 16.-. (canceled)7. A vehicle control method of controlling a vehicle including a drive motor connected to a rotation shaft of wheels , a battery that supplies electricity to the drive motor , and an internal combustion engine connected to the drive motor ,the vehicle being equipped with, as traveling modes, a normal mode, and an eco-mode having a larger regenerative braking force than the normal mode obtained such that rotational energy of the wheels is converted into electrical energy,the method comprising stopping the internal combustion engine and switching from the normal mode to the eco-mode when detecting at least an abnormality in the internal combustion engine during traveling of the vehicle,wherein a responsiveness of a drive force of the drive motor is set to be slower for the eco-mode than for the normal mode.8. A vehicle control method of controlling a vehicle including a drive motor connected to a rotation shaft of wheels , a battery that supplies electricity to the drive motor , and an internal combustion engine connected to the drive motor , the method comprisingwhen detecting at least an abnormality in the internal combustion engine during traveling of the vehicle, stopping the internal combustion engine and increasing a regenerative braking force obtained such that rotational energy of the ...

LEAK DETECTION BASED ON FUEL LEVEL

Methods and systems for fuel system leak detection are disclosed. In one example approach, a method comprises, during an engine-on condition, delivering fuel from a fuel tank to one or more cylinders of the engine while the fuel tank is sealed off from atmosphere, and indicating a leak based on pressure in the fuel tank. For example, a leak may be indicated in response to a pressure decrease in the fuel tank greater than an expected pressure decrease, where the expected pressure decrease is based on a fuel level in the fuel tank. 1. A method for a vehicle with an engine , comprising:during an engine-on condition, delivering fuel from a fuel tank to one or more cylinders of the engine while the fuel tank is sealed off from atmosphere; andindicating a leak based on pressure in the fuel tank.2. The method of claim 1 , further comprising indicating a leak in response to a pressure decrease in the fuel tank greater than an expected pressure decrease claim 1 , where the expected pressure decrease is based on a fuel level in the fuel tank.3. The method of claim 2 , wherein the expected pressure decrease is further based on a temperature in the fuel tank claim 2 , and wherein the delivering of fuel includes delivering fuel to all engine cylinders at a fuel flow rate above a non-zero upper threshold.4. The method of claim 3 , wherein the expected pressure decrease is further based on an ambient temperature.5. The method of claim 2 , wherein the expected pressure decrease is obtained from a lookup table based on a temperature in the fuel tank and fuel level in the fuel tank.6. The method of claim 1 , further comprising indicating a leak based on a rate of pressure decrease in the fuel tank greater than a threshold rate of pressure decrease.7. The method of claim 6 , wherein the threshold rate of pressure decrease is based on a fuel level in the fuel tank and a temperature in the fuel tank.8. The method of claim 1 , further comprising determining a size of the leak based on a ...

Electric vehicle motor torque safety monitor

A safety system for an electric motor controller is provided. The safety system includes a torque safety monitor having a first processor distinct from a second processor of a main motor controller. The first processor is configured to one of decrease or shut down AC (alternating current) power, sent from a DC/AC (direct current to alternating current) inverter to an electric motor, in response to an estimated torque of the electric motor differing from a commanded torque associated with the main motor controller by more than a set amount.

METHOD AND SYSTEM FOR CONTROLLING HYBRID VEHICLE

A method and system for controlling a hybrid vehicle are provided to supply oil pressure to a transmission using an electric oil pump. The method for controlling a hybrid vehicle including an engine, a driving motor, and an engine clutch connecting between the engine and the driving motor includes: detecting a failure of high voltage components for the hybrid vehicle including an air conditioner, a heater, and a low voltage DC-DC converter (LDC). In response to determining a failure of at least one of the high voltage components an operation of the high voltage components in a normal state are turned off. The electric oil pump is operated with a counter electromotive force generated from the driving motor by operating the driving motor with power of the engine while a speed (RPM) of the engine is maintained at a predetermined minimum demand speed or greater. 1. A method for controlling a hybrid vehicle including an engine , a driving motor , and an engine clutch that connects the engine and the driving motor , comprising:detecting, by a controller, a failure of high voltage components for the hybrid vehicle including an air conditioner, a heater, and a low voltage DC-DC converter (LDC);turning off, by the controller, an operation of the high voltage components in a normal state other than an electric oil pump (EOP) in response to determining a failure of at least one of the high voltage components; andoperating, by the controller, the electric oil pump with a counter electromotive force generated from the driving motor by operating the driving motor with power of the engine while a speed (RPM) of the engine is maintained at a predetermined minimum demand speed or greater.2. The method of claim 1 , further comprising:determining, by the controller, whether the speed of the engine is equal to or greater than the minimum demand speed; andturning off, by the controller, a main relay configured to provide power of a high voltage battery of the hybrid electric vehicle to ...

Electrically-powered vehicle

A hybrid vehicle illustrated as a representative example of an electrically-powered vehicle includes a chargeable/dischargeable power storage device, a motor configured to generate a vehicle drive force by receiving supply of power from the power storage device, an internal combustion engine as a drive force source, and a generator configured to generate charging power for the power storage device by power generation using an output of the internal combustion engine. If the generator cannot be operated normally, the control unit causes the electrically-powered vehicle to perform limp-home mode traveling by traveling using only the motor. During the limp-home mode traveling, the control device calculates a remaining travelable distance in the limp-home mode traveling, based on at least a remaining capacity of the power storage device and a vehicle speed.

BATTERY SYSTEM

A hybrid vehicle battery system that comprises a plurality of cells that are electrically coupled to an electric motor of the vehicle is provided, the electric motor being mechanically coupled to a drive system of the vehicle. The battery system is configured to: determine a voltage requirement of the battery system at least partially based on a current operating mode or an anticipated operating mode; and adjust the configuration of the cells in order to increase or decrease the voltage of the battery system according to the requirement. A method of operating a hybrid vehicle is also provided. 1. A hybrid vehicle system , comprising:a hybrid vehicle including an internal combustion engine and an electric motor mechanically coupled to a drive system of the hybrid vehicle;a battery system comprising a plurality of cells, wherein the plurality of cells of the battery system are electrically coupled to the electric motor of the hybrid vehicle, the battery system further comprising one or more additional cells, selectively electrically couplable to the electric motor; and operating the hybrid vehicle in a first operating mode, in which the battery system cells provide power to the drive system;', 'operating the hybrid vehicle in a second operating mode, in which the battery system cells receive power from the drive system;', 'determining a state of charge of one or more cells of the battery system and a temperature of the battery system; and', 'responsive to the state of charge of the one or more cells of the battery system being below a threshold value or a temperature of the battery system being below a threshold value,', 'electrically connecting the battery system cells and the additional cells together so as to increase the voltage of the battery system; and', 'permitting a stop-start operation of the internal combustion engine of the hybrid vehicle., 'a controller configured with computer readable instructions stored on non-transitory memory for2. The system of ...

FAILURE DIAGNOSIS APPARATUS OF HYBRID VEHICLE

A failure diagnosis apparatus comprises a controller that is configured to execute a failure diagnosis process of the internal combustion engine based on a predetermined diagnosis requirement. The diagnosis requirement in a case where engine-operation-electric-power supply is executed is made different from the diagnosis requirement in a case where engine-normal-operation is executed such that a failure of the internal combustion engine in the case where the engine-operation-electric-power supply is executed is less likely to be detected or the failure of the internal combustion engine is less likely to be recognized by a driver than in the case where the engine-normal operation is executed. 1. A failure diagnosis apparatus of a hybrid vehicle including an internal combustion engine , a rotary electric machine that generates electric power by using power of the internal combustion engine , an electric power storage device , and an electric power supply device that supplies the electric power generated by the rotary electric machine and electric power stored in the electric power storage device to power receiving equipment outside the vehicle ,the failure diagnosis apparatus comprising:a controller that is configured to execute a failure diagnosis process of the internal combustion engine based on a predetermined diagnosis requirement, whereinthe diagnosis requirement in a case where engine-operation-electric-power supply in which the internal combustion engine is operated to cause the rotary electric machine to generate electric power and the generated electric power is supplied to the power receiving equipment via the electric power supply device is executed is made different from the diagnosis requirement in a case where engine-normal-operation in which the internal combustion engine is operated but the rotary electric machine does not generate the electric power to be supplied to the power receiving equipment is executed such that a failure of the internal ...

HYBRID ELECTRIC VEHICLE AND METHOD OF CONTROLLING THE SAME

A hybrid electric vehicle capable of starting an engine in the event of failure of a DC-DC converter and a method of controlling the hybrid electric vehicle are provided. The hybrid electric vehicle includes a driving motor, an engine, and a first relay that starts a starter. A second relay is disposed between a first power line, connected the starter and a first battery, and second power line, connects a DC-DC converter that converts the power of a second battery and an electric load. A controller selectively adjusts the states of the first relay and the second relay. Upon determining starting of the engine and detecting failure of the DC-DC converter, the controller maintains the on state of the second relay and turns on the first relay to perform cranking of the engine. 1. A hybrid electric vehicle equipped with a driving motor and an engine , comprising:a first relay configured to control starting of a starter;a second relay disposed between a first power line, connecting the starter and a first battery, and a second power line, connecting a direct current-direct current (DC-DC) converter configured to convert power of a second battery and an electric load; anda controller configured to selectively control states of the first relay and the second relay,wherein, in response to determining starting of the engine and detecting a failure of the DC-DC converter, the controller is configured to maintain an on state of the second relay and turn on the first relay to perform cranking of the engine.2. The hybrid electric vehicle according to claim 1 , wherein claim 1 , when the engine is started claim 1 , the controller is configured to turn off the first relay.3. The hybrid electric vehicle according to claim 1 , wherein claim 1 , when a failure of the DC-DC converter is not detected claim 1 , the controller is configured to turn off the second relay and turn on the first relay to perform cranking of the engine claim 1 , andwherein, when the engine is started, the ...

VEHICLE

A vehicle includes a first rotary electric machine, a second rotary electric machine, and a control circuit. When the control circuit determines that a failure has occurred in the first rotary electric machine, the control circuit places the first rotary electric machine and a first transmission path as a power transmission path of the vehicle in the disconnection state, and places the second rotary electric machine and the first transmission path in the connection state. Further, when the control circuit determines that a failure has occurred in the second rotary electric machine, the control circuit places the first rotary electric machine and a first transmission path in the connection state, and place the second rotary electric machine and the first transmission path in the disconnection state. 1. A vehicle comprising:an internal combustion engine;a first transmission path configured to transmit power generated by the internal combustion engine to wheels;a first switching device disposed in the first transmission path, and configured to performing switching of the internal combustion engine and the wheels between a connection state and a disconnection state;a first rotary electric machine;a first branch point provided in the first transmission path, more on a side of the internal combustion engine than the first switching device is;a second transmission path configured to connect the first branch point and the first rotary electric machine;a second switching device disposed in the second transmission path, and configured to perform switching of the first transmission path and the first rotary electric machine between a connection state and a disconnection state;a second rotary electric machine;a second branch point provided in the first transmission path, more on a side of the wheels than the first switching device is;a third transmission path configured to connect the second branch point and the second rotary electric machine;a third switching device disposed ...

