Wheel load estimation method for four-wheel drive vehicle

A wheel load estimation method of a four-wheel drive vehicle driven by a rotational driving device comprises a correlation relationship setting step for previously setting a correlation relationship between a total weight and at least one of the front wheel load and the rear wheel load by variously changing a movable load of the vehicle, a total vehicle weight computation step for calculating a current total vehicle weight from an output torque of the rotational driving device and a longitudinal acceleration of the vehicle corresponding to the output torque, and a wheel load estimation step for estimating the wheel load of at least a driving wheel from the correlation relationship and the total vehicle weight.

METHOD OF CONTROLLING DRIVING FORCE OF VEHICLE

A method of controlling driving force of a vehicle includes estimating a first maximum road surface frictional coefficient based on a driving stiffness defined by a micro slip ratio and driving force of drive wheels, in a first driving state where the vehicle travels straight at a constant acceleration, estimating a second maximum road surface frictional coefficient based on a steering reaction force detected by an electric power steering device, in a second driving state different from the first state and where the vehicle is steered, estimating a third maximum road surface frictional coefficient to be a given value in a third driving state different from the first and second states and where an outdoor air temperature is above a determination temperature, and controlling the driving force to settle within a friction circle defined by each of the highest frictional coefficients and a ground contact load of the drive wheels. 1. A method of controlling a driving force of a vehicle , comprising:performing a first estimation in which a first maximum road surface frictional coefficient is estimated based on a driving stiffness defined by a micro slip ratio and the driving force of drive wheels, in a first driving state where the vehicle travels straight at a constant acceleration;performing a second estimation in which a second maximum road surface frictional coefficient is estimated based on a steering reaction force detected by an electric power steering device, in a second driving state different from the first driving state and where the vehicle is steered;performing a third estimation in which a third maximum road surface frictional coefficient is estimated to be a given value in a third driving state different from the first and second driving states and where a temperature of outdoor air is above a determination temperature; andperforming a driving force control in which the driving force of the drive wheels is controlled to settle within a friction circle ...

VEHICLE DRIVING FORCE CONTROL DEVICE

The vehicle driving force control device comprises: a behavior control mechanism for reducing a driving force of an engine according to a steering speed; a driving force distribution mechanism for distributing the driving force of the engine to rear road wheels; and an ECU for controlling the mechanisms. The behavior control mechanism reduces the driving force by a target torque reduction amount set based on the steering speed, to thereby generate a deceleration, and the driving force distribution mechanism distributes the driving force to the front road wheels and the rear road wheels based on a distribution rate set for the rear road wheels depending on a traveling state, and the ECU corrects the distribution rate based on the target torque reduction amount during cornering of the vehicle. 1. A vehicle driving force control device , comprising:a steering angle sensor configured to detect a steering angle of a vehicle according to an operation of a steering wheel;a driving force distribution device configured to distribute a driving force of a drive source to a pair of front road wheels as main drive wheels and a pair of rear road wheels as subordinate drive wheels; anda controller configured to control the drive source and the driving force distribution device, to reduce the driving force by a target torque reduction amount which is set based on a steering speed according to the steering angle detected by the steering angle sensor, in order to generate a deceleration of the vehicle;', 'to distribute the driving force of the drive source to the pair of front road wheels and the pair of rear road wheels, on the basis of a target distribution amount which is set for the pair of rear road wheels depending on a traveling state; and', 'to correct the target distribution amount based on the target torque reduction amount when the vehicle turns., 'wherein the controller is configured2. The vehicle driving force control device according to claim 1 , wherein the controller ...

