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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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03-05-2012 дата публикации

Method and system for determining a reference yaw rate for a vehicle

Номер: US20120109458A1
Автор: David M. Sidlosky
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

The method and system described herein may be used to determine a reference yaw rate (γ ref ) for a vehicle chassis control system, and may do so across a wide spectrum of vehicle operating conditions. These conditions may include, for example, when the vehicle is being driven: at low and high vehicle speeds, in forward and reverse directions, with front-, rear- and all-wheel steering systems, according to subtle and aggressive driving maneuvers, and on roads with flat or banked surfaces, to cite a few of the potential scenarios. According to an exemplary embodiment, the method and system take into account certain tire dynamics, such as the relaxation length (λ) of the tires, when estimating the reference yaw rate (γ ref ). Once an accurate reference yaw rate (γ ref ) is determined, the vehicle chassis control system may use this estimate to control one or more actuators that can influence the yaw rate of the vehicle. Some non-limiting examples of systems that may include such actuators are chassis systems, brake systems, steering systems, suspension systems, safety systems, stability control systems, traction control systems, torque control systems, or any other system that can affect the vehicle yaw rate. It is also possible for the method and system described herein to determine a reference lateral velocity (V yref ) for the vehicle as well.

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02-08-2012 дата публикации

System and method for adjusting braking pressure

Номер: US20120197507A1
Принадлежит: BENDIX COMMERCIAL VEHICLE SYSTEMS LLC

A vehicle control system includes a forward vehicle sensor transmitting a forward vehicle message based on a distance to a forward vehicle. An adaptive cruise controller receives the forward vehicle message and receives at least one additional message indicating a respective status of the vehicle, the adaptive cruise controller sets a braking pressure for an adaptive cruise controller braking event above a default braking pressure if the adaptive cruise controller determines, based on the at least one of the additional messages, that the vehicle will maintain stability during the adaptive cruise controller braking event.

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18-10-2012 дата публикации

Vehicle systems control for improving stability

Номер: US20120265402A1
Принадлежит: Honda Motor Co Ltd

Improved methods of controlling the stability of a vehicle are provided via the cooperative operation of vehicle stability control systems such as an Active Yaw Control system, Antilock Braking System, and Traction Control System. These methods use recognition of road surface information including the road friction coefficient (mu), wheel slippage, and yaw deviations. The methods then modify the settings of the active damping system and/or the distribution of drive torque, as necessary, to increase/reduce damping in the suspension and shift torque application at the wheels, thus preventing a significant shift of load in the vehicle and/or improving vehicle drivability and comfort. The adjustments of the active damping system or torque distribution temporarily override any characteristics that were pre-selected by the driver.

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15-11-2012 дата публикации

Vehicle control apparatus

Номер: US20120290179A1
Принадлежит: Toyota Motor Corp

Disclosed is a vehicle control apparatus which can prevent the deterioration of drivability. The ECU can set a control accelerator opening degree to be converted when a control permission condition is established. The control accelerator opening degree is equal to or larger than an accelerator lower limit which is larger than an idle determination value for determining an automatic stopping of an engine by an eco-run. The control accelerator opening degree thus set can prevent the drivability from being deteriorated without the automatic stopping of the engine being caused even if the accelerator opening degree is converted to reduce the torque of the engine with the establishment of the control permission condition.

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27-12-2012 дата публикации

Reducing The Steering Torque During Braking Maneuvers

Номер: US20120330525A1
Принадлежит: ROBERT BOSCH GMBH

A method for reducing the steering torque in a motor vehicle in a driving situation in which the vehicle is being braked and steered at the same time. By shifting the brake force to the rear wheels, the front wheels become easier to steer compared to a standard brake force distribution. The maximum required power of an electric steering assistance system is thus greatly reduced.

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28-02-2013 дата публикации

Method for reducing the energy absorbed by a vehicle in a collision and a system for implementing the method

Номер: US20130054103A1
Автор: Richie HERINK
Принадлежит: Individual

A system for a vehicle that executes a method to reduce the energy absorbed by the vehicle due to a collision, the method including actively decelerating the vehicle when it is determined that a collision with an object is possible, terminating active deceleration to allow the vehicle to move forward when it is determined that a collision with the object is inevitable just before the collision, and allowing the vehicle to make contact with the object and move generally in an opposite direction after the vehicle makes contact with the object.

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30-05-2013 дата публикации

Brake Control Apparatus

Номер: US20130138316A1
Автор: Kotaro Koyama
Принадлежит: HITACHI AUTOMOTIVE SYSTEMS LTD

A brake control apparatus includes a parking-brake mechanism configured to apply braking force to left and right wheels of one of front and rear of a vehicle by a switching operation of a driver; a braking-force generating section configured to apply braking force independently to the wheels in accordance with a state of the vehicle; a moving-state judging section configured to judge whether or not the vehicle is moving; and a braking-force control unit configured to control the braking-force generating section. The braking-force control unit includes a braking-force cooperative control section configured to restrict an actuation of the parking-brake mechanism and to cause the braking-force generating section to generate braking force in a case that the parking-brake mechanism is required to be actuated by the switching operation when the moving-state judging section determines that the vehicle is moving.

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06-01-2022 дата публикации

Steering Control Device, Steering Control Method, and Steering Control System

Номер: US20220001921A1
Принадлежит: Hitachi Astemo Ltd

In a steering control device, method, and system, a command is calculated for generating a periodical yaw moment having a phase opposite to oscillating motion based on information on oscillating motion which occurs in a vehicle combination composed of a vehicle and a trailer, and based on the calculated command, a first steering angle command for controlling a steering angle of the front wheels of the vehicle is output to a front wheel steering control unit and a second steering angle command for controlling a steering angle of the rear wheels of the vehicle is output to a rear wheel steering control unit, so that the oscillating motion can be suppressed.

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07-01-2021 дата публикации

Vehicle control system

Номер: US20210001835A1
Автор: Ryoma Kanda, Yuya Goto
Принадлежит: Honda Motor Co Ltd

A vehicle control system (30) for controlling a behavior control device (20) that controls a behavior of a vehicle (1), comprising: a feed-forward computing unit (71) that computes a feed forward control amount of the behavior control device according to a steering angle of the vehicle; a feedback computing unit (72) that computes a feedback control amount of the behavior control device according to a difference between a target vehicle state amount computed from the steering angle and an actual vehicle state amount; a correcting unit (73) that computes a corrected feed-forward control amount by correcting the feed forward control amount according to the feedback control amount; and a target control amount computing unit (74) that computes a target control amount of the behavior control device according to the feedback control amount and the corrected feed forward control amount.

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02-01-2020 дата публикации

APPARATUS FOR CONTROLLING ANTI LOCK BRAKE SYSTEM OF ESC INTEGRATED BRAKE SYSTEM AND METHOD THEREOF

Номер: US20200001842A1
Автор: SEOL Yong Cheol
Принадлежит:

An apparatus for controlling an ABS of an ESC integrated brake system and a method thereof. The apparatus includes a main master cylinder generating hydraulic brake pressure through a piston that is moved forward/backward by an actuator that is operated when a brake pedal of a vehicle is pressed down; and a controller controlling forward/backward movement direction change of the piston by controlling a driving current that is applied to the actuator by determining whether a direction change condition according the control state of wheel pressure is satisfied, when a brake mode of the vehicle is an ABS mode and the piston has reached a predetermined direction change position for forward/backward movement direction change. 1. An apparatus for controlling an Anti-lock Brake System (ABS) of an Electronic Stability Control (ESC) integrated brake system , the apparatus comprising:a main master cylinder generating hydraulic brake pressure through a piston that is moved forward/backward by an actuator that is operated when a vehicle is in a braking status; anda controller controlling forward/backward movement direction change of the piston by controlling a driving current that is applied to the actuator by determining whether a direction change condition according the control state of wheel pressure is satisfied, when a brake mode of the vehicle is an ABS mode and the piston has reached a predetermined direction change position for forward/backward movement direction change.2. The apparatus of claim 1 , wherein the direction change condition according to the control state of wheel pressure is a condition in which wheel pressure for front wheels and rear wheels is maintained or in a pressure-decreasing control state claim 1 , or wheel pressure for the front wheels is maintained or in a pressure-decreasing control state and wheel pressure for the rear wheels is in a pressure-increasing control state.3. The apparatus of claim 2 , wherein the controller determines whether the ...

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09-01-2020 дата публикации

Method for Operating an Control Device for a Braking System of a Motor Vehicle, Control Device and Motor Vehicle

Номер: US20200010059A1
Автор: Busse Oliver
Принадлежит: VOLKSWAGEN AKTIENGESELLSCHAFT

The invention relates to a method for operating a control device for a braking system of a motor vehicle, wherein the control device receives a braking request from a driver assistance system and determines a target value of a braking operation parameter of the braking system and determines an ideal temporal process for the braking operation parameter, which gradually leads to the target value, complying with a predetermined jerk criterion, and a determines a control fault of an actual value of the braking operation parameter in relation to the ideal process and determines a request value for a controller of a brake pressure pump of the braking system from the control fault on the basis of a controller unit. According to the invention, the control device determines a maximum achievable temporal gradient of the braking operation parameter by means of the brake pressure pump and examines whether the gradient fulfills a freezing criterion and, in the case of the freezing criterion being fulfilled, limits at least one control operation parameter of the controller unit and/or a gradient of the brake request. 1. A method for operating a control device for a braking system of a motor vehicle , wherein the control devicereceives a braking request from a driver assistance system;determines a target value of a braking operation parameter of the braking system for said braking request;determines an ideal temporal course for said braking operation parameter, which ideal temporal course gradually leads to the target value in compliance with a predetermined jerk condition;determines a control error of an actual value of the braking operation parameter in relation to the ideal course and determining a request value for a closed-loop controller of a brake pressure pump of the braking system from said control error on the basis of a closed-loop controller unit; andsets the request value in the closed-loop controller; whereinthe control device determines a maximum achievable temporal ...

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21-01-2021 дата публикации

Vehicle Control Apparatus, Vehicle Control Method, and Vehicle Control System

Номер: US20210016785A1
Автор: Satoshi Nakagawa
Принадлежит: Hitachi Astemo Ltd

An object of the present invention is to prevent a cost increase and an increase in an installation space due to a redundant arrangement of a vehicle motion control apparatus. A vehicle control apparatus includes an input portion configured to receive an input of a target state from a vehicle motion control controller equipped with a first vehicle motion control function configured to determine the target state for achieving a target route input from an autonomous driving controller, a first control portion configured to control a motion state based on the target state input from the input portion, and a second control portion equipped with a second vehicle motion control function configured to determine the target state for achieving the target route input from the autonomous driving controller and configured to control the motion state based on the target state input from the input portion.