Drivetrain

The present invention relates to a drivetrain of a motor vehicle, having an internal combustion engine, having an electric machine, having a transmission unit, in particular a manual transmission, and having a clutch unit. The clutch unit comprises a first clutch actuable by a driver of the motor vehicle and a second clutch automatically actuable by a control unit. The electric machine can be coupled in terms of drive to the transmission unit by means of the first clutch and the internal combustion engine can be coupled in terms of drive to the electric machine by means of the second clutch.

Electrically Powered Vehicle

A hybrid vehicle includes a differential portion including a motor generator, an electric power storage device exchanging electric power with the motor generator included in the differential portion, a gear type transmission provided in a powertrain between a rotation shaft of the motor generator and a drive wheel, and a control device controlling torque of the motor generator during gear shifting in the transmission. A restriction value for a rate of change in torque of the motor generator while a temperature of the electric power storage device is low is smaller than the restriction value while the temperature of the electric power storage device is high. 1. An electrically powered vehicle , comprising:a motor;an electric power storage device exchanging electric power with said motor;a gear type transmission provided in a powertrain between a rotation shaft of said motor and a drive wheel; anda control device configured to control torque of said motor during gear shifting in said transmission,a restriction value for a rate of change in said torque while a temperature of said electric power storage device is low being smaller than a restriction value for said rate of change while the temperature is high.2. An electrically powered vehicle , comprising:a motor;an electric power storage device exchanging electric power with said motor;a gear type transmission provided in a powertrain between a rotation shaft of said motor and a drive wheel; anda control device configured to control torque of said motor during gear shifting in said transmission,a restriction value for a rate of change in said torque in a latter half of gear shifting in said transmission being greater than a restriction value for said rate of change in a first half of the gear shifting.3. An electrically powered vehicle , comprising:a motor;an electric power storage device exchanging electric power with said motor;a gear type transmission provided in a powertrain between a rotation shaft of said motor ...

Reconfigurable system with minimum mobility mode

A method includes detecting a fault of a component of a vehicle. The method also includes providing a plurality of modes of operation for the vehicle including an engine only mode, an electric only mode, a hybrid mode, a partial engine only mode, a partial electric only mode and a partial hybrid mode. At least two of the plurality of modes of operation that avoid use of the faulty component are displayed on a display screen, and a selection of one of the at least two of the plurality of modes of operation that are displayed on the display screen is received. The method includes activating at least one electric, mechanical or software isolator to isolate or disengage at least one component associated with electric propulsion of the vehicle or at least one component associated with combustion engine propulsion of the vehicle that includes the faulty component.

DRIVING DEVICE FOR VEHICLE

A vehicle includes an engine, a first MG (motor generator), a second MG, a planetary gear mechanism provided among the engine, the first MG and the second MG, a battery, and an ECU. The ECU executes batteryless travel control when the battery is abnormal. The batteryless travel control includes engine F/B control for controlling a rotation speed of the engine to become a target rotation speed, and power balance control for controlling a requested driving force to be output and allowing a power generated by the first MG to become equal to a power discharged by the second MG. When the rotation speed of the engine is higher than a threshold speed higher by a prescribed value than the target rotation speed while the batteryless travel control is in execution, the ECU decreases the requested driving force. 1. A driving device for a vehicle , comprising:an engine;a first rotating electric machine;a second rotating electric machine connected to a driving wheel;a planetary gear mechanism having a rotating element connected to the engine, a rotating element connected to the first rotating electric machine, and a rotating element connected to the second rotating electric machine, the planetary gear mechanism mechanically connecting the engine, the first rotating electric machine and the second rotating electric machine such that when a rotation speed of one of the engine and the first rotating electric machine decreases in a case where a rotation speed of the second rotating electric machine is constant, a rotation speed of the other of the engine and the first rotating electric machine decreases;a battery configured to be electrically connectable to the first rotating electric machine and the second rotating electric machine; anda controller configured, when the battery is abnormal, to disconnect the battery from the first rotating electric machine and the second rotating electric machine and to execute batteryless travel control,the batteryless travel control being control ...

VEHICLE POWER SUPPLY SYSTEM AND VEHICLE DRIVE SYSTEM

A vehicle power supply system that includes an alternator; a first electrical storage device that is charged by the alternator; a power generator that generates power in conjunction with traveling of the vehicle; a second electrical storage device that is charged by the power generator; a charge path used to charge the second electrical storage device with power from the power generator; a first power feed path for feeding power to the actuator from the first electrical storage device; a second power feed path for feeding power to the actuator from the second electrical storage device; a third power feed path for feeding power to the control load from the first electrical storage device; a fourth power feed path for feeding power to the control load from the second electrical storage device; a first switch and a second switch. 1. A vehicle power supply system for supplying power to an actuator and a control load mounted on a vehicle , the vehicle power supply system comprising:an alternator;a first electrical storage device that is charged by the alternator;a power generator that generates power in conjunction with traveling of the vehicle;a second electrical storage device that is charged by the power generator;a charge path used to charge the second electrical storage device with power from the power generator;a first power feed path for feeding power to the actuator from the first electrical storage device;a second power feed path for feeding power to the actuator from the second electrical storage device;a third power feed path for feeding power to the control load from the first electrical storage device;a fourth power feed path for feeding power to the control load from the second electrical storage device;a first switch provided in the first power feed path; anda second switch provided in the second power feed path;wherein the opening and closing of the first switch and the second switch is controlled by the control load.2. The vehicle power supply system ...

METHOD FOR SENSING FAILURE OF HYBRID VEHICLE

A method may include distributing target torque to target engine torque of an engine and target motor torque of a motor according to a predetermined control logic according to driver demand torque, comparing torques which determines whether actual torques of the engine and the motor are smaller than the target engine torque and the target motor torque, comparing whether a time period during which a state where a state where the torque of the engine or the motor is insufficient is maintained is a predetermined reference time or more, determining that any one of the engine and the motor is failed, when the time during which a state where the state where the torque of the engine or the motor is insufficient is maintained is the reference time or more, and controlling limp-home which limits the target engine torque of the engine, the target motor torque of the motor, and the regenerative braking amount of the motor. 1. A method for sensing failure of a vehicle including an engine , a motor , a voltage battery for supplying power to the motor , and charged by a regenerative braking of the motor , an engine controller configured for controlling an operation of the engine , a motor controller configured for controlling an operation of the motor , and a vehicle controller configured for controlling the engine controller and the motor controller by distributing a target torque of a vehicle determined from a demand torque input by a driver to a target engine torque of the engine and a target motor torque of the motor , the method including:operating, by the vehicle controller, the engine and the motor by distributing the target torque to the target engine torque of the engine and the target motor torque of the motor according to a predetermined control logic according to the demand torque input by the driver;determining, by the vehicle controller, whether an actual engine torque of the engine is smaller than the target engine torque, or an actual motor torque of the motor is ...

Electricity Storage Device Controller, Electric System and Construction Machine

A relay () connects and disconnects an electrical circuit to which an inverter () and an electricity storage device () are connected. A BCU () controls the electricity storage device (). An HC () controls an electric motor (), the inverter () and the BCU (). The HC () and the BCU () respectively have FET switches () for controlling supply and stop of the excitation current in the relay (). When the electricity storage device () is determined to be in an abnormal state, the BCU () transmits an abnormal signal to the HC (), and when a predetermined time has elapsed, turns off (opens) the first FET switch () of the BCU (). The HC () executes stop processing based upon the abnormal signal received from the BCU () and then turns off (opens) the second FET switch () of the HC (). 1. A construction machine comprising:an electric motor;a hydraulic pump driven by the electric motor;a hydraulic device driven by pressurized oil delivered from the hydraulic pump;an electricity storage device that supplies power to the electric motor;an inverter provided between the electricity storage device and the electric motor to convert the power;a main controller that controls the hydraulic pump and the hydraulic device;an electricity storage device controller that controls the electricity storage device;an equipment controller that controls the electric motor, the inverter and the electricity storage device controller; anda relay connecting or disconnecting an electrical circuit to which the inverter and the electricity storage device are connected, characterized in that:the equipment controller and the electricity storage device controller each include an excitation current control section that controls supply and stop of an excitation current in the relay.2. The construction machine according to claim 1 , whereinwhen a state of the electricity storage device is determined to be an abnormal state requiring the stop of the excitation current in the relay, the electricity storage device ...

Hybrid Work Machine and Control Method of Providing Information for the Same

A hybrid hydraulic excavator includes: an engine; a generator motor; an electric storage device; a commanding system being configured to command at least activation of a service mode for maintenance and execution of a charge-release process for the electric storage device; a display being configured to provide at least information on the charge-release process for the electric storage device; and a display controller being configured to control displaying of the display. The display controller commands the display to display charge-release-failure information when the charge-release process is ongoing at the elapse of a predetermined duration of time since the activation of the service mode was commanded. 1. A hybrid work machine comprising:an engine;a generator motor;an electric storage device being configured to store electric power generated by the generator motor;a commanding system being configured to command at least activation of a service mode for maintenance and execution of a charge-release process for the electric storage device;an information-providing device being configured to provide at least information on the charge-release process for the electric storage device; andan information-providing controller being configured to control the information-providing device to provide the information, the information-providing controller commanding the information-providing device to provide the information when the charge-release process is ongoing at an elapse of a predetermined duration of time since the activation of the service mode was commanded by the commanding system.2. The hybrid work machine according to claim 1 , further comprising an auto-stop controller being configured to control auto-stop of the engine claim 1 , whereinthe auto-stop controller commands the auto-stop of the engine when a preset auto-stop condition is satisfied at the elapse of the predetermined duration of time since the activation of the service mode was commanded by the ...

Drive control device for hybrid vehicle

A drive control device for a hybrid vehicle is provided with a differential device including four rotary elements; and an engine, first and second electric motors and an output rotary member which are respectively connected to the four rotary elements. One of the four rotary elements is constituted by a rotary component of a first differential mechanism and a rotary component of a second differential mechanism selectively connected through a clutch, and one of the rotary components is selectively fixed to a stationary member through a brake. The hybrid vehicle is selectively placed in a plurality of drive modes according to respective combinations of engaged and released states of the clutch and the brake. The drive control device comprises: a substitutive drive control portion configured to alternately implement a vehicle driving control and a battery charging control in the event of a failure of one of the first and second electric motors, the vehicle driving control being implemented to operate the other of the first and second electric motors, for generating a vehicle drive force, and the battery charging control being implemented to charge a vehicle driving battery with the other electric motor.