CONTROL SYSTEM FOR VEHICLE

A control system for a vehicle is provided, which includes a steering wheel configured to be operated by a driver, a steering angle sensor configured to detect a steering angle corresponding to operation of the steering wheel, and a controller configured to set an additional deceleration to be applied to the vehicle based on the steering angle detected by the steering angle sensor to control a vehicle posture when the steering wheel is turned, and applies the additional deceleration to the vehicle. The controller sets the additional deceleration larger when the vehicle travels off road than when the vehicle does not travel off road. 1. A control system for a vehicle , comprising:a steering wheel configured to be operated by a driver;a steering angle sensor configured to detect a steering angle corresponding to operation of the steering wheel; anda controller configured to set an additional deceleration to be applied to the vehicle based on the steering angle detected by the steering angle sensor to control a vehicle posture when the steering wheel is turned, and applies the additional deceleration to the vehicle,wherein the controller sets the additional deceleration larger when the vehicle travels off road than when the vehicle does not travel off road.2. The control system of claim 1 , further comprising a switch for selecting at least an off-road traveling mode as a traveling mode of the vehicle claim 1 ,wherein, when the off-road traveling mode is selected by the switch, the controller sets the additional deceleration larger than the additional deceleration when the off-road traveling mode is not selected.3. The control system of claim 2 , wherein the controller increases the additional deceleration as the steering angle detected by the steering angle sensor increases claim 2 , and sets the additional deceleration larger when the vehicle travels off road than when the vehicle does not travel off road claim 2 , when compared at the same steering angle.4. The ...

Control system for vehicle

A control system for a vehicle is provided, which includes an accelerator pedal and a steering wheel configured to be operated by a driver, an accelerator opening sensor configured to detect an accelerator opening corresponding to operation of the accelerator pedal, a steering angle sensor configured to detect a steering angle corresponding to operation of the steering wheel, and a controller configured to set an additional deceleration to be applied to the vehicle in order to control a posture of the vehicle based on the detected steering angle, when the steering wheel is turned, and apply the additional deceleration to the vehicle. The controller sets the additional deceleration based on the detected accelerator opening, in addition to the steering angle, and sets the additional deceleration larger while the vehicle is towing than while the vehicle is not towing, when the additional decelerations are compared at the same accelerator opening.

VEHICLE SYSTEM

A vehicle system comprises an engine driving a vehicle, a front wheel and a rear wheel, a suspension device with an attachment portion to a vehicle body which is located at a higher level than a center axis of the rear wheel, an electromagnetic coupling to distribute a torque of the engine to the front wheel and the rear wheel, a steering wheel to be operated by a driver, a steering angle sensor to detect a steering angle corresponding to operation of the steering wheel, and a controller to control the engine and the electromagnetic coupling. The controller is configured to control the electromagnetic coupling such that the torque distributed to the rear wheel is decreased in accordance with returning operation of the steering wheel which is detected by the steering angle sensor. 1. A vehicle system , comprising:a power source to drive a vehicle;a front wheel and a rear wheel;a suspension device provided with an attachment portion where the suspension device is attached to a vehicle body, the attachment portion being located at a higher level than a center axis of the rear wheel;a torque distributing mechanism to distribute a torque of the power source to the front wheel and the rear wheel;a steering wheel to be operated by a driver;a steering angle sensor to detect a steering angle which corresponds to operation of the steering wheel; anda controller to control the power source and the torque distributing mechanism,wherein said controller is configured to control said torque distributing mechanism such that the torque distributed to said rear wheel is decreased in accordance with returning operation of the steering wheel which is detected by said steering angle sensor.2. The vehicle system of claim 1 , wherein a brake device is provided at each of said front wheel and said rear wheel claim 1 , and said controller is configured to control said brake device which is provided at a turning outer wheel such that a yaw moment which has an opposite direction to a yaw rate ...

Vehicle system

A vehicle system comprises an engine driving a vehicle, a front wheel and a rear wheel, a suspension device with an attachment portion to a vehicle body which is located at a higher level than a center axis of the rear wheel, an electromagnetic coupling to distribute a torque of the engine to the front wheel and the rear wheel, a steering wheel to be operated by a driver, a steering angle sensor to detect a steering angle corresponding to operation of the steering wheel, and a controller to control the engine and the electromagnetic coupling. The controller is configured to control the electromagnetic coupling such that the torque distributed to the rear wheel is increased in accordance with turning operation of the steering wheel which is detected by the steering angle sensor.

Driving force control method and system for vehicle

A driving force control device 1 for a vehicle V comprises: a D-μ map M 1 defining a linear correlation between a driving stiffness D and a maximum road surface μ; a slip ratio calculation circuit 21 for calculating a slip ratio S of one of a pair of front road wheels 10 L, 10 R; a DS calculation circuit 22 for calculating the driving stiffness D corresponding to a value the slip ratio S calculated by the slip ratio calculation circuit 21 ; a maximum road surface μ calculation circuit 23 for assigning a value of the driving stiffness D calculated by the DS calculation circuit 22 to the D-μ map M 1 to calculate the maximum road surface μ; and a driving force distribution circuit 24 for controlling a driving force, using a value of the maximum road surface μ calculated by the maximum road surface μ calculation circuit 23.