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25-01-2018 дата публикации

PARKING ASSIST DEVICE

Номер: US20180022329A1
Автор: Sannodo Shinya
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A parking assist device includes an electronic control unit. The electronic control unit is configured to: perform parking assist of a vehicle to automatically park the vehicle at a target position while restricting a vehicle speed to an upper limit or lower in accordance with an instruction of a user who is outside the vehicle; determine whether or not the vehicle moves on a road surface having a downhill grade along a travelling direction of the vehicle by the parking assist; and set the upper limit in the case where the vehicle is determined to move on the road surface having a downhill grade to be smaller than the upper limit in the case where the vehicle is not determined to move on the road surface having a downhill grade. 1. A parking assist device , comprisingan electronic control unit configured to:perform parking assist of a vehicle to automatically park the vehicle at a target position, while restricting a vehicle speed to an upper limit or lower in accordance with an instruction of a user who is outside the vehicle;determine whether or not the vehicle moves on a road surface having a downhill grade along a travelling direction of the vehicle by the parking assist; andset the upper limit in a case where the vehicle is determined to move on the road surface having the downhill grade to be smaller than the upper limit in a case where the vehicle is not determined to move on the road surface having the downhill grade.2. The parking assist device according to claim 1 , whereinthe electronic control unit configured to:at a time of braking the vehicle during the parking assist, brake the vehicle by controlling a hydraulic first brake device operable to brake the vehicle;when an abnormality occurs during the parking assist, the abnormality being a failure in controlling the first brake device to brake the vehicle, brake the vehicle with a second brake device different in type from the hydraulic, the second brake device being allowed to operate under a situation ...

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28-01-2021 дата публикации

VEHICLE TRAVELING CONTROL APPARATUS

Номер: US20210024045A1
Автор: OTAKE Hirotada
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

Driving support ECU transmits a communication connection request to a help net center HNC when a driver of a vehicle has been determined to be in an abnormal state where the driver loses an ability to drive the vehicle, and when the communication connection to the help net center HNC has been established, the driving support ECU transmits the help signal (the positional information of the vehicle) and decelerates the vehicle at a constant deceleration to make the vehicle stop. On the other hand, when the communication connection to the help net center HNC has not been established, the driving support ECU makes the vehicle travel at a constant speed. Accordingly, it is possible to make the vehicle stop under a situation where the help net center HNC recognizes the vehicle position inside which the driver who has been determined to be in the abnormal state is. 1abnormality determination means for continuously determining whether or not a driver of said vehicle is in an abnormal state where said driver loses an ability to drive said vehicle;vehicle position acquisition means for acquiring a positional information representing a current position of said vehicle;stop traveling means for making said vehicle stop by decreasing a vehicle speed of said vehicle to zero after an abnormality determination point in time which is a point in time at which said driver has been determined to be in said abnormal state; andreport means for transmitting to a help net center where a rescue request is arranged said positional information of said vehicle via wireless communication based on a determination result that said driver is in said abnormal state,wherein, determine whether or not said report means is in a possible state of a communication connection to said help net center; and', 'make said vehicle stop under a condition that said report means is in said possible state of a communication connection., 'said stop traveling means is configured to;'}. A vehicle traveling control ...

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02-02-2017 дата публикации

Method for Automatic Adjustment of the Steering Angle in a Steering System of a Vehicle

Номер: US20170029020A1
Автор: Frank Baehrle-Miller
Принадлежит: ROBERT BOSCH GMBH

A method is used to automatically adjust a steering angle in a steering system of a vehicle. The method includes activating a steering actuator after parking the vehicle such that the steering wheel and the steerable wheels adopt a neutral position.

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29-01-2015 дата публикации

Method for the automatic guidance, in particular parking of a motor vehicle and a driver assistance device

Номер: US20150032323A1
Принадлежит: ROBERT BOSCH GMBH

In a method for the automatic guidance, e.g., parking, of a motor vehicle, which has a driving device for driving the motor vehicle, braking equipment for braking the motor vehicle, as well as a transmission device, in a normal operation, the braking equipment carrying out automatic braking during the automatic guidance, it is provided that, when a fault of the braking equipment occurs during the automatic guidance, an emergency operation is carried out, in which the motor vehicle is braked automatically to a standstill only by using the driving device and/or the transmission device.

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30-01-2020 дата публикации

Control system, vehicle and method

Номер: US20200031334A1
Автор: Jonathan Woodley
Принадлежит: Jaguar Land Rover Ltd

A control system for a motor vehicle includes a central tire inflation system (CTIS) controller and at least one other vehicle system controller arranged to control a system associated with the at least one other vehicle system controller. The CTIS controller controls the CTIS to cause inflation and deflation of one or more tires and is configured to cause the CTIS to operate in a selected one of a plurality of operating modes in each of which the system is configured to set a pressure of one or more tires. The CTIS controller is configured to generate and output a first signal indicative of pressure of the one or more tires, the at least one other system controller being configured to receive the first signal and to control operation of the system associated with the at least one other vehicle system controller in dependence on the first signal.

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04-02-2021 дата публикации

Control System and Method for Controlling an Activation State of a Braking-Torque Assistance System for Reducing Intake of Braking Energy in a Service-Brake System of a Vehicle

Номер: US20210031738A1
Принадлежит:

A method for controlling an activation state of a braking-torque assistance system for reducing intake of braking energy in a service-brake system of a vehicle includes capturing and evaluating a plurality of demand indications for a startup of the braking-torque assistance system. If the evaluation of the captured plurality of demand indications reveals a demand for the startup of the braking-torque assistance system, a plurality of operating conditions of the service-brake system are captures and evaluated over a monitoring period. If, in turn, the evaluation of the captured plurality of operating conditions reveals that an overheating of the service-brake system is imminent, the braking-torque assistance system is actuated and one or more deactivation conditions of the braking-torque assistance system are checked. If the deactivation conditions are satisfied, the braking-torque assistance system is deactivated. 1. A method for controlling an activation state of a braking-torque assistance system for reducing intake of braking energy in the service-brake system of a vehicle , the method comprising:capturing and evaluating of a plurality of demand indications for a startup of the braking-torque assistance system; and if the evaluation of the captured plurality of operating conditions reveals that an overheating of the service-brake system is imminent, activating the braking-torque assistance system; and checking of one or more deactivation conditions of the braking-torque assistance system; and', 'if the one or more deactivation conditions are satisfied, deactivating the braking-torque assistance system., 'if the evaluation of the captured plurality of demand indications reveals a demand for the startup of the braking-torque assistance system, starting a capture of a plurality of operating conditions of the service-brake system and evaluation of the captured plurality of operating conditions over a monitoring period; and'}2. The method according to claim 1 , ...

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24-02-2022 дата публикации

SYSTEM AND METHOD FOR CONTROLLING AN ELECTRONIC PARKING BRAKE

Номер: US20220055581A1
Автор: Khan Rahat, Motin Abdul
Принадлежит:

The present disclosure relates to a vehicle having a park-by-brake module that can control an electronic parking brake coupled to the rear wheels of a vehicle. The park-by-brake module is coupled to an antilock brake module by a controller area network architecture. In one example, a first controller area network and a second controller area network are used to couple the park-by-brake module to the antilock brake module. The controller area network architecture allows the park-by-brake module to receive commands from various control modules. Based on the received commands, the park-by-brake module activates or deactivates the electronic parking brake. 1. A vehicle , comprising:rear wheels;an electronic parking brake coupled to the rear wheels;an antilock brake module coupled to the electronic parking brake and configured to control the electronic parking brake;a first controller area network;a second controller area network; anda park-by-brake module coupled to the antilock brake module by the first controller area network and by the second controller area network.2. The vehicle of claim 1 , wherein the park-by-brake module is configured to communicate with the antilock brake module via the first controller area network.3. The vehicle of claim 2 , wherein the park-by-brake module is configured to communicate with the antilock brake module via the second controller area network if the first controller area network is not available.4. The vehicle of claim 3 , wherein the second controller area network is dedicated for ensuring that the park-by-brake module can cause the antilock brake module to control the electronic parking brake.5. The vehicle of claim 4 , wherein the antilock brake module is configured to control the electronic parking brake responsive to signals received from the park-by-brake module.6. The vehicle of claim 4 , further comprising:a motor;a gear shifter coupled to the motor; anda gear shift module coupled to the gear shifter and coupled to the ...

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24-02-2022 дата публикации

Control Architecture for Electrified Braking and Electrified Steering of a Vehicle

Номер: US20220055587A1
Принадлежит:

A control architecture for electrified braking and electrified steering of a vehicle supplies a steering actuator and a steering controller with power from a first one of at least two energy supply units. Two brake actuators are supplied with power from a second one of the at least two energy supply units. A first brake actuator is associated with a first wheel of the vehicle and a second brake actuator is associated with a second wheel of the vehicle. The first brake actuator and/or the second brake actuator is/are actuated to perform a steering function for the vehicle. 110.-. (canceled)11. A control architecture for electrified braking and electrified steering of a vehicle , the control architecture comprising:at least two energy supply units;a steering actuator;a steering controller; andtwo brake actuator units;wherein the steering actuator and steering controller are configured to be supplied with power from a first one of the at least two energy supply units,wherein the two brake actuators are configured to be supplied with power from a second one of the at least two energy supply units,wherein a first brake actuator is associated with a first wheel of the vehicle and a second brake actuator is associated with a second wheel of the vehicle, andwherein actuation of the first brake actuator and/or the second brake actuator is configured to perform a steering function for the vehicle.12. The control architecture according to claim 11 , whereinthe first brake actuator and second brake actuator are associated with the two wheels of a same axle of the vehicle.13. The control architecture according to claim 11 , whereinthe first brake actuator and/or second brake actuator are configured to perform the steering function for the vehicle upon detection of a failure or malfunction in one of more of:the first one of the energy supply units,the steering actuator, orthe steering controller.1411. The control architecture according to claim 11 , further comprising:at least ...

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15-02-2018 дата публикации

VEHICLE SOFT-PARK CONTROL SYSTEM

Номер: US20180043895A1
Принадлежит:

A soft-park control system to control vehicle movement during parking of a vehicle includes a transmission and one or more brake assemblies. The transmission includes a parking pawl that mechanically engages a notch in a parking gear. The brake assembly includes an electro-mechanical actuator configured to apply a variable brake force to a wheel coupled to a brake assembly based on an existing brake pressure. The soft-park control system further includes an electronic control unit having a soft-park hardware controller in electrical communication with the electro-mechanical actuator. The electronic brake control unit outputs a brake pressure signal that adjusts the existing brake pressure so as to control a rate at which the parking pawl engages the notch. 1. A soft-park control system configured to control vehicle movement during parking of a vehicle , comprising:a transmission including a parking pawl that mechanically engages a notch in a parking gear;at least one brake assembly, including an electro-mechanical actuator configured to apply a variable brake force to a wheel coupled to the at least one brake assembly based on an existing brake pressure; andan electronic control unit including a soft-park hardware controller in electrical communication with the electro-mechanical actuator, the electronic brake control unit configured to output a brake pressure signal that adjusts the existing brake pressure so as to control a rate at which the parking pawl engages the notch.2. The soft-park control system of claim 1 , wherein the soft-park hardware controller is configured to calculate a calibration preference claim 1 , and adjust the existing brake pressure based on the calculated calibration preference.3. The soft-park control system of claim 2 , wherein adjusting the existing brake pressure includes determining a pressure decay rate based on the calibration preference claim 2 , and reducing the existing brake pressure at the decay rate until the existing brake ...

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15-02-2018 дата публикации

Methods and systems for estimating road surface friction

Номер: US20180043900A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Methods and systems are provided for determining a road surface friction coefficient and controlling a feature of the vehicle based thereon. In one embodiment, a method includes: receiving signals from an electronic power steering system and an inertial measurement unit; estimating parameters associated with an electronic power steering system model using an iterative optimization method; calculating an electronic power steering system variable using the electronic power steering system model, the estimated parameters and one or more of the received signals; determining whether the calculated electronic power steering system variable satisfies a fitness criterion; and when the calculated electronic power steering system variable does satisfy the fitness criterion, determining a road surface friction coefficient based on at least one of the estimated parameters.