METHOD AND DEVICE FOR OPERATING A HYBRID VEHICLE

A device for the operation of a hybrid vehicle. The hybrid vehicle has a first and a second drive assembly. The drive assemblies in each case drive the hybrid vehicle, alone or jointly in a hybrid type of operation. The first drive assembly is operated with fuel from a fuel tank and a sensor device monitors an amount of fuel in the fuel tank. The device activates a safety operation of the hybrid vehicle if the amount of fuel is smaller than a specifiable value. The device reduces the output of the second drive assembly during the safety operation when a type of operation is being used in which the torque of the second drive assembly is directed oppositely to the torque of the first drive assembly. 11020. A device () for the operation of a hybrid vehicle () ,{'b': 20', '30', '40, 'wherein the hybrid vehicle () has a first () and a second () drive assembly,'}{'b': 30', '40', '20, 'wherein the drive assemblies (, ) in each case drive the hybrid vehicle (), alone or jointly in a hybrid type of operation,'}{'b': 30', '50', '60', '60, 'wherein the first drive assembly () is operated with fuel from a fuel tank () and a sensor device () monitors an amount of fuel in the fuel tank (),'}{'b': 10', '130', '20, 'wherein the device () activates a safety operation () of the hybrid vehicle () if the amount of fuel is smaller than a specifiable value,'}{'b': 10', '40', '130', '40', '30, 'characterized in that the device () reduces the output of the second drive assembly () during the safety operation () when a type of operation is being used in which the torque of the second drive assembly () is directed oppositely to the torque of the first drive assembly ().'}23040. The device according to claim 1 , characterized in that the first drive assembly () is an internal combustion engine and the second drive assembly () is an electrical machine.330. The device according to claim 1 , characterized in that the first drive assembly () is an internal combustion engine.440. The device ...

Modifying limits on vehicle dynamics for trajectories

The present disclosure is directed to performing one or more validity checks on potential trajectories for a device, such as an autonomous vehicle, to navigate. In some examples, a potential trajectory may be validated based on whether it is consistent with a current trajectory the vehicle is navigating such that the potential and current trajectories are not too different, whether the vehicle can feasibly or kinematically navigate to the potential trajectory from a current state, whether the potential trajectory was punctual or received within a time period of a prior trajectory, and/or whether the potential trajectory passes a staleness check, such that it was created within a certain time period. In some examples, determining whether a potential trajectory is feasibly may include updating a set of feasibility limits based on one or more operational characteristics of statuses of subsystems of the vehicle.

HYBRID VEHICLE POWERTRAIN CONTROL DURING LOSS OF MOTOR SPEED FEEDBACK

Propulsion for a vehicle is provided by a hybrid powertrain that includes a torque converter coupled to an electric machine and selectively coupled to an engine. The hybrid powertrain further includes a controller programmed to, responsive to a loss of speed feedback of the electric machine while the engine is disconnected from the torque converter and the torque converter is open, operate one or more of a gearbox, the electric machine, and the engine based on an impeller speed of the torque converter derived from a torque of the electric machine and a speed of the vehicle. 1. A hybrid powertrain comprising:a torque converter coupled to an electric machine and a gearbox and selectively coupled to an engine; anda controller programmed to, responsive to a loss of electric machine speed feedback while the engine is decoupled and the torque converter is open, shift the gearbox based on an impeller speed of the torque converter derived from a torque of the electric machine and a turbine speed of the torque converter.2. The hybrid powertrain of wherein the controller is further programmed to claim 1 , responsive to a presence of electric machine speed feedback claim 1 , shift the gearbox based on the impeller speed derived from the electric machine speed feedback.3. The hybrid powertrain of wherein the controller is further programmed to claim 1 , responsive to the loss of electric machine speed feedback while the engine is decoupled and the torque converter is locked claim 1 , operate the electric machine and the gearbox based on the impeller speed derived from a wheel speed.4. The hybrid powertrain of wherein the controller is further programmed to claim 1 , responsive to the loss of electric machine speed feedback while the engine is coupled claim 1 , operate the engine claim 1 , electric machine claim 1 , and gearbox based on the impeller speed derived from a speed of the engine.5. The hybrid powertrain of wherein the turbine speed is derived from a vehicle speed ...

METHOD AND SYSTEM FOR CONTROLLING A HYBRID VEHICLE

A method for controlling a hybrid vehicle having an internal combustion engine and an electric machine includes the following steps: (a) sending data indicative of a current location of the hybrid vehicle to a command center after the hybrid vehicle experiences the loss of propulsion; (b) sending data indicative of a desired destination to the command center; (c) receiving a remedial action command from the command center, wherein the remedial action command is based, at least in part, on vehicle operating parameters, the current location of the hybrid vehicle, and the desired destination; and (d) commanding the hybrid vehicle to perform a remedial action corresponding to the remedial action command, wherein the remedial action allows the hybrid vehicle to travel from the current location to a predetermined location after the hybrid vehicle has experienced the loss of propulsion. 1. A method for controlling a hybrid vehicle , the hybrid vehicle including an internal combustion engine , an electric machine , and an energy storage device electrically connected to the electric machine , wherein the method comprises:sending data, via a control module, indicative of a current location of the hybrid vehicle to a command center after the hybrid vehicle has experienced a loss of propulsion;sending data, via the control module, indicative of a desired destination to the command center;receiving, via the control module, a remedial action command from the command center, wherein the remedial action command is based, at least in part, on vehicle operating parameters, the current location of the hybrid vehicle, and the desired destination, wherein the vehicle operating parameters include a current state of charge (SOC) of the energy storage device;receiving, via the control module, a distance constraint of the hybrid vehicle from the command center, wherein the distance constraint is a range of a distance the hybrid vehicle is capable of traveling from the current location, and ...

Electric vehicle

An electric vehicle includes a motor control unit. The motor control unit is configured to repeatedly execute a communication disruption determination for determining whether communication with a main control unit is disrupted; output a communication disruption signal when the motor control unit determines that the communication is disrupted; change a determination procedure of the communication disruption determination such that the communication disruption determination is completed in a shorter time when a crash possibility signal is received prior to the communication disruption determination, than when the crash possibility signal is not received prior to the communication disruption determination; and control a discharge circuit to discharge the electric charge of the smoothing capacitor, when the crash possibility signal is received prior to the communication disruption determination and the communication disruption signal is output.

Method and apparatus for carrying out a reference measurement on a sensor of an internal cumbustion engine

A method and a corresponding apparatus for carrying out a reference measurement on a sensor of an internal combustion engine of a motor vehicle during an overrun phase of the internal combustion engine, in order to detect measurement errors of the sensor. Provision is made that future overrun phases of the internal combustion engine, and the duration of the overrun phases, are predicted on the basis of route data; and that a reference measurement on the sensor is carried out only when the predicted duration of the overrun phase is long enough to carry out the reference measurement completely. With the method and apparatus presented, the functioning of sensors can be monitored during an overrun phase of a motor vehicle having an internal combustion engine. 1. A method for carrying out a reference measurement on a sensor of an internal combustion engine of a motor vehicle during an overrun phase of the internal combustion engine , to detect measurement errors of the sensor , the method comprising:predicting future overrun phases of the internal combustion engine, and the duration of the overrun phases, based on route data; andperforming a reference measurement on the sensor only when the predicted duration of the overrun phase is long enough to carry out the reference measurement completely.2. The method of claim 1 , wherein determination of the route data is accomplished with the aid of a navigation system.3. The method of claim 1 , wherein at least the route itself and the topology along the route are taken into account as route data.4. The method of claim 1 , wherein data describing the motion of the motor vehicle and/or data describing the state of the motor vehicle are taken into account for the prediction of the duration of the overrun phase.5. The method of claim 4 , wherein the vehicle speed or the operating point of the internal combustion engine claim 4 , considered each individually or as a combination of the variables claim 4 , are taken into account as ...

VEHICLE SYSTEM, BATTERY SYSTEM AND CONTROL METHOD THEREOF

A battery system is provided. The system includes a battery and a sensor unit having a voltage sensor that detects a voltage of the battery and a current sensor that detects a charging and discharging current of the battery. A power relay assembly of the system includes a main relay that connects between the battery and a vehicle system. Additionally, a battery management system (BMS) applies different diagnostic error code confirm conditions to the voltage sensor and the current sensor when a multi-error of the voltage sensor and the current sensor is detected. 1. A battery system , comprising:a battery;a sensor unit including a voltage sensor configured to detect a voltage of the battery and a current sensor configured to detect a charging and discharging current of the battery;a power relay assembly including a main relay that connects between the battery and a vehicle system; anda battery management system (BMS) configured to apply different diagnostic error code confirm conditions to the voltage sensor and the current sensor when a multi-error of the voltage sensor and the current sensor is detected.2. The battery system of claim 1 , wherein the battery management system is configured to maintain the main relay to be an on state when the multi-trouble of the voltage sensor and the current sensor is detected and request a fail-safe cooperative control to a vehicle controller to adjust a charging and discharging torque of a motor based on a capacitor voltage of a high voltage line.3. The battery system of claim 1 , wherein the battery management system is configured to turn off the main relay when the capacitor voltage is decreased to be equal to or less than a predetermined voltage.4. The battery system of claim 1 , wherein the battery management system is configured to diagnose an error of devices configuring the battery system and apply different diagnostic error code confirm conditions between the errored devices when the multi-error occurs in a plurality of ...

DEVICE FOR CONTROLLING HYBRID VEHICLE AND METHOD FOR CONTROLLING HYBRID VEHICLE

To reduce an error of a phase difference between an angle of a crankshaft of an internal combustion engine and an angle of a rotor of a motor generator, provided are a control device for a hybrid vehicle and a control method for a hybrid vehicle, for detecting the angle of the crankshaft, detecting the angle of the rotor of the motor generator, determining whether or not a condition for ensuring that the error of the phase difference between the angle of the crankshaft and the angle of the rotor of the motor generator is becomes small is satisfied, and calculating the phase difference when the error of the phase difference is determined to be small. 1. A control device for a hybrid vehicle , in which a crankshaft of an internal combustion engine is connected to a motor generator , the control device comprising:a crank angle sensor configured to detect an angle of the crankshaft;a rotor angle sensor configured to detect an angle of a rotor of the motor generator; anda calculation unit configured to determine whether or not a condition for ensuring that an error of a phase difference between the angle of the crankshaft and the angle of the rotor of the motor generator becomes small is satisfied, and to calculate the phase difference when the error of the phase difference is determined to be small.2. The control device for a hybrid vehicle according to claim 1 , wherein the calculation unit is configured to set the condition claim 1 , for ensuring that the error of the phase difference is made small claim 1 , so as to determine whether or not a number of revolutions of the crankshaft of the internal combustion engine is equal to or larger than a set value and equal to or smaller than another set value.3. The control device for a hybrid vehicle according to claim 1 , wherein the calculation unit is configured to set the condition claim 1 , for ensuring that the error of the phase difference is made small claim 1 , so as to determine that a number of revolutions of the ...