VEHICLE SYSTEM

A vehicle system includes a drive source configured to generate torque for driving a vehicle, wheels including rear wheels that are primary driving wheels and front wheels that are auxiliary driving wheels, a torque distribution mechanism configured to distribute the torque of the drive source to the front wheels and the rear wheels, a steering wheel configured to be operated by a driver, and a controller configured to control at least the torque distribution mechanism. When the steering wheel is steered in reverse and a yaw rate difference related value related to a difference between a target yaw rate to be generated on the vehicle according to the steering of the steering wheel and an actual yaw rate actually generated on the vehicle is greater than or equal to a first predetermined value, the controller controls the torque distribution mechanism to reduce the torque distributed to the rear wheels. 1. A vehicle system , comprising:a drive source configured to generate torque for driving a vehicle;wheels including rear wheels that are primary driving wheels and front wheels that are auxiliary driving wheels;a torque distribution mechanism configured to distribute the torque of the drive source to the front wheels and the rear wheels;a steering wheel configured to be operated by a driver; anda controller configured to control at least the torque distribution mechanism,wherein when the steering wheel is steered in reverse and a yaw rate difference related value related to a difference between a target yaw rate to be generated on the vehicle according to the steering of the steering wheel and an actual yaw rate actually generated on the vehicle is greater than or equal to a first predetermined value, the controller controls the torque distribution mechanism to reduce the torque distributed to the rear wheels among the torque of the drive source.2. The vehicle system of claim 1 , further comprising a brake apparatus configured to apply a braking force to the wheels ...

Method of controlling driving force

A method of controlling a driving force of a four-wheel drive vehicle includes causing a control unit to acquire a vehicle speed, a lateral acceleration, a driving force of a wheel, a road surface friction coefficient, and a ground contact load of the wheel when the vehicle is traveling, determine whether a road surface is rough based on the acquired road surface condition, correct, when the road surface is determined to be rough, the load of the wheel, by applying thereto a load change rate set according to the roughness, predict a slip occurrence of the wheel by comparing a product of the corrected load and the road surface friction coefficient to a total force of the driving force and a lateral force caused by a lateral acceleration in cornering, and reduce, when the slip occurrence is predicted, the driving force so as to prevent the slip occurrence.

Driving force distribution control device

A driving force distribution control device mounted on a four-wheel drive vehicle is provided. A coupling mechanism controller connects a drive shaft with an auxiliary driving wheel and sets a fastening force as a first fastening force, when an increase rate in an accelerator opening becomes more than a given value and a vehicle speed is below a given first speed, and changes the fastening force from the first fastening force to a second fastening force, when a slip of at least one of main driving wheels is detected after the fastening force is set to the first fastening force, and before a given time period has lapsed from the setting of the fastening force, or before the vehicle speed becomes faster than a given second speed. The second fastening force at least immediately after the change of the fastening force is a value larger than the first fastening force.

Method of controlling driving force of vehicle

A method of controlling driving force of a vehicle includes estimating a first maximum road surface frictional coefficient based on a driving stiffness defined by a micro slip ratio and driving force of drive wheels, in a first driving state where the vehicle travels straight at a constant acceleration, estimating a second maximum road surface frictional coefficient based on a steering reaction force detected by an electric power steering device, in a second driving state different from the first state and where the vehicle is steered, estimating a third maximum road surface frictional coefficient to be a given value in a third driving state different from the first and second states and where an outdoor air temperature is above a determination temperature, and controlling the driving force to settle within a friction circle defined by each of the highest frictional coefficients and a ground contact load of the drive wheels.

Vehicle driving power control method and device therefor

A driving force control device 1 for a vehicle V comprises: a D-µ map M1 defining a linear correlation between a driving stiffness D and a maximum road surface µ; a slip ratio calculation circuit 21 for calculating a slip ratio S of one of a pair of front road wheels 10L, 10R; a DS calculation circuit 22 for calculating the driving stiffness D corresponding to a value the slip ratio S calculated by the slip ratio calculation circuit 21; a maximum road surface µ calculation circuit 23 for assigning a value of the driving stiffness D calculated by the DS calculation circuit 22 to the D-µ map M1 to calculate the maximum road surface µ; and a driving force distribution circuit 24 for controlling a driving force, using a value of the maximum road surface µ calculated by the maximum road surface µ calculation circuit 23.