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25-02-2021 дата публикации

Progressive steering system for an all-terrain vehicle

Номер: US20210053537A1
Принадлежит: Ontario Drive and Gear Ltd

A progressive brake steering system that includes a steering shaft, a steering arm attached to the steering shaft and a spring mechanism that couples the steering arm to a first actuation pushrod of a first brake master cylinder and a second actuation pushrod of a second brake master cylinder. Rotating the steering shaft in a first direction rotates a first side of the steering shaft towards a first spring of the spring mechanism to compress the first spring against the first actuation pushrod of the first brake master cylinder to generate a first brake fluid pressure. Rotating the steering shaft in a second direction rotates a second side of the steering shaft towards a second spring of the spring mechanism to compress the second spring against the second actuation pushrod of the second brake master cylinder to generate a second brake fluid pressure.

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08-03-2018 дата публикации

TRAILER BRAKING SYSTEM AND CONTROLLER

Номер: US20180065603A1
Автор: Braunberger Fritz
Принадлежит:

A trailer brake controller and system detects absolute deceleration of a trailer by incorporating an electronic gyroscope/accelerometer combination in order to accurately calculate the deceleration subtracting out the component which is due to the force of gravity. The controller and system also receives and reads information from the towing vehicle's speed sensor. The system detects the deceleration of the trailer and sends a signal to a trailer brake activation circuit based upon an acceleration status of the trailer. In some embodiments, the system detects that the trailer is decelerating and the trailer control device sends a signal to the trailer braking system activation circuit to activate the trailer brakes. Particularly, the system is able to detect that the trailer is decelerating at an unsafe rate and to activate the trailer brakes and slow the trailer to a safe speed. 19-. (canceled)10. A trailer braking system comprising:a. a towing vehicle speed sensor;b. a trailer control device; andc. a trailer braking system activation circuit,wherein the trailer system control device receives a signal from the towing vehicle speed sensor and sends a signal to the trailer braking system activation circuit based upon the signal from the towing vehicle speed sensor.11. The trailer braking system of wherein the towing vehicle speed sensor sends a signal to the trailer brake control device that the towing vehicle is slowing and the trailer system control device sends a signal to the trailer braking system activation circuit to activate the trailer braking system.12. The trailer braking system of wherein the trailer system control device only sends the signal to the trailer braking system activation circuit when the vehicle slows below a threshold speed.13. The trailer braking system of wherein the towing vehicle speed sensor is located within the towing vehicle.14. The trailer braking system of wherein the vehicle speed sensor is installed on the towing vehicle at the ...

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08-03-2018 дата публикации

BRAKE CONTROL DEVICE AND CONTROL METHOD

Номер: US20180065611A1
Автор: MATSUURA Makoto
Принадлежит:

A brake control device and a control method, which are capable of improving responsiveness of vehicle braking at a low temperature. The brake control device configured to brake a vehicle by a hydraulic pressure control mechanism configured to apply hydraulic pressure from a master cylinder to a wheel cylinder includes: a master cylinder hydraulic pressure detecting unit configured to detect or calculate a physical quantity relating to hydraulic pressure generated in the master cylinder; a wheel cylinder hydraulic pressure detecting unit configured to detect or calculate a physical quantity relating to hydraulic pressure of the wheel cylinder; and a control unit configured to control whether to output a braking instruction signal to another braking unit in accordance with a difference between the detected or calculated physical quantity of the hydraulic pressure of the master cylinder and the detected or calculated physical quantity of the hydraulic pressure of the wheel cylinder. 1. A brake control device configured to brake a vehicle by a hydraulic pressure control mechanism configured to apply a hydraulic pressure from a master cylinder to a wheel cylinder , the brake control device comprising:a master cylinder hydraulic pressure detecting unit configured to detect or calculate a physical quantity relating to a hydraulic pressure generated in the master cylinder;a wheel cylinder hydraulic pressure detecting unit configured to detect or calculate a physical quantity relating to a hydraulic pressure of the wheel cylinder; anda control unit configured to control whether or not to output a braking instruction signal to another braking unit provided in the vehicle in accordance with a difference between the physical quantity of the hydraulic pressure of the master cylinder, which is detected or calculated by the master cylinder hydraulic pressure detecting unit, and the physical quantity of the hydraulic pressure of the wheel cylinder, which is detected or calculated ...

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24-03-2022 дата публикации

Vehicle headlight system, control method of vehicle headlight system

Номер: US20220089083A1
Принадлежит: Honda Motor Co Ltd, Stanley Electric Co Ltd

To suitably irradiate with a high beam according to a situation in front of the own vehicle. A vehicle headlight system installed in an own vehicle provided with an automatic brake controller which automatically activates a brake system depending on a situation, including: a lamp unit which irradiates at least with a low beam and a high beam; and a controller which is connected to the automatic brake controller and the lamp unit and is configured to control the operation of the lamp unit; where, when the lamp unit is not performing irradiation of the high beam, the controller is configured to control the lamp unit to irradiate with the high beam in the situation in which state of the automatic brake controller transitions from a standby state to a state which activates the brake system to a hard braking or to a preparation state thereof.

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05-03-2020 дата публикации

Controller, control method, and brake system

Номер: US20200070789A1
Автор: Yuki Oshida
Принадлежит: ROBERT BOSCH GMBH

The invention obtains a controller and a control method capable of improving safety by an automatic deceleration operation while preventing a motorcycle from falling over. The invention also obtains a brake system that includes such a controller. In the controller, the control method, and the brake system according to the invention, a control mode is initiated in response to trigger information that is generated in accordance with peripheral environment of the motorcycle, and the control mode makes the motorcycle, which includes a damping device damping kinetic energy, execute the automatic deceleration operation. In the control mode, the automatic deceleration operation is executed in a state where a damping rate of the damping device is increased to be higher than that immediately before initiation of the control mode.

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14-03-2019 дата публикации

Method and device for influencing a steering element of a single-track motor vehicle independently of the rider

Номер: US20190077396A1
Автор: Alfred Kuttenberger
Принадлежит: ROBERT BOSCH GMBH

A method includes ascertaining that an emergency braking operation of a single-track motor vehicle is to be automatically executed driver independently, and based on the ascertainment, automatically and driver-independently influencing a steering element of the motor vehicle during the execution of the emergency braking operation.

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22-03-2018 дата публикации

VEHICULAR DRIVING ASSISTANCE DEVICE

Номер: US20180079397A1
Принадлежит:

When an engine speed is less than a safeguard speed while a vehicle downhill assist control is being executed, a target speed of the vehicle downhill assist control is increased. In addition, if the target speed is greater than a vehicle speed, braking force applied to the vehicle is decreased. 1. A vehicle driving assistance device comprising: if a vehicle speed is greater than a target speed, the braking controller increases braking force applied to a vehicle, and', 'if the vehicle speed is less than the target speed, the braking controller decreases the braking force applied to the vehicle; and, 'a braking controller, which executes a driving assistance control, in the driving assistance control'}a target speed setting section is configured to increase the target speed if an engine speed is less than a safeguard speed during execution of the driving assistance control by the braking controller.2. The vehicle driving assistance device according to claim 1 , whereina determination value that is less than the safeguard speed is set to a gradient switching speed,if the engine speed is less than the gradient switching speed during execution of the driving assistance control by the braking controller, the target speed setting section increases the target speed at a first gradient, andif the engine speed is greater than or equal to the gradient switching speed and less than the safeguard speed during execution of the driving assistance control by the braking controller, the target speed setting section increases the target speed by a second gradient, which is less than the first gradient.3. The vehicle driving assistance device according to claim 1 , wherein claim 1 , if the engine speed is greater than or equal to the safeguard speed during execution of the driving assistance control by the braking controller claim 1 , the target speed setting section maintains the target speed.4. The vehicle driving assistance device according to claim 3 , whereina determination value ...

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12-03-2020 дата публикации

BRAKING METHOD AND SYSTEM FOR AN ELECTRIC VEHICLE

Номер: US20200079220A1
Автор: GEUß Matthias
Принадлежит: Audi AG

A method for braking an electric vehicle in which a first axle of an electric vehicle is decelerated by an electric motor of the electric vehicle and/or by a friction brake system of the electric vehicle. 1. A method for braking an electric vehicle , comprising:an axle deceleration torque for a first axle of an electric vehicle is provided by an electric motor of the electric vehicle and/or by a friction brake system of the electric vehicle, and in which a deceleration torque of the electric motor is provided depending on a directional stability of the electric vehicle.2. The method according to claim 1 , wherein a deceleration torque provided by the electric motor is reduced as directional stability decreases.3. The method according to claim 1 , wherein a deceleration torque for a second axle of the electric vehicle is exclusively provided by the friction brake system.4. The method according to claim 3 , wherein relative portions of the axle deceleration torque for the first axle and an axle deceleration torque for the second axle of a determined total deceleration torque of the electric vehicle are provided depending on directional stability.5. The method according to claim 3 , wherein a deceleration torque of the electric motor compatible with the deceleration potential of the electric motor that is as large as possible is provided in a first range of directional stability claim 3 , and/or a deceleration torque of the electric motor compatible with the deceleration potential of the electric motor that is as large as possible is provided in a second range of directional stability claim 3 , wherein relative portions of axle deceleration torques are provided that are stable with respect to driving dynamics claim 3 , and/or a deceleration torque of the electric motor compatible with the deceleration potential of the electric motor that is reduced compared to an as large as possible deceleration torque in a third range of directional stability claim 3 , wherein ...

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30-03-2017 дата публикации

STOPPING CONTROL APPARATUS FOR VEHICLE

Номер: US20170088112A1
Автор: Futagami Kosuke
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A stopping control apparatus for a vehicle includes: a braking apparatus; a gear-type automatic transmission installed in a powertrain; and a control device configured to control the braking apparatus and the automatic transmission. The control device is configured to shift, after a vehicle transitions from a travel state to a stop state, a range of the automatic transmission to a P range under a state where the braking force applied to wheels is a braking force for maintaining the vehicle in the stop state, and then reduce the braking force applied to the wheels. The control device is configured to change a decrease rate of the braking force such that the decrease rate after a time point at which a predetermined period has elapsed from a start of a decrease in the braking force is less than the decrease rate before the time point. 1. A stopping control apparatus for a vehicle , comprising:a braking apparatus configured to apply a braking force to wheels;a gear-type automatic transmission installed in a powertrain; anda controller configured to control the braking apparatus and the gear-type automatic transmission,the controller being configured to shift, after the vehicle transitions from a travel state to a stop state, a range of the gear-type automatic transmission to a P range under a state where the braking force applied to the wheels is a braking force for maintaining the vehicle in the stop state, and then reduce the braking force applied to the wheels, whereinthe controller is configured to change a decrease rate of the braking force applied to the wheels such that the decrease rate of the braking force applied to the wheels after a time point at which a predetermined period has elapsed from a start of a decrease in the braking force applied to the wheels is less than the decrease rate of the braking force applied to the wheels before the time point.2. The stopping control apparatus for a vehicle according to claim 1 , wherein the controller is configured to ...