HYBRID VEHICLE

A hybrid vehicle includes an engine, a first MG (motor generator), a second MG, a battery electrically connected to the first MG and the second MG, an engine ECU configured to control the engine, and a hybrid ECU (Electronic Control Unit) configured to control the first MG and the second MG and communicate with the engine ECU. When an abnormality of communication with the engine ECU is not found and a history of an abnormality of the engine main body is not found and electric power generated by the first MG during cranking of the engine is lower than electric power receivable by the battery during MD (Motor Drive) running (fail-safe running) in which the engine is stopped, the hybrid ECU achieves recovery to normal running in which actuation of the engine is permitted, with cranking of the engine by power generation torque of the first MG. 1. A hybrid vehicle , comprising:an engine;a first rotating electric machine;a second rotating electric machine connected to a driving wheel;a planetary gear mechanism configured to mechanically connect the engine, the first rotating electric machine and the second rotating electric machine such that an absolute value of a rotation speed of the first rotating electric machine decreases with a decrease in an absolute value of a rotation speed of the second rotating electric machine during a stop of the engine;a battery electrically connected to the first rotating electric machine and the second rotating electric machine;an engine control unit configured to control the engine; anda hybrid control unit configured to control the first rotating electric machine and the second rotating electric machine, and output an engine command to the engine control unit by communication with the engine control unit,when at least one of an abnormality of communication with the engine control unit and an abnormality of the engine occurs during a first mode in which actuation of the engine is permitted, the hybrid control unit being configured to ...

HYBRID VEHICLE

A planetary gear mechanism mechanically couples an engine, a first motor generator and a drive shaft. A second inverter is configured to control power supply to the second motor generator coupled to the drive shaft, the second inverter being a multi-phase and full-bridge type inverter having an upper arm and a lower arm in each phase. The controller executes specific control for starting the engine when the hybrid vehicle is in a stopped state and an abnormality occurs in the second motor generator. The specific control includes: (i) first control for controlling the engine to be cranked with the first motor generator; and (ii) second control for controlling the upper arm of each phase or the lower arm of each phase of the second inverter to be turned into an ON state. 1. A hybrid vehicle comprising:an engine;a first motor generator;a drive shaft connected to driving wheels;a planetary gear mechanism mechanically coupling the engine, the first motor generator and the drive shaft;a second motor generator coupled to the drive shaft;a first inverter configured to control power supply to the first motor generator;a second inverter configured to control power supply to the second motor generator, the second inverter being a multi-phase and full-bridge type inverter having an upper arm and a lower arm in each phase; anda controller configured to control outputs of the first motor generator, the second motor generator and the engine,the controller being configured to execute specific control for stalling the engine when the hybrid vehicle is in a stopped state and an abnormality occurs in the second motor generator, the specific control including(i) first control for controlling the engine to be cranked with the first motor generator, and(ii) second control for controlling the upper arm of each phase or the lower arm of each phase of the second inverter to be turned into an ON state.2. The hybrid vehicle according to claim 1 , whereinin a case where the engine is started ...

CONTROL DEVICE AND METHOD FOR CONTROLLING THE OPERATION OF AN INTERNAL COMBUSTION ENGINE AND OF AN ELECTRICAL MACHINE IN A HYBRID VEHICLE

A control device for controlling the operation of an internal combustion engine and of an electrical machine in a hybrid drive assembly, which permits a mechanical coupling of the engine and the machine in a drive train. An engine control part controls the internal combustion engine and an electrical machine control part controls the electrical machine. A monitoring part monitors proper operation of the control parts and, in the event of a malfunction, takes over a control function within a reaction time span. An engine false-start prevention part detects a transition of the internal combustion engine from stopped to running and, in the event of such a transition, checks if a proper start of the internal combustion engine was requested within a predefined past time span in order to prevent a fuel supply release and/or an ignition release if such a start was not requested. 112-. (canceled)13. A control device for controlling an operation of an internal combustion engine and of an electric machine in a hybrid drive arrangement of a vehicle , wherein the hybrid drive arrangement provides or permits a mechanical coupling of the engine and the electric machine in a drivetrain , the control device comprising:an engine control part for controlling the internal combustion engine, the engine control part being configured to control a fuel feed enablement and, optionally, an ignition enablement of the internal combustion engine;an electric machine control part for controlling the electric machine, the electric machine control part being configured to control an energization of the electric machine;a monitoring part configured to monitor a proper operation of said engine control part and of said electric machine control part and, when a malfunction is detected, to take over at least one control function of said engine control part and/or of said electric machine control part within a given reaction period;an engine false start prevention part configured to identify a ...

Method and System for Providing Charging Cord Reminder and Fault Override for Plug-In Electric Vehicles

An operation includes disabling a vehicle from moving while connection status of the vehicle with external charging infrastructure is unknown. A message is generated to advise a user to check the connection status. The vehicle is enabled to move upon a user indication that the vehicle is disconnected from the charging infrastructure. 1. A method comprising:disabling a vehicle from moving while connection status of the vehicle with external charging infrastructure is unknown;generating a message to advise a user to check the connection status; andenabling the vehicle to move upon a user indication that the vehicle is disconnected from the charging infrastructure.2. The method of wherein:the message is generated in response to receiving a user request to move the vehicle while the vehicle is disabled.3. The method of further comprising:generating a message advising the user that the vehicle is considered to be connected with the charging infrastructure while the vehicle is disabled.4. The method of further comprising:maintaining disablement of the vehicle upon a user indication that the vehicle is connected with the charging infrastructure.5. The method of further comprising:maintaining disablement of the vehicle while a user indication regarding the connection status of the vehicle with the charging infrastructure is absent.6. The method of wherein:the message is generated via an instrument cluster of the vehicle.7. The method of wherein:the user indication is via a steering wheel control of the vehicle.8. The method of further comprising:detecting the connection status of the vehicle with the charging infrastructure.9. The method of further comprising:enabling the vehicle to move while the connection status as detected is known to be that the vehicle is disconnected from the charging infrastructure; anddisabling the vehicle from moving while the connection status as detected is known to be that the vehicle is connected with the charging infrastructure.10. The method ...

Hybrid vehicle and method for controlling the same

A vehicle includes: an engine; an exhaust pipe through which exhaust gas from the engine is released; a battery pack located near the exhaust pipe; and an ECU that executes, during limp-home traveling of the vehicle, control in which the battery pack is not charged and discharged, and output suppression control in which output of the engine is suppressed. In the output suppression control, when the catalyst temperature is above a threshold value, the ECU suppresses the output of the engine, as compared to when the catalyst temperature is below the threshold value, while maintaining a state in which the engine can output power.

CONTROL DEVICE AND CONTROL METHOD OF HYBRID VEHICLE

The control device of a hybrid vehicle for controlling a hybrid vehicle includes a position estimating part configured to estimate a position of the hybrid vehicle using the vehicle position detection device, a reliability calculating part configured to calculate a reliability of position information of the hybrid vehicle, and a power output part configured to control the internal combustion engine and the electric motor to output power for driving use. The power output part is configured to reduce the output of the internal combustion engine when the reliability is equal to or less than a reference value, compared to when the reliability is higher than the reference value. 1. A control device of a hybrid vehicle for controlling a hybrid vehicle comprising an internal combustion engine , an electric motor , a battery , and a vehicle position detection device , comprising a processor configured to:estimate a position of the hybrid vehicle using the vehicle position detection device;calculate a reliability of position information of the hybrid vehicle; andcontrol the internal combustion engine and the electric motor to output power for driving use, whereinthe processor is configured to reduce the output of the internal combustion engine when the reliability is equal to or less than a reference value, compared to when the reliability is higher than the reference value.2. The control device of a hybrid vehicle according to claim 1 , wherein the processor is configured to increase the output of the electric motor when the reliability is equal to or less than the reference value claim 1 , compared to when the reliability is higher than the reference value.3. The control device of a hybrid vehicle according to claim 1 , whereinthe hybrid vehicle further comprises an output device, andif the output of the internal combustion engine is reduced due to reduction in the reliability, the processor is configured to notify an occupant of the hybrid vehicle of the reduction in the ...

HYBRID VEHICLE

When an engine is in a stopped state and a rotation speed of a first rotating electric machine is not within a range in which the engine can be started by a drag torque generated by three-phase-short-circuit control, an electronic control unit performs transmission control of an automatic transmission such that the rotation speed of the first rotating electric machine falls within the range. 1. A hybrid vehicle comprising:an engine;a first rotating electric machine including a three-phase AC motor;a second rotating electric machine configured to output motive power to a drive shaft;a planetary gear mechanism including a sun gear coupled to the first rotating electric machine, a ring gear coupled to the second rotating electric machine, and a carrier coupled to the engine;an inverter including drive arms of three phases each having an upper arm and a lower arm, the inverter being configured to drive the first rotating electric machine;a transmission including a plurality of gear positions, and coupled between the second rotating electric machine and the drive shaft; anda controller configured to control the inverter and the transmission, when the engine is stopped and a short-circuit fault occurs in one of the upper arm and the lower arm of one phase of the drive arms of three phases, perform three-phase-short-circuit control in which the upper arms or the lower arms of the phases without the short-circuit fault are short-circuited, on the same side as the upper arm or the lower arm with the short-circuit fault, and', 'when rotation speed of the first rotating electric machine is not within a specific range in which the engine can be started by a torque generated by the three-phase-short-circuit control, perform transmission control of the transmission such that the rotation speed of the first rotating electric machine falls within the specific range., 'the controller being configured to'}2. The hybrid vehicle according to claim 1 , wherein calculate a predicted ...

PLUG-IN ELECTRIC VEHICLE INTERLOCK

To prevent damage of a vehicle or a cord set used to charge a plug-in electric vehicle when the vehicle is driven away while the cord set is attached, an interlock can be provided to disable the vehicle. Such interlock may be based on a protective door over the charging receptacle being open or detection that a cord set is plugged in. However, in the event that the vehicle is in an activated state, the interlock is prevented from disabling the vehicle according to an embodiment of the disclosure. That is, undesirable disabling of the vehicle is prevented when either there is no indication of a cord set being coupled to the vehicle or the vehicle is in an activated state. 1. A system for a plug-in vehicle , comprising:an electronic control unit coupled to a powertrain of the vehicle and configured to detect a false indication from a cord set indicator associated with a charging cord being coupled to the vehicle while the vehicle is activated such that the vehicle continues to be continuously activated in response to the false indication from the cord set indicator.2. The system of wherein the vehicle includes a charging access door having an associated switch triggered when the charging access door is closed and wherein the cord set indicator comprises the switch.3. The system of wherein the electronic control unit is configured to disable the powertrain when the false indication is not detected and the cord set indicator indicates the charging cord is coupled to the vehicle.4. The system of wherein the vehicle includes a charging receptacle electronically coupled to the electronic control unit claim 1 , and wherein the electronic control unit detects whether a plug is coupled with the charging receptacle claim 1 , the cord set indicator corresponding to whether the plug is coupled with the charging receptacle.5. The system of wherein the vehicle comprises an internal combustion engine and wherein the electronic control unit prevents the internal combustion engine ...