Drive force control method

【課題】前輪差動ギヤ装置におけるデフキャリアから前輪内輪側サイドギヤに付加される付加駆動力を加味して前輪内輪のスリップ発生可能性を判定し、前輪駆動力を制御したり、後輪へ分配する駆動力を制御したりする駆動力制御方法を提供すること。【解決手段】前輪駆動車の前輪駆動力を制御する駆動力制御方法において、旋回走行時の前輪内輪の駆動力の値を、前輪差動ギヤ装置の内輪側サイドギヤにデフキャリアから付加される付加駆動力を加味して補正する駆動力補正ステップと、前輪内輪の接地荷重と、路面摩擦係数と、前輪内輪に作用する横力と、前記駆動力補正手段により補正された前輪駆動力とに基づいて、前輪内輪のスリップ発生の可能性の有無を判定する判定ステップと、前記判定ステップによりスリップ発生の可能性ありと判定された場合に、前記駆動手段の出力を減少側へ制御する駆動力制御ステップとを備えている。【選択図】図５

四輪駆動車の車輪荷重推定方法

【課題】車両の積載荷重を種々変化させた総重量と、前輪車輪荷重と後輪車輪荷重の少なくとも一方の予め設定した相関関係を用いて四輪駆動車の車輪荷重を推定する方法を提供する。【解決手段】回転駆動手段(6)により駆動される四輪駆動車の車輪荷重推定方法において、車両の積載荷重を種々変化させた総重量(W)と、前輪車輪荷重(Wf) と後輪車輪荷重 (Wr) の少なくとも一方の相関関係を予め設定する相関関係設定ステップと、前記回転駆動手段(6)の出力トルクとこの出力トルクに対応する車両前後加速度とから現在の車両総重量を演算する車両総重量演算ステップと、前記相関関係と車両総重量とから、少なくとも駆動輪の車輪荷重を推定する車輪荷重推定ステップとを備えている。【選択図】 図３

Vehicle system

A vehicle system comprises an engine driving a vehicle, a front wheel and a rear wheel, a suspension device with an attachment portion to a vehicle body which is located at a higher level than a center axis of the rear wheel, an electromagnetic coupling to distribute a torque of the engine to the front wheel and the rear wheel, a steering wheel to be operated by a driver, a steering angle sensor to detect a steering angle corresponding to operation of the steering wheel, and a controller to control the engine and the electromagnetic coupling. The controller is configured to control the electromagnetic coupling such that the torque distributed to the rear wheel is increased in accordance with turning operation of the steering wheel which is detected by the steering angle sensor.

Vorrichtung zur steuerung von fahrzeugantriebskraft

Vorrichtung zur Steuerung von Fahrzeugantriebskraft, umfassend:einen Lenkwinkelsensor, der konfiguriert ist, um einen Lenkwinkel eines Fahrzeugs gemäß einer Betätigung eines Lenkrads zu detektieren;eine Antriebskraftverteilungsvorrichtung, die konfiguriert ist, um eine Antriebskraft einer Antriebsquelle zu einem Paar von vorderen Laufrädern als Hauptantriebsräder und einem Paar von hinteren Laufrädern als untergeordnete Antriebsräder zu verteilen; undein Steuergerät, das ausgelegt ist, um die Antriebsquelle und die Antriebskraftverteilungsvorrichtung zu steuern,wobei das Steuergerät ausgelegt ist:um die Antriebskraft um einen Solldrehmomentreduzierungsbetrag zu reduzieren, der basierend auf einer Lenkgeschwindigkeit gemäß dem vom Lenkwinkelsensor detektierten Lenkwinkel eingestellt wird, um eine Verzögerung des Fahrzeugs zu erzeugen;um die Antriebskraft der Antriebsquelle zu dem Paar vorderer Laufräder und dem Paar hinterer Laufräder auf der Grundlage eines Sollverteilungsbetrags zu verteilen, der für das Paar hinterer Laufräder in Abhängigkeit von einem Fahrzustand eingestellt wird; undum bei der Kurvenfahrt des Fahrzeugs den Sollverteilungsbetrag basierend auf dem Solldrehmomentreduzierungsbetrag zu korrigieren.