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30-03-2017 дата публикации

DRIVING ASSISTANCE CONTROL APPARATUS FOR VEHICLE

Номер: US20170088174A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

An apparatus includes a steering assist torque determination unit and a steering assist torque control unit. The steering assist torque determination unit determines a steering assist torque including a first component that is determined on the basis of a deviation between an actual steering angle and a target steering angle for achieving a target path determined irrespective of driver's steering. The steering assist torque control unit controls a steering assist mechanism such that the steering assist torque is applied. The ratio of the magnitude of the first component of the steering assist torque to the deviation between the target steering angle and the actual steering angle is determined on the basis of the magnitude of the deviation between the steering assist torque and the driver's steering torque in a past predetermined period. 1. A driving assistance control apparatus for a vehicle including a steering assist mechanism in a steering device in which steered wheels and a steering wheel are mechanically directly coupled to each other , the driving assistance control apparatus comprising:a steering assist torque determination unit that determines a steering assist torque on the basis of a steering angle deviation, the steering angle deviation being obtained by subtracting an actual steering angle from a target steering angle, the target steering angle being determined irrespective of driver's steering so as to achieve a target path of the vehicle, the steering assist torque including a first component that varies with a variation in the steering angle deviation and that acts in a direction to reduce the steering angle deviation; anda steering assist torque control unit that controls the steering assist mechanism such that the steering assist torque is applied to the steering device, whereinthe steering assist torque determination unit includes an interference degree determination unit and a first component ratio determination unit, the interference degree ...

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19-03-2020 дата публикации

AIR SUSPENSION EVACUATION FOR IMPROVED BRAKING PERFORMANCE

Номер: US20200086709A1
Автор: Tagesson Kristoffer
Принадлежит:

The invention i.a. relates to a load transfer arrangement () for a vehicle () including a chassis () with at least one braked axle (), the arrangement () comprising: a non-driven load axle (), and an air suspension assembly () including at least one air cushion () arranged between the chassis () and the non-driven load axle () in order to transfer load from the braked axle(s) () to the non-driven load axle (), wherein the non-driven load axle () is unbraked, and wherein the arrangement () further comprises: an evacuation controller () configured to provide a pressure release trigger in response to a current or predicted braking event of the vehicle (), and at least one evacuation valve () configured to, in response to receiving the pressure release trigger, evacuate pressure from the at least one air cushion () in order to remove load from the non-driven load axle () and increase load on the braked axle(s) (). 1. A load transfer arrangement for a vehicle including a chassis with at least one braked axle , the arrangement comprising:a non-driven load axle, andan air suspension assembly including at least one air cushion arranged between the chassis and the non-driven load axle in order to transfer load from the braked axle(s) to the non-driven load axle,characterized in thatthe non-driven load axle is unbraked, and wherein the arrangement further comprises:an evacuation controller configured to provide a pressure release trigger in response to a current or predicted braking event of the vehicle, andat least one evacuation valve configured to, in response to receiving the pressure release trigger, evacuate pressure from the at least one air cushion in order to remove load from the non-driven load axle and increase load on the braked axle(s).2. The load transfer arrangement according to claim 1 , wherein the evacuation controller is configured to identify a braking demand and to provide the pressure release trigger based on the braking demand.3. The load transfer ...

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19-03-2020 дата публикации

METHOD FOR BRAKING A VEHICLE, AND DRIVE TRAIN OF A VEHICLE

Номер: US20200086835A1
Автор: Lamers Johannes
Принадлежит: SCHAEFFLER TECHNOLOGIES AG & CO. KG

A drive train of a vehicle and a method for controlling a drive train is provided. The drive train includes a brake control unit configured to control vehicle brakes via, for example, hydraulic lines, and a transmission control unit coupled to the brake control unit via a data bus and configured to control a vehicle transmission. The transmission control unit is configured to command the brake control unit to activate the vehicle brakes in response to a detected defect in the vehicle transmission. 1. A method for braking a vehicle , the vehicle having a transmission which is actuated by a transmission control unit , wherein the transmission control unit requests a brake intervention.2. The method as claimed in claim 1 , wherein the brake intervention is requested electronically by the transmission control unit and is implemented by a vehicle brake.3. The method as claimed in claim 2 , wherein the transmission control unit requests the brake intervention by a brake control unit which converts the request into a torque of at least one wheel brake which is configured as a vehicle brake.4. The method as claimed in claim 2 , wherein the transmission control unit and the brake control unit communicate via a bus system of the vehicle.5. The method as claimed in claim 2 , wherein claim 2 , before the communication between the transmission control unit and the brake control unit claim 2 , the driving situation of the vehicle is checked in order to prevent an impermissible brake intervention.6. A drive train of a vehicle claim 2 , in the case of which an engine drives wheels of the vehicle via a transmission claim 2 , the transmission being actuated by a transmission control unit claim 2 , and the vehicle having a vehicle brake which is controlled by a brake control unit in order to brake the vehicle claim 2 , wherein the transmission control unit for electronically requesting a brake intervention is connected directly to the brake control unit for actuating the vehicle brake ...

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12-05-2022 дата публикации

METHOD FOR CONTROLLING A VEHICLE DURING A BRAKING WITH BRAKING FORCES THAT ACT DIFFERENTLY ON RESPECTIVE SIDES OF A STEERABLE VEHICLE AXLE, CONTROL SYSTEM AND VEHICLE

Номер: US20220144230A1
Принадлежит:

A method is disclosed for controlling a vehicle in the event of unexpected braking with braking forces acting differently on respective sides on a steerable vehicle axle. The method includes determining whether there is unintentional braking with the braking forces causing the vehicle to yaw at a braking yaw rate in a yaw direction because of the braking forces. The yaw direction is determined in which the vehicle will yaw as a result of the braking forces. A steering angle requirement is specified and set immediately upon detection of unintentional braking with the different braking forces acting on the respective sides on the steerable vehicle axle with the steering angle requirement being specified in dependence upon the yaw direction so as to cause the braking yaw rate to be compensated on the steerable vehicle axle after setting the steering angle requirement. 1. A method for controlling a vehicle in the event of unexpected braking with braking forces (FAr , FAl) acting differently on respective sides on a steerable vehicle axle , the method comprising at least the steps of:determining whether there is unintentional braking with said braking forces (FAr, FAl) acting differently on said respective sides on said steerable vehicle axle causing said vehicle to yaw at a braking yaw rate (GB) in a yaw direction (RG) because of said braking forces (FAr, FAl) acting differently on said respective sides on the steerable vehicle axle;determining said yaw direction (RG) in which said vehicle will yaw as a result of said braking forces (FAr, FAl) acting differently on said respective sides;specifying and setting a steering angle requirement (LSet) immediately upon detection of unintentional braking with said different braking forces (FAr, FAl) acting on said respective sides on said steerable vehicle axle with said steering angle requirement (LSet) being specified in dependence upon said yaw direction (RG) so as to cause said braking yaw rate (GB) to be compensated on said ...

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12-05-2022 дата публикации

METHOD FOR GENERATING A SETPOINT FOR THE COMBINED CONTROL OF A WHEEL-STEERING SYSTEM AND OF A DIFFERENTIAL BRAKING SYSTEM OF A MOTOR VEHICLE

Номер: US20220144249A1
Принадлежит:

A method generates a setpoint for controlling a steering system and a differential braking system of a motor vehicle. The method includes: acquiring a value relating to a total yawing moment to be applied to the motor vehicle such that it follows a required path, and the speed of the motor vehicle, calculating, as a function of the speed, at least one threshold relating to the maximum proportion of the total yawing moment that the steering system or that the differential braking system can provide, determining, as a function of the threshold, a distribution rate relating to the proportion of the total yawing moment that the steering system or that the differential braking system must provide, and generating a setpoint for controlling the steering system and the differential braking system as a function of the distribution rate and of the value relating to the total yawing moment. 110-. (canceled)11. A method for generating a setpoint for controlling a steering system and a differential braking system of a motor vehicle , comprising:acquiring a value relating to a total yaw moment to be applied to the motor vehicle so that the motor vehicle follows a required path, and a speed of the motor vehicle;calculating, as a function of said speed, at least one threshold relating to a maximum proportion of the total yaw moment that the steering system or that the differential braking system can provide;determining, as a function of said threshold, a distribution rate relating to the proportion of the total yaw moment that the steering system or that the differential braking system must provide; andgenerating a setpoint for controlling the steering system and the differential braking system as a function of said distribution rate and of the value relating to the total yaw moment.12. The method as claimed in claim 11 , in which the threshold relates to the maximum proportion of the total yaw moment that the steering system can provide and is determined as a function of a maximum ...

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26-03-2020 дата публикации

Vehicle with brake traction control and method for controlling traction of a vehicle

Номер: US20200094896A1
Принадлежит: BOMBARDIER RECREATIONAL PRODUCTS INC

A vehicle includes front suspension assemblies; rear suspension assemblies; a left driven wheel and a right driven wheel with first left and right brake assemblies; a left wheel and a right wheel with second left and right brake assemblies; an anti-lock braking system (ABS) module; a drive mode coupler connected between the transmission and the left and right wheels for changing between a 2×4 and a 4×4 drive configuration; and a drive mode switch for controlling the drive mode coupler, the ABS module selectively performing brake traction control of at least one wheel based on the position of the drive mode switch. A method for controlling traction of the vehicle includes sensing the drive mode switch position and when the drive mode changes from a 2×4 position to a 4×4 position, causing the ABS module to perform brake traction control on at least one wheel.

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12-04-2018 дата публикации

Redundant steering controls for automated driving

Номер: US20180099694A1
Автор: Jorg Scheibel
Принадлежит: Continental Automotive Systems Inc

A steering system which is capable of being controlled by a redundant brake system, which includes a primary brake control module, a secondary brake control module, and a plurality of brake units controlled by the primary brake control module or the secondary brake control module. There is at least one hydraulic motor connected to a component of the steering system, and the fluid pressure in the hydraulic motor is controlled by the secondary brake control module. The wheels of the steering system are configured to make a right-hand turn when the secondary brake control module operates the hydraulic motor during a first mode of operation, and the wheels of the steering system are configured to make a left-hand turn when the secondary brake control module operates the hydraulic motor during a second mode of operation.

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08-04-2021 дата публикации

VEHICLE

Номер: US20210101572A1
Автор: SATO Shun
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

In a vehicle, application of hydraulic pressure in a hydraulic braking device is started, when an accelerator is turned on, and the accelerator is predicted to be turned off, and engine braking feeling is predicted to become insufficient, the engine braking feeling being deceleration feeling given to a driver when the accelerator is turned off and an engine brake is operated, and a predetermined condition that prediction time until the accelerator is turned off is shorter than dead time of a hydraulic pressure response of the hydraulic braking device is established. The hydraulic braking device generates a negative jerk in the vehicle when the accelerator is turned off upon lapse of dead time after application of the hydraulic pressure in the hydraulic braking device is started. 1. A vehicle , comprising:an engine configured to output motive power to driving wheels;a hydraulic braking device configured to apply hydraulic braking force to wheels including the driving wheels; anda control unit configured to control the engine and the hydraulic braking device, wherein:the control unit starts application of hydraulic pressure in the hydraulic braking device when an accelerator is turned on, and the control unit predicts that the accelerator will be turned off, and the control unit predicts that engine braking feeling will become insufficient, the engine braking feeling being deceleration feeling given to a driver when the accelerator is turned off and an engine brake is operated, and a predetermined condition is established, the predetermined condition being that prediction time until the accelerator is turned off is shorter than dead time of a hydraulic pressure response of the hydraulic braking device; andthe control unit causes the hydraulic braking device to generate a negative jerk in the vehicle, when the accelerator is turned off upon lapse of dead time after application of the hydraulic pressure in the hydraulic braking device is started.2. The vehicle according ...