VEHICLE CONTROL APPARATUS FOR HYBRID VEHICLES

A vehicle control device is provided for hybrid vehicles with which it is possible to improve the detection accuracy of an electric leakage. The vehicle control device determines an occurrence of an electric leakage of a strong current system that is routed from a high power battery to a motor. The vehicle control device includes an integrated controller that executes a process that prohibits a mode switch between an HEV mode for traveling by the drive force of the engine and the motor, and an EV mode for traveling by the drive force of only the motor during an electric leakage detection. 1. A hybrid vehicle control device for hybrid vehicles comprising:a power source including an engine and a motor;a high power battery that supplies power to the motor; anda controller configured to perform electric leakage detection to detect an occurrence of an electric leakage of a strong current system that is routed from the high power battery to the motor; andthe controller being further configured to prohibit a mode switch between an HEV mode for traveling by a drive force of the engine and the motor, and an EV mode for traveling by the drive force of only the motor during a period in which a presence or an absence of an electric leakage is being detected.2. The hybrid vehicle control device according to claim 1 , whereinthe controller sets the HEV mode in advance during the electric leakage detection, and prohibits the mode switch.3. The hybrid vehicle control device according to claim 1 , whereinthe controller is configured to detect an electric leakage occurrence when insulation resistance falls below an electric leakage determination threshold, which is set in advance, based on a detection of the insulation resistance between the strong current system and a ground.4. The hybrid vehicle control device according to claim 3 , further comprisingan electric air conditioner disposed in the strong current system, and that is configured to adjust a vehicle interior temperature by ...

METHOD FOR IMPROVING DISTANCE TO EMPTY (DTE) OF HYBRID ELECTRIC VEHICLE

Disclosed herein is a method for improving a distance to empty (DTE) of a hybrid electric vehicle. The method includes: a hybrid control unit of the hybrid electric vehicle performing a warning against gasoline fuel exhaustion at a gasoline fuel exhaustion point in time depending on the DTE; deciding whether or not a mode of the hybrid electric vehicle is changed from an HEV mode into an EV mode depending on the warning against the gasoline fuel exhaustion; and driving the hybrid electric vehicle in the changed EV mode, and again changing the mode of the hybrid electric vehicle into the HEV mode when all of the electricity amount is exhausted at the time of driving the hybrid electric vehicle, thereby exhausting a remaining gasoline fuel. 1. A method for improving a distance to empty (DTE) of a hybrid electric vehicle , comprising:a hybrid control unit of the hybrid electric vehicle performing a warning against gasoline fuel exhaustion at a gasoline fuel exhaustion point in time depending on the DTE,the hybrid control unit deciding whether or not a mode of the hybrid electric vehicle is changed from a hybrid electric vehicle (HEV) mode into an electric vehicle (EV) mode depending on the warning against the gasoline fuel exhaustion; anddriving the hybrid electric vehicle in the changed EV mode, and again changing the mode of the hybrid electric vehicle into the HEV mode when all of the electricity amount is exhausted at the time of driving the hybrid electric vehicle, thereby exhausting a remaining gasoline fuel.2. The method for improving a DTE of a hybrid electric vehicle according to claim 1 , further comprising deciding that the gasoline fuel is sufficient when the hybrid control unit does not perform the warning against the gasoline fuel exhaustion at the gasoline fuel exhaustion point in time claim 1 , thereby maintaining the hybrid electric vehicle in the HEV mode.3. The method for improving a DTE of a hybrid electric vehicle according to claim 1 , further ...

Power supply system of a motor vehicle, motor vehicle, as well as method for operating a power supply system

A power supply system of a motor vehicle includes a first electric system having a first motor vehicle battery and a first consumer. A second electric system includes a second motor vehicle battery and a second consumer. An autonomous switch is configured to connect and separate the first electric system and the second electric system. The autonomous switch connects the first electric system and the second electric system to one another by closing the autonomous switch if a failure or impending failure of the energy supply of the first electric system or the second electric system is detected.

DRIVE CONTROL DEVICE FOR HYBRID VEHICLE

A drive control device for a hybrid vehicle provided with: a differential device which includes a first differential mechanism and a second differential mechanism and which has four rotary elements; and an engine, a first electric motor, a second electric motor and an output rotary member which are respectively connected to said four rotary elements, and wherein one of said four rotary elements is constituted by a rotary component of said first differential mechanism and a rotary component of said second differential mechanism which are selectively connected to each other through a clutch, and one of the rotary components of said first and second differential mechanisms which are selectively connected to each other through said clutch is selectively fixed to a stationary member through a brake, said drive control device comprising: a substitutive drive control portion configured to implement, in the event of a failure of said first electric motor, a substitutive drive control wherein said engine is operated to generate a vehicle drive force while said second electric motor receives a reaction force of the vehicle drive force. 1. A drive control device for a hybrid vehicle provided with: a differential device which includes a first differential mechanism and a second differential mechanism and which has four rotary elements; and an engine , a first electric motor , a second electric motor and an output rotary member which are respectively connected to said four rotary elements , and wherein one of said four rotary elements is constituted by a rotary component of said first differential mechanism and a rotary component of said second differential mechanism which are selectively connected to each other through a clutch , and one of the rotary components of said first and second differential mechanisms which are selectively connected to each other through said clutch is selectively fixed to a stationary member through a brake , said drive control device comprising:a ...

Vehicle control device

A control device for a vehicle configured to automatically stop an engine while the vehicle is running, the control device includes: an engine stop request outputted in accordance with an operation of a driver, and an engine stop prohibition request outputted based on a driving state of the vehicle which are independent requests, the higher-priority engine stop request being preferentially performed when both the requests are simultaneously outputted, and the engine stop prohibition request being withdrawn when the engine stop is performed by the higher-priority engine stop request.

Work vehicle

There are provided an electric storage device ( 11 ), inverter devices ( 7, 10 ), a converter device ( 12 ) for converting the voltage of circuits to which the inverter devices ( 7, 10 ) are connected, a motor generator ( 6 ) for driving a hydraulic pump ( 4 ) using alternate current from the inverter device ( 7 ), a motor ( 9 ) for driving wheels ( 61 ) using alternate current from the inverter device ( 10 ), and a control device ( 200 ) for controlling the inverter devices ( 7, 10 ). When any of the devices necessary for supplying the current to the motor ( 9 ) has developed a failure, the control device ( 200 ) drives the motor ( 9 ) by getting another normal device to perform another process corresponding to the process that has been performed by the malfunctioned device before the failure. This makes it possible to continue travel movement even when part of a travel power supply system has developed a failure.

Method and device for learning engine clutch delivery torque of hybrid vehicle

A method for learning engine clutch delivery torque of a hybrid vehicle includes: determining, by a controller, whether power transference of a transmission transmitting output from an engine of the vehicle and a motor of the vehicle is interrupted; controlling, by the controller, a speed of the motor to be maintained at a first speed when the power transference of the transmission is interrupted; calculating, by the controller, a first delivery torque of an engine clutch that connects the engine with the motor or disconnects the engine from the motor, based on the first speed and a second speed of the motor which is generated after the engine clutch is engaged; controlling, by the controller, the speed of the motor to be maintained at the second speed by releasing the engine clutch after the first delivery torque is calculated; and calculating, by the controller, a second delivery torque of the engine clutch based on the second speed and a third speed of the motor which is generated after the engine clutch is engaged.

VEHICLE FUEL MAINTENANCE SYSTEMS AND METHODS

A method comprises on board a hybrid vehicle and executed by a vehicle controller on board the hybrid vehicle, determining a pH based on a pH sensor positioned in a fuel system; and in response to a first condition comprising the pH being less than a first threshold pH, disabling an electric motor and propelling the hybrid vehicle with an engine. In this way, a risk of engine degradation due to fuel degradation can be reduced. 1. A method , comprising:on board a hybrid vehicle and executed by a vehicle controller on board the hybrid vehicle,measuring a pH of fuel by a pH sensor positioned in a fuel supply system supplying fuel to an engine of the hybrid vehicle; andin response to a first condition comprising the pH being less than a first threshold pH, disabling an electric motor and propelling the hybrid vehicle with the engine.2. The method of claim 1 , wherein the first condition further comprises the pH being less than the first threshold pH for a first threshold time.3. The method of claim 2 , further comprising claim 2 , in response to the pH being greater than a second threshold pH claim 2 , enabling the electric motor and propelling the hybrid vehicle with one or more of the electric motor and the engine.4. The method of claim 3 , further comprising claim 3 , in response to a fuel volume decreasing below a first threshold volume claim 3 , enabling the electric motor and propelling the hybrid vehicle with one or more of the electric motor and the engine.5. The method of claim 4 , further comprising claim 4 , in response to the pH being less than the first threshold pH and the first condition being satisfied for a duration greater than a second threshold time claim 4 , disabling the engine and propelling the hybrid vehicle with the electric motor.6. The method of claim 5 , further comprising claim 5 , in response to a second condition including a fuel age being greater than a threshold age claim 5 , disabling the electric motor and propelling the hybrid ...

HYBRID VEHICLE

When a malfunction occurs in communication between an HV-ECU and an MG-ECU, inverterless running is performed to ensure that a driving torque of a vehicle is applied, by setting inverters in a gate shutoff state and using a braking torque generated in a motor generator rotated by an engine. When the inverterless running resulting from the malfunction in communication is performed, the MG-ECU uses a converter to control a system voltage VH to a predetermined voltage. During the inverterless running resulting from the malfunction in communication, the HV-ECU sets an assumed power range of a battery based on a detected value regarding a vehicle running state and the predetermined voltage. When an actual electric power determined from the voltage and current of the battery is out of the assumed power range, the HV-ECU performs a process for stopping the vehicle from running. 1. A hybrid vehicle comprising:an engine;a first rotating electric machine including a first rotor equipped with a permanent magnet;an output shaft coupled to drive wheels;a planetary gear device mechanically coupled to the engine, the first rotor, and the output shaft, and configured to transmit a torque between the first rotating electric machine, the engine, and the output shaft;a second rotating electric machine including a second rotor coupled to the output shaft;a power storage device configured to be rechargeable;a monitoring unit configured to detect a voltage and a current of the power storage device;a converter configured to perform a bidirectional DC voltage conversion between the power storage device and an electric power line;a first inverter connected between the electric power line and the first rotating electric machine;a second inverter connected between the electric power line and the second rotating electric machine;a first controller configured to control an operation of the engine; anda second controller configured to control the first rotating electric machine and the second ...