車両の後輪駆動装置取付構造

【課題】車両前突時における後輪駆動装置による下方回動を確実に実現でき、乗員への衝撃を軽減できる車両の後輪駆動装置取付構造を提供する。【解決手段】車体後部に設けられた差動装置１と、車体前部に設けられたパワーユニット２の駆動力を差動装置１に伝達する車体前後方向に延びるプロペラシャフト５と、差動装置１の後端部にプロペラシャフト５の軸心Ｃに対して車幅方向と上下方向にオフセットさせて設けられたマウント連結部５１と、マウント連結部５１の後端部から後方へ延びるボルト部材５２と、ボルト部材５２の後端側部分に略同軸状態で取り付けられたマウント部材５３と、マウント部材５３を補助メンバ１６に固定する取付ブラケット５４とを備え、取付ブラケット５４の車幅方向外側部分にマウント連結部５１と重なり合う延長部５４ｃを設けた。【選択図】 図４

四輪駆動車の制御装置及び四輪駆動車

【課題】広範囲の車速域にわたって車両姿勢がアンダーステア傾向になることを緩和する。【解決手段】コントローラ１００は、四輪駆動車１が旋回中である場合、車速センサ値と、操舵角センサ値とに基づいて目標ヨーレート及び目標横Ｇをそれぞれ設定する。コントローラ１００は、目標ヨーレートに基づいて後輪１２Ｒへの分配トルクである第１分配トルクを設定し、且つ、目標横Ｇに基づいて後輪１２Ｒへの分配トルクである第２分配トルクを設定する。コントローラ１００は、第１ゲインと第２ゲインとのうち大きい方のゲインを選択し、大きい方のゲインを用いて後輪１２Ｒへの分配トルクを設定する。【選択図】図２

Driving force distribution control device

A driving force distribution control device mounted on a four-wheel drive vehicle is provided. A coupling mechanism controller connects a drive shaft with an auxiliary driving wheel and sets a fastening force as a first fastening force, when an increase rate in an accelerator opening becomes more than a given value and a vehicle speed is below a given first speed, and changes the fastening force from the first fastening force to a second fastening force, when a slip of at least one of main driving wheels is detected after the fastening force is set to the first fastening force, and before a given time period has lapsed from the setting of the fastening force, or before the vehicle speed becomes faster than a given second speed. The second fastening force at least immediately after the change of the fastening force is a value larger than the first fastening force.

Hybrid vehicle system

A hybrid vehicle system is configured to be capable of switching among four or more of a plurality of traveling modes including a hybrid electric vehicle (HEV) mode and an electric vehicle (EV) mode, and includes one toggle switch for selecting any one of the plurality of traveling modes and a controller. The controller selects the plurality of traveling modes in sequence whenever the toggle switch accepts each of operations to a first direction and a second direction. The HEV mode is set to be changed to different traveling modes between when the toggle switch accepts one or a plurality of operations to the first direction and when the toggle switch accepts an operation to the second direction, and the HEV mode and the EV mode are set to be continuous in an order of selection by the controller.

Vehicle system

Verfahren zum Steuern bzw. Regeln der Fahrzeugantriebskraft, Computerprogrammprodukt und Kraftfahrzeug