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26-03-2020 дата публикации

VEHICLE CONTROL SYSTEM

Номер: US20200095968A1
Принадлежит:

A vehicle control system includes a boost device, a braking unit, a cell motor, and a start operating unit. The boost device boosts a braking force applied by a foot brake to a vehicle with an output voltage from a battery. The braking unit, which is different than the foot brake, brakes the vehicle appropriately and keeps the braking force even in a case that the output voltage is not supplied from the battery, or which braking unit does not require the output voltage from the battery. The cell motor is driven by an output voltage from the battery and starts the engine. The start operation unit starts the cell motor, wherein the vehicle control system has a function not to start the cell motor when the start operation unit is operated, unless the braking unit is in operation. 1. A vehicle control system , comprising:a boost device by which, a braking force applied by afoot brake to a vehicle is boosted with an output voltage from a battery,a braking unit other than the foot brake, which braking unit brakes the vehicle appropriately and keeps the braking force even in a case that the output voltage is not supplied from the battery, or which braking unit does not require a power supply from the battery for keeping the braking force,a cell motor which is driven by an output voltage from the battery and starts the engine, anda start operation unit which instructs the cell motor to start,wherein the vehicle control system has a function to start the cell motor when the start operation unit is operated, on the condition that the braking unit is in operation.2. The vehicle control system according to claim 1 , whereinthe vehicle control system starts the cell motor when the start operation unit is operated, irrespective of whether the braking unit is in operation or not, when the foot brake is not under operation while the vehicle is moving.3. A vehicle control system claim 1 , comprising:a boost device by which a braking force applied by a foot brake to a vehicle is ...

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19-04-2018 дата публикации

BRAKE BOOSTER SYSTEM, AND METHOD FOR ASSISTING A BRAKING OPERATION OF A MOTOR VEHICLE

Номер: US20180105154A1
Принадлежит:

A brake booster system for assisting a braking operation of a motor vehicle having a brake booster is provided. The brake booster system may include a pressure piston of a brake master cylinder, an actuating element which is configured for deflecting the pressure piston, and a brake booster which is divided into two chambers by way of a diaphragm, the first chamber is connected to the pressure piston and has a pressure p and the second chamber is connected to the actuating element and has a pressure p Furthermore, in the brake booster system, there is a pressure build up apparatus which is configured to raise the pressure p above the pressure p by way of said pressure build up apparatus. 1. A brake booster system for assisting a braking operation of a motor vehicle , comprising:a pressure piston of a brake master cylinder;an actuating element which is configured for deflecting the pressure piston; and{'b': 1', '2, 'a brake booster which is divided into a first chamber and a second chamber by way of a diaphragm, the first chamber being connected to the pressure piston and having a pressure p, and the second chamber being connected to the actuating element and having a pressure p;'}{'b': 2', '1, 'where the first chamber is configured in such a way that there is a pressure build up apparatus which is configured such that the pressure p can be raised above the pressure p by way of said pressure build up apparatus.'}22. The brake booster system of claim 1 , where the pressure build up apparatus is connected to a fuel feed system and has a pressure removal point in the fuel feed system claim 1 , at which pressure removal point pressure for raising the pressure p is removed from the fuel feed system.3. The brake booster system of claim 2 , where the pressure build up apparatus comprises a pressure converter which acts between the pressure removal point and the second chamber of the brake booster claim 2 , the pressure converter having a first pressure chamber which is ...

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02-04-2020 дата публикации

METHOD FOR DETERMINING THE TRACK ROD FORCE MODELING THE TORSIONAL ELASTIC RELEASE OF THE TYRE IN ORDER TO MANAGE TRANSITIONS BETWEEN PARK AND DRIVE

Номер: US20200102006A1
Принадлежит: JTEKT EUROPE

A method estimates a track rod force which is exerted, in a power steering system with which a vehicle is equipped, on a track rod belonging to a steering mechanism which connects an actuator to a steered wheel which is orientable in the yaw direction and which bears a tyre of which the tread is in contact with the ground, the value of the estimated track rod force being corrected as a function of the longitudinal speed of the vehicle by a force component that models the release of the elastic torsion of the tyre so as to reduce, the estimated track rod force according to the longitudinal speed of the vehicle, when the vehicle transitions from a park situation in which the longitudinal speed of the vehicle is zero to a drive situation in which the longitudinal speed of the vehicle is non-zero. 1. A force estimation method intended to estimate the value of an actuation force , called «force at the tie rods» , which is exerted , in a power steering system equipping a vehicle , on a transmission member belonging to a steering mechanism which connects an actuator to a steered wheel which is orientable in yaw and which carries a tire whose tread is in contact with a ground , wherein the value of the estimated force at the tie rods is corrected according to the longitudinal velocity of the vehicle (V_vehic) , so as to reduce , in absolute value , the estimated force at the tie rods , according to the longitudinal velocity of the vehicle (V_vehic) , when the vehicle passes from a parking situation , in which the longitudinal velocity of the vehicle (V_vehic) is zero , to a running situation , in which the longitudinal velocity of the vehicle (V_vehic) is non-zero.2. The force estimation method according to claim 1 , during which the force at the tie rods is evaluated from a model using:{'sub': 1', 'CR', 'BR', 'c, 'a first force component (F) which is representative of a yaw elastic torsion of the tire corresponding to a position deviation (ΔX) between on the one hand the ...

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02-04-2020 дата публикации

MODIFICATION OF THE TRAJECTORY OF A VEHICLE WHEEL IN THE EVENT OF STEERING SYSTEM FAILURE

Номер: US20200102008A1
Автор: PASQUET Thierry
Принадлежит:

A motorised vehicle comprises a first wheel located laterally on a first side of the vehicle, and a second wheel located laterally on a second side of the vehicle opposite the first side. The vehicle comprises a steering system configured to modify the orientation of the wheels and to turn the vehicle. The vehicle comprises a trajectory modifier configured to vary the speed of rotation of the first wheel and to modify the trajectory of the vehicle in the event of failure of the steering system. 110-. (canceled)11. A motor vehicle comprising:a first wheel located sideways on a first side of the vehicle,a second wheel located sideways on a second side of the vehicle opposite to the first side, anda steering system configured to modify the orientation of the wheels and to rotate the vehicle,wherein the vehicle comprises a trajectory modifier configured to vary the rotation speed of the first wheel and to modify the trajectory of the vehicle in the event that the steering system is failing,wherein the trajectory modifier of the wheel comprises an electromechanical brake which comprises a control unit configured to control the braking of the first wheel,wherein the trajectory modifier is configured such that the brake increases the braking force of the first wheel to rotate the vehicle to the side of the first wheel, and/orwherein the trajectory modifier is configured such that the brake decreases a braking force of the first wheel to rotate the vehicle to the side of the second wheel.12. The vehicle according to claim 11 , wherein the trajectory modifier is configured to vary the rotation speed of the first wheel as a function of a signal representative of a rotation speed of the first wheel which is transmitted by a detector of the rotation speed of the first wheel.13. The vehicle according to claim 12 , comprising a wheel antilock system which comprises the detector of the rotation speed of the first wheel.14. The vehicle according to claim 11 , wherein the trajectory ...

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09-06-2022 дата публикации

Vehicle brake system

Номер: US20220176924A1
Принадлежит: Honda Motor Co Ltd

A vehicle brake system including: a pressurizing motor that is connected to a brake pedal and configured to increase a braking force that is generated; and a processor. The processor is configured with a program to perform operations including: operation as an information acquisition part to obtain information on whether a shift position of an automatic transmission is in a non-driving mode and information on operation on the brake pedal; and operation as a braking force controller to perform, when a predetermined retention condition is met, control of braking force so that a stationary state of a host vehicle is maintained. When the predetermined retention condition is met and the shift position is in the non-driving mode, the braking force controller is configured to perform control to increase the braking force that is generated using the pressurizing motor once the brake pedal is in a non-operated state.

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18-04-2019 дата публикации

Method and device for determining a safety-critical yawing motion of a vehicle

Номер: US20190111936A1
Принадлежит: ROBERT BOSCH GMBH

A method for determining a safety-critical yawing motion of a vehicle includes comparing a specification signal representing an ascertained setpoint yaw rate of the vehicle for an anticipated trajectory of the vehicle to a measuring signal representing an instantaneous yaw rate of the vehicle measured based on an actual trajectory of the vehicle, thereby generating a comparison signal; checking whether an amplitude of the comparison signal exceeds a first threshold value and whether a frequency of the comparison signal exceeds a second threshold value; and, in response to the amplitude exceeding the first threshold and the frequency exceeding the second threshold, outputting a yawing-motion signal indicating presence of the safety-critical yawing motion of the vehicle.

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13-05-2021 дата публикации

Enhanced vehicle operation

Номер: US20210139007A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A computer includes a processor and a memory, the memory storing instructions executable by the processor to input a current trajectory and a planned path for a vehicle to a state observer algorithm to obtain a target yaw rate, compare the target yaw rate to an actual yaw rate to determine one of an oversteer or an understeer condition, and apply brakes on one or more but less than all wheels of the vehicle based on determining the understeer or oversteer condition.

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25-08-2022 дата публикации

Bi-directional air delivery system

Номер: US20220266783A1
Принадлежит: Deere and Co

An air delivery system is operable to on-board compressed air to an associated work vehicle from an associated or auxiliary source such as for example an external large compressor or air storage tank for assisting a tire inflation system (TIS) of the associated work vehicle to expedite tire inflation particularly when transitioning to a desired raised tire pressure, and is further operable to off-board compressed air from a compressor of the TIS system on-board the associated work vehicle for delivery from the TIS to an associated or external compressed air consuming device such as an implement attached with the associated work vehicle or the like. A bi-directional air delivery retrofit kit 700 provides on-boarding and off-boarding of an extra-vehicular compressed air product relative to an associated work vehicle. A dual source air delivery system provides pressurized air to an air storage device from on-board and off-board pressurized air sources.

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25-04-2019 дата публикации

METHOD FOR THE AUTOMATED ELECTRONIC CONTROL OF A BRAKING SYSTEM AND ELECTRONICALLY CONTROLLABLE BRAKING SYSTEM IN A UTILITY VEHICLE

Номер: US20190118786A1
Автор: Wulf Oliver
Принадлежит: WABCO Europe BVBA

A method for automatic electronic control of a brake system in a vehicle includes reading a request signal for automatic electronic control of actuators in the vehicle. At least one of the actuators has an influence on actual longitudinal vehicle dynamics of the vehicle, and requests that are to be implemented by the actuators for realizing automatically requested target longitudinal vehicle dynamics are transmitted via the request signal. The method further includes plausibility-checking the request signal to establish whether the requests are, or can be, implemented completely or without error by the actuators, taking into account a tolerance, and determining a correction deceleration and/or a correction velocity if the implementation of at least one of the requests has not taken place, or cannot take place, completely or without error, taking into account the tolerance, in order to specify corrective braking. 1. A method for the automatic electronic control of a brake system in a vehicle the method comprising:reading a request signal for automatic electronic control of actuators in the vehicle, wherein at least one of the actuators has an influence on actual longitudinal vehicle dynamics of the vehicle, and wherein requests that are to be implemented by the actuators for realizing automatically requested target longitudinal vehicle dynamics are transmitted via the request signal;plausibility-checking the request signal to establish whether the requests are, or can be, implemented completely or without error by the actuators, taking into account a tolerance;determining a correction deceleration and/or a correction velocity if the implementation of at least one of the requests has not taken place, or cannot take place, completely or without error, taking into account the tolerance, in order to specify corrective braking, wherein the correction deceleration and/or the correction velocity are stipulated as a function of the at least one of the requests which has not ...