METHOD TO CONTROL AN ELECTRIC MOTOR WITH ADJUSTMENT OF THE VALUE OF THE EQUIVALENT IMPEDANCE

A method to control an electric motor including the steps of: determining a target torque; calculating a target current by dividing the target torque by a torque constant; determining an equivalent impedance by means of a predetermined map; calculating the voltage drop by multiplying the target current by the equivalent impedance; calculating a counter-electromotive force by multiplying an actual rotation speed by a speed constant; determining a control voltage to be applied to the power supply terminals of the electric motor by adding the voltage drop to the counter-electromotive force; determining an offset parameter; and correcting the equivalent impedance provided by the predetermined map by applying the offset parameter. 1. A method to control an electric motor , the control method comprising the steps of:determining a target torque;calculating a target current by dividing the target torque by a torque constant;determining an equivalent impedance by means of a predetermined map;calculating the voltage drop by multiplying the target current by the equivalent impedance;calculating a counter-electromotive force by multiplying an actual rotation speed by a speed constant; anddetermining a control voltage to be applied to the power supply terminals of the electric motor by adding the voltage drop to the counter-electromotive force;wherein the auxiliary electric motor is of BLDC type and has a torque curve, namely the characteristic that correlates the torque to the rotation speed, having an initial section wherein the torque is constant as the rotation speed increases and an end section wherein the torque decreases as the rotation speed increases; the two sections of the torque curve of the auxiliary electric motor are connected to each other in an elbow where a change in slope is performed;the control method further comprising the steps of:determining an offset parameter when the electric motor is in the neighbourhood of a predetermined operating point; ...

HYBRID VEHICLE

When at least one of motor generators is not under normal control and where the MG temperature is less than an upper limit value, an ECU is configured to perform an inverter-less running control. In the inverter-less running control, an inverter is brought into a gate shutoff state and an engine is driven to cause the motor generator to generate a counter-electromotive voltage which consequently produces a counter-electromotive torque. During the inverter-less running control, the ECU makes a voltage difference between the counter-electromotive voltage and the voltage of a power line connecting a converter and an inverter when the MG temperature is equal to or greater than a predetermined value smaller than the voltage difference when the MG temperature is less than the predetermined value. 1. A hybrid vehicle comprising:an engine;a first rotating electrical machine including a rotor provided with a permanent magnet;an output shaft coupled to drive wheels;a planetary gear mechanism mechanically coupled to the engine, the first rotating electrical machine and the output shaft, and configured to transmit torque among the engine, the first rotating electrical machine and the output shaft;a second rotating electrical machine coupled to the output shaft;a battery;a converter configured to boost a voltage from the battery and output the boosted voltage;an inverter configured to perform a power conversion between the converter and the first rotating electrical machine and between the converter and the second rotating electrical machine; anda control device configured to perform an inverter-less running control when at least one of the first rotating electrical machine and the second rotating electrical machine is not under normal control and when the temperature of the first rotating electrical machine is less than a first predetermined value,the inverter-less running control being such a control that the inverter is brought into a gate shutoff state, and the engine is ...

OPERATION OF A HYBRID VEHICLE AFTER DETECTING THAT A LOWER FUEL FILLING LEVEL HAS BEEN REACHED OR UNDERSHOT

A method for operating a hybrid vehicle having an internal combustion engine and an electrical machine for driving the hybrid vehicle is provided, where the internal combustion engine is supplied with fuel from a fuel tank, a fuel filling level of the fuel tank being determined using a fuel filling level sensor, wherein the electrical machine is supplied with electrical energy from an energy store, and the vehicle is configured to be driven in a purely electric mode, with the internal combustion engine switched off, using the electrical machine. In certain embodiments, the method includes establishing that the fuel filling level sensor indicates that a lower filling level has been reached or undershot, and, in response to this establishing, switching off the internal combustion engine and driving the vehicle in the purely electric mode, with the internal combustion engine switched off, using the electrical machine. Following said driving the vehicle in the purely electric mode of the vehicle, the method further includes switching on the internal combustion engine and driving the vehicle using the internal combustion engine in a special mode with the internal combustion engine switched on when one or more conditions for the special mode are satisfied. 1. A method for operating a hybrid vehicle having an internal combustion engine and an electrical machine for driving the hybrid vehicle , wherein the internal combustion engine is supplied with fuel from a fuel tank , a fuel filling level of the fuel tank being determined using a fuel filling level sensor , wherein the electrical machine is supplied with electrical energy from an energy store , and the vehicle is configured to be driven in a purely electric mode , with the internal combustion engine switched off , using the electrical machine , wherein the method comprises:establishing that the fuel filling level sensor indicates that a lower filling level has been reached or undershot; and,in response to said ...

FAIL-SAFE CONTROL METHOD FOR ENGINE CLUTCH ACTUATOR AND APPARATUS THEREOF

A fail-safe control method and apparatus for an engine clutch actuator includes determining whether a driving mode of a hybrid vehicle is an electric vehicle (EV) mode. An oil pressure in a cylinder of the engine clutch actuator is measured when the driving mode of the hybrid vehicle is the EV mode. The oil pressure value in the cylinder is compared with a previously stored average pressure value. A motor of the engine clutch actuator rotates to decrease the oil pressure value in the cylinder t when the oil pressure value in the cylinder is greater than the previously stored average pressure value. An engine clutch is connected to an internal combustion engine as the oil pressure value in the cylinder decreases. 1. A fail-safe control apparatus for an engine clutch actuator comprising:a pressure sensor to measure a pressure value in a cylinder of the engine clutch actuator;a local controller to determine whether a driving mode of a hybrid vehicle should be in either an electric vehicle (EV) mode or a hybrid vehicle mode (HEV) by comparing the pressure value measured by the pressure sensor with an average pressure value of the cylinder in the EV mode; anda motor rotated according to a command of the local controller in order to control the pressure value of the cylinder to connect or release between an engine clutch and an internal combustion engine.2. The fail-safe control apparatus of claim 1 , wherein the engine clutch includes a dry friction clutch.3. The fail-safe control apparatus of claim 2 , wherein the average pressure value of the cylinder in the EV mode is obtained by averaging pressure values of the cylinder measured during a previously stored period of time while the hybrid vehicle is driven in the EV mode.4. The fail-safe control apparatus of claim 1 , wherein the local controller controls the motor to rotate in reverse such that the driving mode of a hybrid vehicle switches from EV mode to HEV mode claim 1 , when the pressure value measured by the ...

METHOD FOR ENFORCED DISCHARGE OF A HYBRID VEHICLE

A method for enforced discharge of a hybrid vehicle is aimed at discharging a voltage formed in a high-voltage system of a hybrid vehicle to safely remove risk factors due to high voltage when enforced discharge is requested. The method includes determining whether enforced discharge is requested, speed-controlling a motor connected to an engine so as to transmit power to the engine to reduce speed of the motor to zero revolutions per minute, stopping the engine connected to the speed-controlled motor when the enforced discharge is requested, and performing enforced discharge control for enforced-discharging a voltage of a high-voltage system when the engine is stopped. 1. A method for enforced discharge of a hybrid vehicle , the method comprising:determining whether enforced discharge is requested;speed-controlling a motor connected to an engine so as to transmit power to the engine to reduce speed of the motor to zero revolutions per minute (rpm);stopping the engine connected to the speed-controlled motor when the enforced discharge is requested; andperforming enforced discharge control for enforced-discharging a voltage of a high-voltage system when the engine is stopped.2. The method of claim 1 , further comprising checking a vehicle state comprising determining whether failure occurs in the motor when the enforced discharge is requested claim 1 ,wherein, after the checking, the stopping of the engine comprises speed-controlling a motor in which failure does not occur among a plurality of motors connected to the engine so as to transmit power to the engine and stopping the engine.3. The method of claim 2 , wherein the checking includes checking the plurality of motors which comprises:a driving motor for driving a vehicle; anda hybrid starter generator (HSG) connected directly to the engine so as to transmit power to the engine.4. The method of claim 2 , wherein the vehicle state comprises engine rpm; andthe checking of the vehicle state comprises comparing the ...

FAIL-SAFE CONTROL METHOD FOR ENGINE CLUTCH ACTUATOR AND APPARATUS THEREOF

A fail-safe control method and apparatus for an engine clutch actuator includes determining whether a driving mode of a hybrid vehicle is an electric vehicle (EV) mode. An oil pressure in a cylinder of the engine clutch actuator is measured when the driving mode of the hybrid vehicle is the EV mode. The oil pressure value in the cylinder is compared with a previously stored average pressure value. A motor of the engine clutch actuator rotates to decrease the oil pressure value in the cylinder t when the oil pressure value in the cylinder is greater than the previously stored average pressure value. An engine clutch is connected to an internal combustion engine as the oil pressure value in the cylinder decreases. 1. A fail-safe control method for an engine clutch actuator , the method comprising:determining whether a driving mode of a hybrid vehicle is an electric vehicle (EV) mode;measuring an oil pressure in a cylinder of the engine clutch actuator when the driving mode of the hybrid vehicle is the EV mode;comparing an oil pressure value in the cylinder with a previously stored average pressure value;rotating a motor of the engine clutch actuator to decrease the oil pressure value in the cylinder when the oil pressure value in the cylinder is greater than the previously stored average pressure value; andconnecting an engine clutch to an internal combustion engine as the oil pressure value in the cylinder decreases.2. The fail-safe control method of claim 1 , wherein the engine clutch includes a dry friction clutch.3. A fail-safe control method for an engine clutch actuator claim 1 , the method comprising:determining whether a driving mode of a hybrid vehicle is an electric vehicle (EV) mode;measuring an oil pressure value in a master cylinder of the engine clutch actuator when the driving mode of the hybrid vehicle is the EV mode;adding the oil pressure value in the master cylinder to a previously stored average pressure value to obtain a new average pressure value ...

METHOD AND SYSTEM FOR DETECTING FUSION OF RELAY

A method and system for detecting fusion of a relay are provided to more accurately diagnose fusion of a relay by adjusting relay OFF order when a vehicle engine is turned off using data regarding whether fusion of a relay was detected when the vehicle engine was turned on. The method includes detecting whether first and second relays have been fused when a vehicle engine was turned on and adjusting OFF order of the first and second relays when the vehicle engine is turned off based on whether the first and second relays have been fused. 1. A method for detecting fusion of a relay , comprising:detecting, by a controller, whether first and second relays have been fused when a vehicle engine was turned on; andadjusting, by the controller, an OFF order of the first and second relays when the vehicle engine is turned off based on the detection of whether the first and second relays have been fused.2. The method according to claim 1 , further comprising:in response to detecting that the first and second relays have not been fused, simultaneously turning off, by the controller, both the first and second relays when the vehicle engine is turned off.3. The method according to claim 1 , further comprising:in response to detecting that the first and second relays have been fused, determining, by the controller, whether the second relay has been fused when the vehicle engine was turned on.4. The method according to claim 3 , further comprising:when the second relay has been fused in the determination of whether the second relay has been fused when the vehicle engine was turned on, turning off, by the controller, the first relay.5. The method according to claim 4 , further comprising:determining, by the controller, whether the first relay has been fused when the vehicle engine was turned off, after the turning off of the first relay; andwhen the first relay has been fused, diagnosing, by the controller, that both the first relay and the second relay have been fused and ...