Verfahren zum Steuern bzw. Regeln einer Antriebskraft (F) eines Fahrzeugs, umfassend:Vornehmen (S3) einer ersten Schätzung, bei der ein erster maximaler Straßenoberflächen-Reibungskoeffizient (µmax) auf Grundlage einer Antriebssteifigkeit (D) geschätzt wird, die durch ein Mikroschlupfverhältnis (S) und die Antriebskraft (F) von Antriebsrädern (2a, 2b; 2c, 2d) definiert ist, in einem ersten Fahrzustand, in dem das Fahrzeug im Wesentlichen mit einer konstanten Beschleunigung geradeaus fährt;Vornehmen (S5) einer zweiten Schätzung, bei der ein zweiter maximaler Straßenoberflächen-Reibungskoeffizient (µmax) auf Grundlage einer Lenkreaktionskraft (Fst) geschätzt wird, die von einer elektrischen Servolenkvorrichtung erfasst wird, in einem zweiten Fahrzustand, der sich vom ersten Fahrzustand unterscheidet und in dem das Fahrzeug gelenkt wird;Vornehmen (S7) einer dritten Schätzung, bei der ein dritter maximaler Straßenoberflächen-Reibungskoeffizient (µmax) auf einen bestimmten Wert geschätzt wird, in einem dritten Fahrzustand, der sich vom ersten und zweiten Fahrzustand unterscheidet und bei dem eine Außenlufttemperatur über einer Bestimmungstemperatur liegt, undVornehmen (S9 bis S11) einer Antriebskraftsteuerung bzw. -regelung, bei der die Antriebskraft (F) der Antriebsräder (2a, 2b; 2c, 2d) so gesteuert bzw. geregelt wird, dass sie innerhalb eines Reibungskreises liegt, der durch jeden der maximalen Straßenoberflächen-Reibungskoeffizienten (µmax) und eine Bodenkontaktlast (W) der Antriebsräder (2a, 2b; 2c, 2d) definiert ist.

駆動力配分制御装置

【課題】四輪駆動車の主駆動輪にスリップが発生したときに、四輪駆動車にショックが生じるのを抑制しながら、そのスリップを速やかに解消可能な駆動力配分制御装置を提供する。【解決手段】カップリング機構制御手段が、車速が第１所定車速以下であるときにおいて、アクセル開度の上昇速度が所定値以上になったときに、駆動軸と補助駆動輪とを締結しかつ締結力を第１締結力に設定するとともに（ステップＳ５）、その設定後において、該設定から所定時間が経過する前に、又は、車速が、上記第１所定車速よりも大きい第２所定車速以上になる前に、少なくとも一方の主駆動輪のスリップが検出されたときには、上記締結力を上記第１締結力から第２締結力に変更する（ステップＳ９）。この変更された少なくとも直後における第２締結力は、上記第１締結力よりも大きい値である。【選択図】図５

Verfahren zum Regeln bzw. Steuern einer Antriebskraft, Antriebskraft-Regel- bzw. Steuervorrichtung, Fahrzeug mit Vierradantrieb und Computerprogrammprodukt

Ein Verfahren zum Regeln bzw. Steuern einer Antriebskraft eines Fahrzeugs mit Vierradantrieb beinhaltet ein Veranlassen einer Regel- bzw. Steuereinheit, eine Fahrzeuggeschwindigkeit, eine laterale Beschleunigung, eine Antriebskraft eines Rads, einen Straßenoberflächen-Reibungskoeffizienten und eine Bodenkontaktbelastung des Rads zu erhalten, wenn das Fahrzeug fährt, zu bestimmen, ob eine Straßenoberfläche rau ist, basierend auf dem erhaltenen Straßenoberflächenzustand, wenn für die Straßenoberfläche bestimmt wird, dass sie rau ist, die Last des Rads durch ein Anwenden darauf einer Laständerungsrate zu korrigieren, welche entsprechend der Rauheit festgelegt wird, ein Auftreten eines Rutschens des Rads vorherzusagen, indem ein Produkt der korrigierten Last und des Straßenoberflächen-Reibungskoeffizienten mit einer gesamten Kraft der Antriebskraft und einer lateralen Kraft verglichen wird, welche durch eine laterale Beschleunigung bei einem Kurvenfahren bewirkt wird, und, wenn das Auftreten eines Rutschens vorhergesagt wird, die Antriebskraft zu reduzieren, um das Auftreten eines Rutschens zu verhindern.