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11-05-2017 дата публикации

AN ARRANGEMENT AND METHOD FOR SUPPORTING A CRUISE CONTROL BRAKE IN A VEHICLE

Номер: US20170129467A1
Принадлежит: VOLVO TRUCK CORPORATION

A cruise control arrangement for a vehicle is provided with a cruise control brake function that is set to a brake cruise speed. The cruise control arrangement is adapted to activate at least one auxiliary brake when the vehicle speed reaches the set brake cruise speed, and at the same time to apply a service brake of the vehicle to keep the speed of the vehicle at the set brake cruise speed, and is further adapted to decrease the brake power of the service brake at the same time as the brake power of the at least one auxiliary brake increases, such that the speed of the vehicle is kept at the set brake cruise speed. The speed of the vehicle can be held at the set cruise speed when an auxiliary brake is activated, regardless of the activation time of the auxiliary brake. In this way, an overshoot in speed can be avoided during the activation time of the auxiliary brake. 1. A cruise control arrangement for a vehicle , where the cruise control arrangement is provided with a cruise control brake function , where the cruise control brake function is set to a brake cruise speed , wherein the cruise control arrangement is adapted to activate at least one auxiliary brake when the vehicle speed reaches the set brake cruise speed , the auxiliary brake being activated by a preset amount which corresponds to a requested brake power , a response time being a time from the activation of the auxiliary brake until the auxiliary brake is fully applied such that it delivers the requested brake power , and to apply at the same time as the auxiliary brake activation a service brake of the vehicle to keep the speed of the vehicle at the set brake cruise speed , and further adapted to decrease the brake power of the service brake at the same time as the brake power of the at least one auxiliary brake increases , such that the speed of the vehicle is kept at the set brake cruise speed , whereby when the brake power of the auxiliary brake increases during the response time , the brake ...

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09-05-2019 дата публикации

METHOD OF OPERATING THE POWER TRAIN OF A VEHICLE

Номер: US20190135245A1
Принадлежит:

A method of operating a drive-train of a vehicle having a drive engine, a motor vehicle transmission, at least one drive axle and a further axle that can be engaged to drive. In context of a function, a connection between the drive engine and the at least one drive axle of the vehicle is automatically interrupted, and the function is automatically activated when certain conditions exist. For the activation of the function, a service brake of the vehicle must be actuated and, as a condition, the vehicle must be stopped. To check whether operation of the vehicle in the all-wheel mode is necessary, when the function is carried out, a brake pressure is determined and, if the brake pressure exceeds a brake pressure limit value, the driving engagement of the further axle is carried out automatically as the function is deactivated for re-starting the vehicle. 112-. (canceled)13124618. A method for operating a drive-train () of a motor vehicle comprising a drive engine () , a motor vehicle transmission () , at least one drive axle () , and a further axle () that is drivingly engagable , the method comprising:{'b': 2', '6', '11, 'automatically interrupting, in a context of a function, a connection between the drive engine () and the at least one drive axle () of the motor vehicle, the function being automatically activated when certain conditions exist, and the certain conditions for activating the function comprising activation of a service brake () of the motor vehicle and braking the vehicle to rest,'}{'sub': 'Brems', 'determining a brake pressure (p) when the function is carried out, and'}{'sub': Brems', 'Grenz, 'b': '18', 'if the brake pressure (p) exceeds a brake pressure limit value (p), automatically carrying out the driving engagement of the further axle () as the function is deactivated for re-starting the motor vehicle.'}1418. The method according to claim 13 , further comprising claim 13 , if a speed limit (v) is exceeded after re-starting claim 13 , ...

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10-06-2021 дата публикации

Parking brake apparatus and method therefor

Номер: US20210170999A1
Принадлежит: BENDIX COMMERCIAL VEHICLE SYSTEMS LLC

A parking brake apparatus is provided for a vehicle having components of a parking brake system. The parking brake apparatus comprises a parking brake controller arranged to (i) obtain a first signal indicative of whether a hill start assist system is installed on the vehicle, and (ii) provide one or more control signals to be applied to components of the parking brake system to apply parking brakes when the first signal is indicative of a hill start assist system installed on the vehicle is present and a second signal indicative of the hill start assist system being activated is received.

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24-05-2018 дата публикации

VEHICLE SPEED CONTROL SYSTEM

Номер: US20180141549A1
Принадлежит:

A vehicle speed control system for a vehicle having a plurality of wheels, the vehicle speed control system comprising one or more electronic control units configured to carry out a method that includes applying torque to at least one of the plurality of wheels, detecting a slip event between any one or more of the wheels and the ground over which the vehicle is travelling when the vehicle is in motion and providing a slip detection output signal in the event thereof. The method carried out by the one or more electronic control units further includes receiving a user input of a target speed at which the vehicle is intended to travel and maintaining the vehicle at the target speed independently of the slip detection output signal by adjusting the amount of torque applied to the at least one of the plurality of wheels. 1. A vehicle speed control system for a vehicle having a plurality of wheels , the vehicle speed control system configured to automatically control the speed of the vehicle to a target speed and comprising one or more electronic control units arranged to:control the application of torque to at least one of the plurality of wheels;detect a slip event between any one or more of the wheels and the surface over which the vehicle is travelling when the vehicle is in motion and provide a slip detection output signal in the event thereof;receive a user input of a target set-speed at which the vehicle is intended to travel; andcontrol the application of torque to the at least one of the plurality of wheels for maintaining the vehicle at the target speed independently of the slip detection output signal by requesting the application of increased net torque to the at least one of the plurality of wheels when the vehicle speed needs to be increased to maintain the vehicle at the target speed wherein the magnitude of the requested increased net torque is reduced when an identified external force acts on the vehicle in a direction so as to cause positive ...

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25-05-2017 дата публикации

BRAKE CONTROL DEVICE

Номер: US20170144640A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A brake control device includes: a liquid pressure line provided for each vehicle wheel and supplied with a brake liquid pressure; a pressurization unit configured to supply a pressurization brake liquid pressure to the liquid pressure line; an abnormality detection unit configured to detect an abnormality of the liquid pressure line at a time the brake liquid pressure of the liquid pressure line is not greater than a threshold value; and a pressurization adjustment unit configured to continuously supply the pressurization brake liquid pressure to the liquid pressure line of the normal vehicle wheel having a low abnormality occurrence risk and suppress the supply pressure of the pressurization brake liquid pressure to the liquid pressure line of the vehicle wheel having a high abnormality occurrence risk until the abnormality of the liquid pressure line is detected by the abnormality detection unit. 1. A brake control device comprising:a liquid pressure line provided for each vehicle wheel and supplied with a brake liquid pressure;a braking force generation unit provided for each vehicle wheel and configured to generate a braking force in response to the brake liquid pressure supplied from each liquid pressure line;a pressurization unit configured to supply a pressurization brake liquid pressure to the liquid pressure line;an abnormality detection unit configured to detect an abnormality of the liquid pressure line at a time the brake liquid pressure of the liquid pressure line is not greater than a threshold value;a liquid pressure adjustment unit configured to interrupt the supply of the brake liquid pressure to the liquid pressure line of which the abnormality is detected;a collision possibility determination unit configured to determine a possibility of a collision between an own vehicle and an obstacle and determine whether the collision is avoidable;a drive assist control unit configured to perform a collision avoidance control by controlling the ...

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15-09-2022 дата публикации

CONTROLLED AIR DELIVERY FOR TIRE INFLATION AND AIR BRAKE

Номер: US20220289163A1
Принадлежит: Deere & Company

One or more techniques and systems are described herein for synchronized air delivery method between a vehicle's central tire inflation system (CTIS) and an air trailer brake (ATB) system. A synchronized air delivery system can utilize a shared air source as a common shared input to drive two different systems, including the ATB system and CTIS. Based on ATB and CTIS air need feedback, an air compressor clutch can automatically control ON and OFF modes for air inputs using a control algorithm. Air can be provided to the ATB system, to provide air to brakes on a coupled trailer, over the tire inflation operation, such as during a braking event. 1. An air management system for a vehicle having an engine , an air compressor , an air trailer brake (ATB) system receiving air from the air compressor , and a central tire inflation system (CTIS) receiving air from the air compressor , the system comprising:a clutch assembly operably receiving power from the engine, the clutch assembly operably providing power to the air compressor; and when to operate the clutch assembly to provide power to the air compressor;', 'when to provide air to the ATB system from the air compressor;', 'when to provide air to the CTIS from the air compressor; and', 'when to provide air from the air compressor to the ATB system over the CTIS., 'a central controller communicatively coupled with the ATB system, the CTIS, and the clutch assembly to control operation of the clutch assembly using synch logic, wherein the synch logic determines2. The system of claim 1 , wherein the ATB system comprises an ATB air tank that operably provides air to a trailer brake claim 1 , and wherein the central controller operably receives one or more of:ATB pressure data from the ATB system indicative of an ATB air pressure value at the ATB air tank; andATB request data indicative of a request for use of air by the ATB system.3. The system of claim 2 , wherein the central controller operably performs one or more of: ...

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16-05-2019 дата публикации

WORK VEHICLE

Номер: US20190143813A1
Автор: ONO Koki
Принадлежит: ISEKI & CO., LTD.

According to one embodiment, a work vehicle includes: a traveling vehicle body; an engine supported by the traveling vehicle body; a power transmission device which transmits power of the engine to a wheel, and has a clutch member which is supported to be movable between a transmission position and a block position; a braking device which brakes the wheel; a brake control unit which allows the clutch member to move to the block position and the braking device to operate in a case where the traveling vehicle body is braked; a brake determination unit which determine whether the traveling vehicle body is braked in a case where the braking device is operated; and an engine control unit which stops the engine in a case where the traveling vehicle body is not braked on the basis of a determination result of the brake determination unit. 1. A work vehicle comprising:a traveling vehicle body;an engine supported by the traveling vehicle body;a power transmission device which transmits power of the engine to a wheel, and has a clutch member which is supported to be movable between a transmission position of transmitting the power from the engine and a block position of blocking the transmission of the power from the engine;a braking device which brakes the wheel;a brake control unit which allows the clutch member to move to the block position and the braking device to operate in a case where the traveling vehicle body is braked;a brake determination unit which determine whether the traveling vehicle body is braked in a case where the braking device is operated; andan engine control unit which stops the engine in a case where the traveling vehicle body is not braked on the basis of a determination result of the brake determination unit.2. The work vehicle according to claim 1 , further comprising:an autonomous control unit which allows the traveling vehicle body to travel autonomously along a preset scheduled path, whereinthe brake control unit allows the clutch member to ...

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07-05-2020 дата публикации

Brake system

Номер: US20200139948A1
Принадлежит: IPGATE AG

A brake system may include an actuating device, in particular a brake pedal; a first piston-cylinder unit having two pistons subjecting the brake circuits to a pressure medium via a valve device, wherein one of the pistons can be actuated by the actuation device; a second piston-cylinder unit having an electric motor drive, a transmission at least one piston to supply at least one of the brake circuits with a pressure medium via a valve device; and a motor pump unit with a valve device to supply the brake circuits with a pressure medium. The brake system may also include a hydraulic travel simulator with a pressure or working chamber which is connected to the first piston-cylinder unit.