LIMP-HOME DRIVING METHOD DURING BREAKDOWN OF PARKING SWITCH FOR VEHICLE

A limp-home driving method at the time of a breakdown of a parking switch for a vehicle includes a first step of diagnosing a breakdown of a plurality of air parking switches provided in a hybrid vehicle by connecting the air parking switches to a hybrid control unit (HCU) and a transmission control unit (TCU), respectively, through parking wires, and connecting the HCU and the TCU with each other by controller area network (CAN) communication, a second step of informing a driver of a breakdown state at the time of confirming the breakdown of the air parking switches in the first step, and a third step of limiting an output of the vehicle and performing a limp-home function in a state in which an ISG (Idle Stop and Go) control is stopped, after the second step. 1. A limp-home driving method at the time of a breakdown of a parking switch for a vehicle , comprising:a first step of diagnosing a breakdown of a plurality of air parking switches provided in a hybrid vehicle by connecting the air parking switches to a hybrid control unit (HCU) and a transmission control unit (TCU), respectively, through parking wires, and connecting the HCU and the TCU with each other by controller area network (CAN) communication;a second step of informing a driver of a breakdown state at the time of confirming the breakdown of the air parking switches in the first step; anda third step of limiting an output of the vehicle and performing a limp-home function in a state in which an ISG (Idle Stop and Go) control is stopped, after the second step.2. The limp-home driving method at the time of a breakdown of a parking switch for a vehicle according to claim 1 , wherein the TCU includes a gradient sensor for determining a gradient of a road on which the vehicle is positioned.3. The limp-home driving method at the time of a breakdown of a parking switch for a vehicle according to claim 2 , wherein the first step includes:a 1-1-th step of deciding whether or not a vehicle speed is 0 Km/h or ...

FUEL CELL SYSTEM, FUEL CELL VEHICLE, AND METHOD FOR EVALUATING OPERATIONAL FAILURE OF ON-OFF VALVE

The control unit of the fuel cell system monitors the status of power generation of the fuel cell and calculates a total amount of the fuel gas consumption, based on the amount of power generated by the fuel cell, from a point in time when the supply gas pressure reaches a standard gas pressure. Another total amount of the fuel gas consumption is calculated based on a gas pressure change that corresponds to a decrease of the gas pressure from the standard gas pressure. Comparing two total amounts of the fuel gas consumptions, the evaluation is performed as whether the on-off valve in the fuel gas flow path from each of the fuel gas tanks to the fuel cell fails to be opened. 1. A fuel cell system comprising:a fuel cell that generates power by receiving fuel gas;a plurality of fuel gas tanks connected in parallel to the fuel cell;an on-off valve provided in a fuel gas flow path from each of the fuel gas tanks, wherein the on-off valve is switched between two positions to discharge fuel gas from the gas fuel tank to the fuel cell and shut fuel gas off;a supply gas pressure sensor that detects supply gas pressure in sight of the fuel gas tank when fuel gas from the plurality of fuel gas tanks is simultaneously supplied to the fuel cell;a first consumption calculation unit that monitors a power generation status of the fuel cell and calculates a total amount of a fuel gas consumption from a point in time when the supply gas pressure detected by the supply gas pressure sensor reaches a standard gas pressure predetermined, based on an amount of power generated by the fuel cell;a second consumption calculation unit that calculates a total amount of a fuel gas consumption based on a gas pressure change that corresponds to a decrease of the gas pressure detected by the supply gas pressure sensor from the standard gas pressure; anda valve operation evaluation unit that evaluates whether the on-off valve fails to be opened by comparing total amounts of the fuel gas consumptions ...

Device and Method for Controlling an Engine Clutch in an Environmentally-Friendly Vehicle

A device for controlling an engine clutch in an environmentally-friendly vehicle, wherein the engine clutch is disposed between an engine and a driving motor and is configured to selectively connect the engine to the driving motor, includes: a transmission configured to receive a driving force that is transmitted from at least one of the engine and the driving motor by release or engagement of the engine clutch; and a controller configured to control the engine clutch based on a gear of the transmission when the failure of the engine clutch is detected and configured to charge a battery using the engine. 1. A device for controlling an engine clutch , comprising:a transmission configured to receive a driving force that is transmitted from at least one of an engine and a driving motor by release or engagement of the engine clutch; anda controller configured to control the engine clutch based on a gear of the transmission when an engine clutch failure is detected and to control charging of a vehicle battery using the engine.2. The device for controlling an engine clutch of claim 1 , wherein when the controller detects an engine clutch failure claim 1 , the controller:changes a current gear of the transmission to a neutral gear,engages the engine clutch,drives the engine,charges the battery using the engine and the driving motor, andchanges the neutral gear back to the current gear.3. The device for controlling an engine clutch of claim 2 , wherein the controller controls the engine and the driving motor to drive the vehicle when the current gear is a drive gear.4. The device for controlling an engine clutch of claim 2 , wherein the controller controls the engine and the driving motor so that the vehicle moves backward when the current gear is a reverse gear.5. The device for controlling an engine clutch of claim 1 , wherein when the controller detects an engine clutch failure claim 1 , the controller:releases the engine clutch,determines whether the gear of the ...

CONTROL SYSTEM FOR HYBRID VEHICLE

A control system for hybrid vehicle for extending a possible travelling distance of the vehicle in the event of clutch failure is provided. The control system is configured to select a first drive mode in which the vehicle is powered by an engine in case an estimated torque transmitting capacity of the clutch in trouble is larger than a first threshold value, and to select a second drive mode in which the vehicle is powered by a motor in case the estimated torque transmitting capacity of the clutch in trouble is smaller than the first threshold value. The control system is further configured to reduce an engine torque to be smaller than the estimated torque transmitting capacity of the clutch in case the first drive mode is selected. 1. A control system for a hybrid vehicle havinga prime mover including an engine and a motor,an engagement device that is disposed between the engine and the motor to selectively enable a torque transmission between the engine and the motor and between the engine and driving wheels, anda control unit that selects a drive mode of the vehicle;wherein the control unit is configured to:determine an occurrence of failure in which a torque transmitting capacity of the engagement device cannot be altered;estimate the torque transmitting capacity of the engagement device;select a first drive mode in which the vehicle is powered by the engine in case the occurrence of failure of the engagement device is determined and the estimated torque transmitting capacity of the engagement device is larger than a first threshold value;select a second drive mode in which the vehicle is powered by the motor in case the occurrence of failure of the engagement device is determined and the estimated torque transmitting capacity of the engagement device is smaller than the first threshold value; andreduce a torque of the to be smaller than the estimated torque transmitting capacity of the engagement device in case the first drive mode is selected.2. The control ...

HYBRID VEHICLE

A hybrid vehicle may include an engine, a first rotating electric machine, an output shaft, a planetary gear mechanism, a second rotating electric machine, a battery, an inverter and an electronic control unit. The electronic control unit may be programmed to perform inverterless traveling control. The inverterless traveling control may be control for causing the hybrid vehicle to travel by placing the inverter in a gate cut-off state, and driving the engine. The electronic control unit also may be programmed to interrupt current flowing between the first rotating electric machine and the battery when a shift range other than a forward range is selected, during the inverterless traveling control. 1. A hybrid vehicle comprising:an engine;a first rotating electric machine including a permanent magnet in a rotor;an output shaft connected to drive wheels;a planetary gear mechanism that mechanically connects the engine, the first rotating electric machine, and the output shaft, such that reaction force of output torque of the first rotating electric machine acts on the output shaft, when the engine is in a driven state;a second rotating electric machine connected to the output shaft;a battery;an inverter configured to convert electric power between the battery, and the first rotating electric machine and the second rotating electric machine; andan electronic control unit programmed toa) perform inverterless traveling control, the inverterless traveling control being control for causing the hybrid vehicle to travel by placing the inverter in a gate cut-off state, and driving the engine, andb) interrupt current flowing between the first rotating electric machine and the battery when a shift range other than a forward range is selected, during the inverterless traveling control.2. The hybrid vehicle according to claim 1 , further comprisinga converter configured to raise a voltage applied from the battery and output the voltage to the inverter, whereinthe electronic control ...

Method for Increasing the Safety of a Hybrid Vehicle

A method for increasing a safety of a hybrid vehicle is disclosed. The hybrid vehicle includes a hybrid separating clutch configured to disconnect or connect an internal combustion engine and an electric motor. A torque output by the internal combustion engine and/or the electric motor is transferred to drive wheels of the hybrid vehicle. When using the electric motor as a drive motor, in an event of a fault in the hybrid separating clutch, a revolution rate (NIce) of the internal combustion engine is limited to a current revolution rate (NEMot) of the electric motor. 1. A method for increasing a safety of a hybrid vehicle , wherein the hybrid vehicle includes a hybrid separating clutch configured to disconnect or connect an internal combustion engine and an electric motor and a torque output by the internal combustion engine and/or the electric motor is transferred to drive wheels of the hybrid vehicle , the method comprising:when using the electric motor as a drive motor, in an event of a fault in the hybrid separating clutch, limiting a revolution rate (NIce) of the internal combustion engine a current revolution rate (NEMot) of the electric motor.2. The method as claimed in claim 1 , wherein the revolution rate (NIce) of the internal combustion engine is set to be less than or equal to the current revolution rate (NEMot) of the electric motor if the revolution rate (NEMot) of the electric motor is greater than or equal to an idling revolution rate of the internal combustion engine.3. The method as claimed in claim 1 , wherein ignition of the internal combustion engine is inhibited if the current revolution rate (NEMot) of the electric motor claim 1 , is less than an idling revolution rate of the internal combustion engine.4. The method as claimed in claim 1 , wherein in an absence of a limit on the revolution rate (NIce) of the internal combustion engine to the current revolution rate (NEMot) of the electric motor when it exceeds the revolution rate of the ...

Apparatus and method for preventing shut down in limphome driving

An apparatus and method for preventing a shut down in limphome driving are provided. The apparatus includes an engine clutch and a hybrid control unit (HCU) that is configured to operate a vehicle by dualizing a driving of the vehicle into a normal driving control and a limphome driving control. When the driving of the vehicle is in the limphome driving control, the HCU is configured to reduce a vehicle speed and perform a control right shift based on a status of the engine clutch. In addition, an engine control unit (ECU) is configured to compare a current engine revolution per minute (RPM) with a targeted engine RPM based on the control right shift to operate the engine to adjust the engine RPM to reach the targeted engine RPM.

Method for limiting engine torque when error occurs in water sensor of fuel filter

A method for limiting an engine torque when a failure occurs in a water sensor of a fuel filter includes sensing the failure of the water sensor installed in the fuel filter through a failure diagnosis logic in a diesel hybrid vehicle. A current vehicle driving mode is checked when the failure of the water sensor is sensed. Whether or not a first time period elapses a first delay time after sensing the failure of the water sensor when the current vehicle driving mode is an engine driving mode is determined. The engine torque is limited and reduced when the first time period elapses the first delay time.