ハイブリッド車両システム

【課題】４つ以上の走行モードに切替可能なハイブリッド車両システムにおいて、モード間の切り替えを行う際の操作性を向上させる。【解決手段】ハイブリッド車両システムは、ＨＥＶモードとＥＶモードとを含んだ４つ以上の複数の走行モードの間で切替可能に構成され、かつ該複数の走行モードのいずれかを択一的に選択するための一のトグルスイッチ３６と、コントローラ２０とを備える。コントローラ２０は、トグルスイッチ３６が第１方向及び第２方向への各操作を受け付ける度に、複数の走行モードを順番に選択し、ＨＥＶモードは、トグルスイッチ３６が第１方向への一又は複数回の操作を受け付けたときと、トグルスイッチ３６が第２方向への操作を受け付けたときとで、それぞれ異なる走行モードに変更されるように設定されているとともに、ＨＥＶモード及びＥＶモードは、コントローラ２０によって選択される順番が連続するように設定されている【選択図】図８

車両のデファレンシャル構造

【課題】デファレンシャル機構を小型化する。【解決手段】デフケース３５を支持する軸方向一方側の軸受部材４１のインナーレース４１ａは、軸方向一方側の円筒部３９に取り付けられ、アウターレース４１ｂは、デフケース本体４３の筒状部４９に取り付けられている。フランジ部４５を挟んだ軸方向の一方側の外周面５１ａは、他方側の外周面５１ｂよりも径方向の内方に位置し、リングギヤ１９は、フランジ部４５の軸方向一方側に配置されると共に、内周端１９ｂが軸方向他方側の外周面５１ｂよりも径方向の内方に位置している。ボルト５３は、リングギヤ１９からフランジ部４５に向かって軸方向に締結して、ボルト頭部５３ａは、リングギヤ１９の軸方向一方側に位置している。【選択図】図２

Driving force distribution control system for vehicle

A driving force distribution control system for a four-wheel drive vehicle is provided. The four-wheel drive vehicle uses front wheels as main driving wheels, and when a towed vehicle is coupled to a coupling part provided to a rear part of the four-wheel drive vehicle, the towed vehicle has the center of gravity position so that a downward load in a vehicle up-and-down direction is applied to the rear part of the vehicle through the coupling part. A driving force distribution control device includes a towing determination module configured to determine whether the vehicle is towing the towed vehicle, and when it is determined that the vehicle is towing the towed vehicle, a driving force distribution control device controls the driving force distributing device so that the driving force distributing amount to rear wheels becomes larger than that when the four-wheel drive vehicle is not towing the towed vehicle.

Driving force distribution control system for vehicle

A driving force distribution control system for a four-wheel drive vehicle is provided. The four-wheel drive vehicle uses front wheels as main driving wheels, and when a towed vehicle is coupled to a coupling part provided to a rear part of the four-wheel drive vehicle, the towed vehicle has the center of gravity position so that a downward load in a vehicle up-and-down direction is applied to the rear part of the vehicle through the coupling part. A driving force distribution control device includes a towing determination module configured to determine whether the vehicle is towing the towed vehicle, and when it is determined that the vehicle is towing the towed vehicle, a driving force distribution control device controls the driving force distributing device so that the driving force distributing amount to rear wheels becomes larger than that when the four-wheel drive vehicle is not towing the towed vehicle.

Travel mode switching device for vehicle and display unit of the same

A travel mode switching device for a vehicle is provided, which is switchable between a plurality of travel modes including a sport travel mode and a towing travel mode. The device includes a travel mode selection interface that allows a driver to select one of the travel modes, a towing detection sensor that detects a towing state, and a processor configured to execute a travel mode switching module to switch the travel mode to the travel mode selected by the travel mode selection interface, and a travel mode regulating module to regulate the selection of the sport travel mode by the travel mode selection interface when the towing state is detected by the towing detection sensor, and regulate the selection of the towing travel mode by the travel mode selection interface when the towing state is not detected.

車両の駆動力配分制御システム

【課題】四輪駆動車において、牽引時かつ加速時に、接地荷重が減少する後輪のスリップを抑制することができる車両の駆動力配分制御システムを提供する。【解決手段】本発明による車両の駆動力配分制御システムは、前後輪の駆動力を配分する駆動力配分装置と、前後輪の駆動力配分量を制御する駆動力配分制御装置と、を備え、駆動力配分制御装置は、四輪駆動車が上記被牽引車を牽引しているか否かを判定する牽引判定手段と、ドライバの要求加速度を検出する要求加速度検出手段と、を備え、駆動力配分制御装置は、四輪駆動車が被牽引車を牽引していると判定され、かつ、ドライバの要求加速度が検出されているとき、ドライバの要求加速度が大きいほど四輪駆動車の後輪への駆動力配分量が小さくなるよう駆動力配分装置を制御するように構成されている。【選択図】図１