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22-09-2022 дата публикации

Steerable wheel axle arrangement and method of controlling a steerable wheel axle arrangement

Номер: US20220297748A1
Принадлежит: Volvo Truck Corp

The present disclosure relates to a steerable wheel axle arrangement for a vehicle, the steerable wheel axle arrangement being connectable to a pair of wheels and comprising a steering linkage connectable to the pair of wheels; a cylinder comprising a fluidly controlled piston movable within the cylinder, wherein the fluidly controlled piston is connected to the steering linkage; and a fluidly controlled brake actuator adapted to be in fluid communication with a wheel brake of the vehicle for controlling braking of the wheels, wherein the fluidly controlled brake actuator is arranged in fluid communication with the cylinder, and wherein the fluidly controlled piston exerts a steering force on the steering linkage upon actuation of the fluidly controlled brake actuator for steering the wheels.

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14-06-2018 дата публикации

Driving control apparatus for a vehicle

Номер: US20180162393A1
Автор: Jinkyo LEE, Taeho NOH
Принадлежит: LG ELECTRONICS INC

A driving control apparatus for a vehicle is disclosed. The driving control apparatus includes: an object detection device configured to detect objects in the vicinity of the vehicle and generate information on the objects; a sensing unit configured to detect a state of the vehicle and generate vehicle state information; and a processor configured to: based on the vehicle state information and the information on the objects, generate information on collision with a first object out of the objects, and based on the information on the collision, generate a control signal for at least one of steering, partial braking, and partial driving of the vehicle and provide the generated control signal so as to control operation of the vehicle after the collision through at least one of a steering control action, a partial braking control action, and a partial driving control action.

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29-09-2022 дата публикации

Braking method for vehicle, electronic device and storage medium

Номер: US20220306058A1

A braking method for a vehicle, an electronic device and a storage medium are provided, and relates to the field of intelligent vehicles. The method includes: generating, in a case where a braking trigger signal is received, a first braking control signal according to a first braking parameter of the vehicle, wherein the first braking control signal is used to control a braking traction mechanism to draw a brake pedal according to the first braking parameter, to perform braking; collecting braking data of a current braking process; evaluating a braking effect of the current braking process according to the collected braking data; and determining whether to adjust the first braking parameter according to a result of the evaluating, wherein the determined first braking parameter is used for a next braking process of the vehicle.

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21-05-2020 дата публикации

BRAKE SYSTEM FOR A TRANSPORTATION VEHICLE, TRANSPORTATION VEHICLE WITH A BRAKE SYSTEM, AND METHOD FOR OPERATING A BRAKE SYSTEM

Номер: US20200156624A1
Автор: WITTE Bastian
Принадлежит:

A brake system for a transportation vehicle, a transportation vehicle having a brake system, and a method for operating a brake system. The brake system has two control units, wherein the respective control unit actuates a respective brake circuit of the brake system, which includes two of four service brakes and one of two electric parking brakes of the brake system. In response to a defect in one of the brake circuits, the control unit of the other brake circuit actuates the respective brakes of the other brake circuit, to carry out trailer combination stabilization of a trailer combination having the transportation vehicle and a trailer coupled to the transportation vehicle; and/or to steer the transportation vehicle in the case of a defect in a steering system of the transportation vehicle based on a steering command of a control device for autonomous driving. 1. A brake system for a transportation vehicle , the brake system comprising:two control units configured to actuate a respective brake circuit of the brake system, wherein each brake circuit comprises two of four service brakes and one of two electric parking brakes, actuate the respective brakes of the other brake circuit,', 'carry out trailer combination stabilization of a trailer combination, wherein the trailer combination comprising the transportation vehicle and a trailer coupled to the transportation vehicle; and/or', 'to steer the transportation vehicle in the case of a defect in a steering system of the transportation vehicle based on a steering command of a control device for autonomous driving., 'wherein, in the case of a defect in one of the brake circuits, the control unit of the other brake circuit is configured to2. The brake system of claim 1 , wherein the control unit of the other brake circuit actuates the respective service brakes and the respective electric parking brake based on a control command of an electronic stability program of the transportation vehicle.3. A transportation ...

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06-06-2019 дата публикации

SYSTEM AND METHOD FOR PARKING CONTROL OF VEHICLE

Номер: US20190168730A1
Принадлежит:

A system for parking control of a vehicle in which a transmission parking configuration is omitted is provided. The system includes a shift by wire device that requests a parking control of the vehicle when a parking stage is input by an operation of a driver. An electronic parking brake operates a brake installed on a drive wheel via a relay which is connected to be in a parking brake state when the electronic parking brake receives the parking control request from the shift by wire device. The shift by wire device switches the relay to directly operate the brake to be in the parking brake state when the shift by wire device receives a failure event, which indicates that a normal operation of the electronic parking brake is impossible, from the electronic parking brake. 1. A system for parking control of a vehicle in which a transmission parking configuration is omitted , comprising:a shift by wire device configured to request a parking control of the vehicle when a parking stage is input by an operation of a driver of the vehicle; andan electronic parking brake configured to operate a brake installed on a drive wheel via a relay which is connected to operate the brake to be in a parking brake state when the electronic parking brake receives the parking control request from the shift by wire device,wherein the shift by wire device is configured to switch the relay to directly operate the brake to be in the parking brake state when the shift by wire device receives a failure event from the electronic parking brake.2. The system of claim 1 , further comprising:a cluster configured to display information regarding a shift operation of the shift by wire device to the driver;a central gateway that interconnects the shift by wire device, the electronic parking brake, and the cluster that communicate heterogeneous network; anda backup line that connects a communication between the shift by wire device and the electronic parking brake when the failure event occurs.3. The ...

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06-06-2019 дата публикации

Autonomous vehicle emergency steering profile during failed communication modes

Номер: US20190168805A1
Автор: Brian N. Siskoy
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Methods, systems, and vehicles are provided for controlling steering in an autonomous vehicle including a communication system, a vehicle control system, and a steering control system. The vehicle control system is configured to provide initial steering instructions, via the communication system, that include a current steering command for a current time and one or more future projected steering commands for the autonomous vehicle for possible implementation at one or more future times. The steering control system includes a processor configured to implement the current steering command; determine, subsequent to the initial steering instructions, that an error has occurred with respect to the providing of steering instructions from the vehicle control system; and implement the one or more future projected steering commands for the one or more future times when it is determined that an error has occurred with respect to the providing of steering instructions from the vehicle control system.

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28-05-2020 дата публикации

VEHICLE TRAVELING CONTROL APPARATUS

Номер: US20200164841A1
Автор: OTAKE Hirotada
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

Driving support ECU transmits a communication connection request to a help net center HNC when a driver of a vehicle has been determined to be in an abnormal state where the driver loses an ability to drive the vehicle, and when the communication connection to the help net center HNC has been established, the driving support ECU transmits the help signal (the positional information of the vehicle) and decelerates the vehicle at a constant deceleration to make the vehicle stop. On the other hand, when the communication connection to the help net center HNC has not been established, the driving support ECU makes the vehicle travel at a constant speed. Accordingly, it is possible to make the vehicle stop under a situation where the help net center HNC recognizes the vehicle position inside which the driver who has been determined to be in the abnormal state is. 1. A vehicle traveling control apparatus applied to a vehicle comprising;abnormality determination means for continuously determining whether or not a driver of said vehicle is in an abnormal state where said driver loses an ability to drive said vehicle;vehicle position acquisition means for acquiring a positional information representing a current position of said vehicle;stop traveling means for making said vehicle stop by decreasing a vehicle speed of said vehicle to zero after an abnormality determination point in time which is a point in time at which said driver has been determined to be in said abnormal state; andreport means for transmitting to a help net center where a rescue request is arranged said positional information of said vehicle via wireless communication based on a determination result that said driver is in said abnormal state,wherein, determine whether or not said report means is in a possible state of a communication connection to said help net center;', 'make said vehicle stop under a condition that said report means is in said possible state of a communication connection; and', 'make ...

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28-05-2020 дата публикации

Controlsystem for a motor vehicle, motor vehicle, method for controlling a motor vehicle, computer program product, and computer-readable medium

Номер: US20200164893A1
Принадлежит: Hella GmbH and Co KGaA

A control system for a motor vehicle, having a first control device for controlling a first function of the motor vehicle and a second control device for controlling a second function of the motor vehicle. The first and second control devices are each in a signal transmission connection with at least one sensor and/or at least one actuator. To ensure the proper execution of functions of a motor vehicle controlled by control devices even with a faulty control device with the least possible effort, it is provided that in dependence on the receipt of an error signal from the first control device or the second control device, the respective error-free control device is configured such that the function of the motor vehicle that corresponds to the faulty control device is controlled by the error-free control device.

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04-06-2020 дата публикации

Operating Method for an Automatic Transmission of a Motor Vehicle

Номер: US20200173549A1
Принадлежит: VOLKSWAGEN AKTIENGESELLSCHAFT

The invention relates to an operating method for an automatic transmission, particularly for an automatic variable-speed transmission and/or dual-clutch transmission, for a motor vehicle. The automatic transmission can be operated in a cost-effective manner, particularly with reduced component wear and increased service life, and/or the driving comfort of the vehicle can be improved such that when lifting of at least one driven vehicle wheel off the roadway during braking is detected by the operating method, then for the length of said braking process, in the event of an incomplete gear change into a gear of the transmission, the engagement of a gear is prevented and/or the beginning of a gear change into a gear of the transmission is prevented. 1. An operating method for an automatic transmission for a motor vehicle , wherein , when a lifting of at least one driven vehicle wheel off the roadway during braking is detected , then for the length of said braking process ,in the event of an incomplete gear change into a gear of the transmission, the engagement of the gear is prevented, and/orthe beginning of a gear change into a gear of the transmission is prevented.2. The operating method of claim 1 , wherein claim 1 , in the event of an incomplete gear change into a gear of the transmission claim 1 , the gear change is stopped and/or the relevant gear selector is shifted into a neutral position.3. The operating method of claim 1 , wherein the braking process is a braking process of an active anti-lock braking system.4. The operating method of claim 3 , wherein the braking process is considered finished when the anti-lock braking system is deactivated.5. The operating method of claim 1 , wherein the lifting of a driven vehicle wheel off the roadway is detected if during a braking process claim 1 , particularly one carried out using an active anti-lock braking system claim 1 , the wheel speed of the driven wheel is less than a reference speed by a specific speed amount. ...

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15-07-2021 дата публикации

Brake System For A Vehicle

Номер: US20210213917A1
Автор: Adeeb Adam, Johnson Steven
Принадлежит:

The present invention pertains to a brake system for a vehicle, in particular a wheeled vehicle, comprising a control unit configured to operate the brake system in an automatic retarding control mode and in a brake assist mode, a brake pedal valve, and at least one brake valve unit for actuating a brake actuator. The break valve unit comprises a brake valve for applying pressurized fluid to the brake actuator in response to a control pressure applied to a hydraulic actuator of the brake valve, a blocking valve for controlling application of pressurized fluid from the brake pedal valve to the hydraulic actuator of the brake valve, and a brake pressure control valve for controlling application of pressurized fluid to the hydraulic actuator of the brake valve. 1. A brake system for a vehicle , in particular a wheeled vehicle , comprising:a control, unit configured to operate the brake system in an automatic retarding control mode and in a brake assist mode;a brake pedal valve; and a blocking valve for applying pressurized fluid to the brake actuator in response to a control pressure applied to a hydraulic actuator of the brake valve,', 'a blocking valve for controlling application of pressurized fluid from the brake pedal valve to the hydraulic actuator of the brake valve, and', 'a brake pressure control valve for controlling application of pressurized fluid to the hydraulic actuator of the brake valve., 'at least one brake valve unit for actuating a brake actuator having2. The brake system according to claim 1 , wherein the control unit is configured to actuate at least one of the blocking valve and the brake pressure control valve.3. The brake system according to claim 1 , wherein the control unit is configured to actuate the blocking valve so as to block application of pressurized fluid from the brake pedal valve to the hydraulic actuator of the brake valve.4. The brake system according to claim 1 , wherein the control unit is configured to actuate the brake ...