FAILURE DETERMINATION DEVICE OF HYBRID VEHICLE AND ITS FAILURE DETERMINATION METHOD

A failure determination device of a hybrid vehicle, includes an engine, a motor arranged in series with the engine, a clutch arranged between the motor and a driving wheel, a pressure adjusting mechanism that adjusts hydraulic pressure supplied to the clutch, and that performs wet start clutch control for adjusting the hydraulic pressure, supplied to the clutch at least upon starting, to the hydraulic pressure causing the clutch to slip, and a controller configured to calculate required driving force on the basis of accelerator opening, and calculate torque capacity of the clutch, required for transmitting the required driving force by the clutch, as target torque capacity, calculate actual torque of the engine and actual torque of the motor, and calculate a torque deviation as a deviation between the target torque capacity and a sum of the actual torque of the engine and the actual torque of the motor. 16.-. (canceled)7. A failure determination device of a hybrid vehicle , comprising:an engine;a motor arranged in series with the engine;a clutch arranged between the motor and a driving wheel;a pressure adjusting mechanism that adjusts hydraulic pressure supplied to the clutch, and that performs wet start clutch control for adjusting the hydraulic pressure, supplied to the clutch at least upon starting, to the hydraulic pressure causing the clutch to slip; and calculate required driving force on the basis of accelerator opening, and calculate torque capacity of the clutch, required for transmitting the required driving force by the clutch, as target torque capacity,', 'calculate actual torque of the engine and actual torque of the motor,', 'calculate a torque deviation as a deviation between the target torque capacity and a sum of the actual torque of the engine and the actual torque of the motor, and', 'determine occurrence of an engagement failure of the clutch when the torque deviation becomes greater than a first fault determination value during the wet start ...

FAIL-SAFE CONTROL METHOD FOR HYBRID ELECTRIC VEHICLE

A fail-safe control method for a hybrid electric vehicle is carried out based on a power transmission system of an engine, which is used to control the speed of the engine. When one of a plurality of motor-generators of the power transmission system malfunctions, the vehicle is controlled to be driven in a limp-home mode, thereby ensuring vehicle driving reliability and preventing the vehicle from becoming inoperable. 1. A fail-safe control method for a hybrid electric vehicle including a first motor-generator for controlling a speed of an engine , a second motor-generator for generating power for driving the vehicle , and a planetary gear set for connecting the first motor-generator and the second motor-generator to the engine , the fail-safe control method comprising:upon detecting occurrence of a malfunction of the first motor-generator, determining, by a control unit, a driving mode of the vehicle before the occurrence of the malfunction; andupon determining that the driving mode of the vehicle before the occurrence of the malfunction is an electric vehicle (EV) mode for driving the vehicle using power of the second motor-generator, when the malfunction of the first motor-generator occurs, fixing a gear ratio between the engine and the second motor-generator by engaging an overdrive (OD) brake connected with the first motor-generator and operating the engine using power of the second motor-generator.2. The fail-safe control method of claim 1 , wherein claim 1 , in operating the engine claim 1 , when revolutions per minute (RPM) of the first motor-generator falls below a predetermined value for determining whether rotation of the first motor-generator is stopped claim 1 , the gear ratio between the engine and the second motor-generator is fixed by engaging the OD brake.3. The fail-safe control method of claim 2 , wherein claim 2 , in operating the engine claim 2 , when a speed of the vehicle is equal to or greater than a first reference value after the OD brake ...

RUNTIME VERIFICATION OF SHUTOFF CONTROL LINE INTEGRITY IN A HYBRID VEHICLE SYSTEM

A control system and diagnostic method for a hybrid vehicle having a hybrid powertrain each utilize a controller comprising (i) a hybrid control processor (HCP) and (ii) a motor control processor (MCP), a monitoring circuit that is distinct from the controller and is configured to monitor operation of the HCP and the MCP, and a gate drive circuit that is distinct from the controller and the monitoring circuit and is configured to enable/disable torque output by the hybrid powertrain based on first, second, and third independent shutoff signals. A diagnostic method performs a shutoff line integrity verification routine by performing six steps corresponding to different combinations of shutoff signals in a predetermined test sequence. These shutoff signals are provided to three independent shutoff lines, which are connected between (i) the gate drive circuit and (ii) the HCP, the MCP, and the monitoring circuit, respectively. 1. A control system for a hybrid vehicle having a hybrid powertrain including an engine and an electrically variable transmission (EVT) having first and second electric motors , the control system comprising:a controller including (i) a hybrid control processor (HCP) and (ii) a motor control processor (MCP), wherein the HCP is configured to determine a torque contribution from the engine and the first and second electric motors and to generate corresponding commands, and wherein the MCP is configured to control the first and second electric motors in response to the commands from the HCP;a monitoring circuit that is distinct from the controller and is configured to monitor operation of the HCP and the MCP;a gate drive circuit that is distinct from the controller and the monitoring circuit and is configured to enable/disable torque output by the hybrid powertrain based on first, second, and third independent shutoff signals; andfirst, second, and third independent shutoff lines connected between (i) the gate drive circuit and (ii) the HCP, the MCP ...

APPARATUS AND METHOD FOR CONTROLLING DRIVING OF VEHICLE, AND VEHICLE SYSTEM

An apparatus and method for controlling driving of a vehicle, and a vehicle system are provided. The apparatus according to the present disclosure includes a determination device that determines a closed state of an engine clutch, based on a state of a motor or an engine of the vehicle when a state of the engine clutch is unknown by an engine clutch controller. A state determination device receives information from the determination device to thus determine whether the engine clutch is in a closed or open state. A motor controller allows reverse rotation of the motor for reverse driving control of the vehicle in response to determining that the engine clutch is in the open state. 1. An apparatus for controlling driving of a vehicle , comprising:a determination device configured to determine a closed state of an engine clutch, based on a state of a motor or an engine of the vehicle when a state of the engine clutch is unknown by an engine clutch controller;a state determination device configured to receive state information from the determination device to determine whether the engine clutch is in a closed state or an open state; anda motor controller configured to allow reverse rotation of the motor for reverse driving control of the vehicle in response to determining that the engine clutch is in the open state.2. The apparatus of claim 1 , further comprising:a driving controller configured to adjust a hybrid starter generator (HSG) speed and a motor torque when a reverse (R) stage signal is applied with the state of the engine clutch unknown.3. The apparatus of claim 2 , wherein the driving controller is configured to adjust the HSG speed to 0 and the motor torque to a first torque within an HSG torque range.4. The apparatus of claim 3 , wherein the first torque has a negative value.5. The apparatus of claim 3 , wherein the determination device is configured to determine the closed state of the engine clutch based on a change in an HSG torque claim 3 , with the HSG ...

METHOD AND SYSTEM FOR CONTROLLING MOTOR

A method and a system for controlling a motor are provided to allow for a limp home function when an error occurs in a Hall effect sensor that detects the position of a rotor while operating a motor used for an automotive electric water pump. The method includes determining an output error of a Hall effect sensor and stopping adjustment a speed of the motor based on output of the Hall effect sensor, in response to detecting an output error of the Hall effect sensor. Additionally, the method includes adjusting the speed of the motor based on a counter electromotive force generated by a plurality of stator coils having different phases in the motor. 1. A method of controlling a motor , comprising:detecting, by a controller, an output error of a Hall effect sensor configured to detect a position of a rotor of a motor;stopping, by the controller, adjustment of a speed of the motor based on output of the Hall effect sensor, in response to detecting the output error of the Hall effect sensor; andadjusting, by the controller, the speed of the motor based on a counter electromotive force generated by a plurality of stator coils having different phases in the motor.2. The method of claim 1 , wherein when the output of the Hall effect sensor is the same for all phases of the motor claim 1 , the output error of the Hall effect sensor is detected.3. The method of claim 2 , wherein when the output from the Hall effect sensor is continuously the same over a predetermined number of times claim 2 , the output error of the Hall effect sensor is detected.4. The method of claim 1 , wherein the motor is operated at a predetermined speed by providing predetermined polarities to a plurality of stator coils having different phases.5. The method of claim 1 , further comprising:detecting, by the controller, a counter electromotive force of any one phase of phases of a plurality of coils in the motor;estimating, by the controller, a counter electromotive force of another phases using the ...

CONTROL DEVICE FOR HYBRID VEHICLE

When an engine is stopped in a state in which a supercharger is overheated (step S: YES), a control device performs rotation processing for rotating a crankshaft of the engine under a condition in which the supply of fuel to the engine is stopped (step S). After the rotation processing is ended (step S: YES), the control device performs engine stop processing for stopping the rotation of the crankshaft (step S). 1. A controller for a hybrid vehicle provided with an engine including an exhaust gas type forced induction device and a motor coupled to an output shaft of the engine , whereinthe motor has a power generating function for generating power with torque of the engine, and the power generated by the motor is stored in a battery; if a state of charge of the battery is higher than or equal to a specified level, the controller is configured to perform motoring that rotates the output shaft with the motor under a condition in which supply of fuel to the engine is stopped and then end the motoring, and', 'if the state of charge of the battery is lower than the specified level, the controller is configured to perform a load operation with the engine to have the motor generate power with the torque of the engine before stopping the supply of fuel to the engine to stop the engine., 'when stopping the engine under a situation in which the forced induction device is overheated,'}2. The controller for a hybrid vehicle according to claim 1 , whereinthe hybrid vehicle includes one or more motors serving as the motor; and if the state of charge of the battery is higher than or equal to the specified level, the controller is configured to perform the motoring until a predetermined period elapses from when the travelling mode is shifted and then end the motoring, and', 'if the state of charge of the battery is lower than the specified level, the controller is configured to perform the load operation with the engine until a predetermined period elapses from when the travelling ...

DRIVING SYSTEM FOR VEHICLE

In a vehicle that includes an engine including a starter, an automatic transmission unit having an input shaft coupled to an output shaft of the engine via a first clutch, and a motor generator (hereinafter, referred to as “MG”) coupled to the input shaft of the automatic transmission unit via a second clutch, an electronic control unit starts up the engine with the use of the starter in a state where the MG is disconnected from the engine by releasing at least one of the first clutch or the second clutch when an IG-on operation has been made in an IG-off state (a state where the vehicle is stopped in a P range) and a power control unit that supplies electric power to the MG has a failure. 1. A driving system for a vehicle , the vehicle including an engine ,an automatic transmission including an input shaft connected to an output shaft of the engine,a power control circuit,a motor generator connected to the input shaft of the automatic transmission, the motor generator being configured to operate on electric power that is supplied from the power control circuit,a rotary electric machine configured to start up the engine by operating on electric power different from the electric power that is supplied from the power control circuit, anda clutch mechanism configured to transmit power between the engine and the motor generator or interrupt transmission of power between the engine and the motor generator, the driving system comprising:at least one electronic control unit configured to control the engine, the rotary electric machine and the clutch mechanism, i) determine whether or not the power control circuit has a failure, and', 'ii) when the power control circuit has the failure, execute start-up control, the start-up control being control for starting up the engine by operating the rotary electric machine in a state where the clutch mechanism is released., 'the electronic control unit being configured to'}2. The driving system according to claim 1 , whereinthe ...