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06-07-2017 дата публикации

Vehicle Device with Power-Saving Operation of a Signal Input Apparatus

Номер: US20170190324A1
Принадлежит:

A vehicle brake system device is provided. The vehicle brake system device includes having a signal input apparatus for inputting request signals from a driver of the vehicle which includes a sensor device which gradually detects a degree of operation of a driver-operated operating element between a position which represents non-operation and a position which represents maximum operation, and generates an operating signal which represents this degree of operation. The signal input apparatus also includes an evaluation electronics system into which the sensor device operating signal is introduced for evaluation purposes. In a switched-off state of a vehicle ignition system the sensor device and/or the evaluation electronics system cyclically assume either a standby mode with reduced electrical energy consumption from an electrical energy source in comparison to an operating mode which prevails in the switched-on state of the vehicle ignition system, the reduced energy consumption is an energy consumption level insufficient to ensure operation of the sensor device and/or the evaluation electronics system for detecting and evaluating operation of the operating element as intended, or assume an energy-saving operating mode which ensures operation of the sensor device and/or of the evaluation electronics system to detect and evaluate operation of the operating element. 1. A vehicle brake system device , comprising: sense a degree of driver activation of an activation element between a position corresponding to represents non-activation of the activation element and a position corresponding to maximum activation of the activation element, and', 'generate an activation signal corresponding to the sensed degree of activation; and, 'a sensor device of a signal input device configured to'} receive the activation signal generated by the sensor device, and', 'output a conditioned activation signal suitable for use by and electronic brake control unit configured to control ...

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20-06-2019 дата публикации

Integrated chassis control method based on stability after avoidance and vehicle using the same

Номер: US20190184978A1
Принадлежит: Hyundai Motor Co, Kia Motors Corp

An integrated chassis control method may include stability control after avoidance performing stability steering assist control after avoiding a forward collision situation by avoidance steering assist control when the forward collision situation is verified by an integrated chassis controller.

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11-06-2020 дата публикации

PARKING BRAKE APPARATUS FOR A VEHICLE

Номер: US20200180586A1
Принадлежит:

A parking brake apparatus is provided for a vehicle having components of a parking brake system and a number of devices providing a plurality of output signals indicative of a plurality of vehicle factors. The parking brake apparatus comprises an electronic controller arranged to (i) monitor the output signals indicative of a plurality of vehicle factors, and (ii) provide one or more control signals to be applied to components of the parking brake system to apply parking brakes based upon a predefined sequence of the plurality of vehicle factors having been met. 1. A parking brake apparatus for a vehicle having components of a parking brake system and a number of devices providing a plurality of output signals indicative of a plurality of vehicle factors , the parking brake apparatus comprising:an electronic controller arranged to (i) monitor the output signals indicative of a plurality of vehicle factors, and (ii) provide one or more control signals to be applied to components of the parking brake system to apply parking brakes based upon a predefined sequence of the plurality of vehicle factors having been met.2. A parking brake apparatus according to claim 1 , wherein the predefined sequence of the plurality of vehicle factors comprises occurrence of one or more vehicle interlocks being met followed by occurrence of two or more vehicle interlocks being met.3. A parking brake apparatus according to claim 1 , wherein the electronic controller is arranged to provide a pre-warning to a driver of the vehicle when a first one of the plurality of vehicle factors indicates that the vehicle is unparked and at least a second one of the plurality of vehicle factors has not been met.4. A parking brake apparatus according to claim 3 , wherein the pre-warning to the driver of the vehicle is in the form of a warning lamp for the driver to visualize claim 3 , a haptic signal claim 3 , or an audible signal.5. A parking brake apparatus according to claim 1 , wherein the electronic ...

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11-06-2020 дата публикации

PRESSURE SUPPLY DEVICE

Номер: US20200182268A1
Автор: MUETER Matthias
Принадлежит:

The invention relates to a pressure supply device for prioritised volume flow splitting, in particular in mobile working machines, comprising at least one adjusting pump () controllable by means of an LS signal as main pump, a constant-displacement pump () as an auxiliary pump, two pressure balances, a system to be supplied primarily, in particular in the form of steering hydraulics (PL), which outputs an LS signal, a system to be supplied secondarily, which outputs a further LS signal, in particular in the form of working hydraulics (PA), and a further system to be supplied hydraulically, in particular in the form of brake hydraulics (PB), wherein one pressure balance (DW) is used to supply the system (PL) to be supplied primarily and/or the further hydraulic system (PB), the other pressure balance (DW) is used to supply the system (PL) to be supplied primarily and/or the system (PA) to be supplied secondarily, 1. A pressure supply device for prioritized volume flow distribution , in particular in mobile machines , consisting at least of{'b': '2', 'a variable displacement pump () as the main pump controlled by LS signals,'}{'b': '4', 'a fixed displacement pump () as an auxiliary pump,'}{'b': 1', '2, 'two pressure maintenance-type components (DW, DW),'}a system to be primarily supplied, in particular in the form of a steering hydraulic (PL), which emits an LS signal,a system to be secondarily supplied that emits a further LS signal, in particular in the form of power hydraulics (PA), anda further hydraulically supplied system, in particular in the form of a hydraulic brake system (PB),{'b': 1', '2', '1', '2', '4, 'wherein one pressure maintenance-type component (DW) is used to supply the system (PL) to be primarily supplied and/or the further hydraulic system (PB), the other pressure maintenance-type component (DW) is used to supply the system to be primarily supplied (PL) and/or the system to be secondarily supplied (PA) and wherein the respective pressure ...

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12-07-2018 дата публикации

FAULT-TOLERANT AUTOMOTIVE BRAKING SYSTEM

Номер: US20180194353A1
Принадлежит:

A vehicle includes a fault-tolerant braking system that controls a brake assembly which is configured to adjust a braking force applied to one or more wheels. The fault-tolerant braking system further includes a brake-by-wire (BBW) system and a vehicle control module (VCM). The BBW system is configured to control the brake assembly in response to a braking request. The VCM is configured to detect a fault of at least one of the brake assembly and the BBW system. In response to detecting the fault, the VCM selectively operates the vehicle between a normal operating mode and at least one degraded driving mode that limits operation of at least one of the vehicle engine and the vehicle transmission compared to the normal operating mode. 1. A vehicle including a fault-tolerant braking system , comprising:an engine configured to generate drive torque;a transmission configured to transfer the drive torque to a wheel of the vehicle;a brake assembly coupled to the wheel, and configured to adjust a braking force applied to the wheel;a brake-by-wire (BBW) system configured to control the brake assembly in response to a braking request; anda vehicle control module (VCM) in electrical communication with the BBW system, the VCM configured to detect a fault of at least one of the brake assembly and the BBW system, and in response to detecting the fault selectively operates the vehicle between a normal operating mode and at least one degraded driving mode that limits operation of at least one of the engine and the transmission compared to the normal operating mode,wherein at least one of the brake assembly and the BBW system includes a critical-priority component, a high-priority component, a moderate-priority component, and a low-priority component, andwherein the VCM identifies a severity of the fault among a plurality of different fault severities, and controls at least one of the engine and the transmission to operate according to different operating parameters based on the ...

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27-06-2019 дата публикации

VEHICLE BEHAVIOR CONTROL DEVICE

Номер: US20190193694A1
Принадлежит: MAZDA MOTOR CORPORATION

The vehicle behavior control device comprises a brake control system () capable of applying different braking forces, respectively, to right and left road wheels of a vehicle (). The vehicle behavior control device further comprises: a steering angle sensor (); a vehicle speed sensor (); a yaw rate sensor (); and a yaw moment setting part () in PCM () configured to decide a target yaw rate of the vehicle based on a steering angle and a vehicle speed, and set, based on a change rate of a difference between an actual yaw rate and the target yaw rate, a yaw moment oriented in a direction opposite to that of the actual yaw rate of the vehicle, as a target yaw moment, whereby the brake control system can regulate the braking forces of the road wheels so as to apply the target yaw moment to the vehicle. 1. A vehicle behavior control device comprising:a braking device capable of applying different braking forces, respectively, to right and left road wheels of a vehicle;a steering wheel configured to be manipulated by a driver;a steering angle sensor configured to detect a steering angle of the steering wheel;a vehicle speed sensor configured to detect a vehicle speed of the vehicle;a yaw rate sensor configured to detect an actual yaw rate of the vehicle; anda processor configured to control the braking device,wherein the processor is configured to:decide a target yaw rate of the vehicle, based on the steering angle and the vehicle speed;set a yaw moment oriented in a direction opposite to that of the actual yaw rate of the vehicle, as a target yaw moment to be applied to the vehicle, based on a change rate of a difference between the actual yaw rate and the target yaw rate; andcontrol the braking device to apply the target yaw moment to the vehicle.2. The vehicle behavior control device according to claim 1 , wherein the processor is configured to set the target yaw moment to a larger value as the change rate of the difference between the actual yaw rate and the target yaw ...

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18-06-2020 дата публикации

Braking force control apparatus for a vehicle

Номер: US20200189535A1
Автор: Yuki Okamoto
Принадлежит: Toyota Motor Corp

A braking force control apparatus for a vehicle has a control unit that executes a braking force reduction control that controls a braking device such that a braking force is gradually reduced when it is determined that a drive request for driving the vehicle is generated during execution of the braking force holding control for controlling the braking device to hold a braking force applied to the vehicle when the vehicle stops in the uphill direction on a slope. The control unit controls the braking device such that the braking force during, execution of the braking force reduction control is larger when the drive request is generated by the driving support control is than when the drive request is generated by the driver's driving operation.

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18-06-2020 дата публикации

REDUNDANT MECHATRONIC SYSTEM

Номер: US20200189607A1
Принадлежит: Audi AG

A redundant mechatronic system. The redundant mechatronic system is formed with two channels and is or can be connected for the output of a varying mechanical power to a mechanical arrangement, wherein each of the two channels includes an energy supply and an actuation circuit or a common energy supply is connected upstream of both channels, and both channels can be controlled by at least one control unit. The control unit acts on the actuation circuits in such a manner that the actuation circuits in each case switch an electric power specified by the control unit and drawn from the energy supply through to in each case a winding set of at least one electrically operated actuator, in order to generate the mechanical power. The two channels are operated in parallel during normal operation, in such a manner that each channel provides half of the mechanical power to be instantaneously output. 1. A redundant mechatronic system , comprising:the redundant mechatronic system is formed with two channels and is or can be connected for the output of a varying mechanical power to a mechanical arrangement,each of the two channels comprises an energy supply, or a common energy supply is connected upstream of both channels,each of the two channels contains an actuation circuit and can be controlled by at least one control unit,the control unit acts on the actuation circuits in such a manner that in each case, the actuation circuit switches an electric power specified by the control unit and drawn from the energy supply through to a winding set of at least one electrically operated actuator, in order to generate the mechanical power,the two channels are operated in parallel during normal operation, in such a manner that each channel provides half of the mechanical power to be instantaneously output,each of the two channels is formed such that, when the respective other channel fails, it alone provides the maximum necessary mechanical power for performing a function of the ...

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29-07-2021 дата публикации

BRAKE SYSTEM

Номер: US20210229645A1
Принадлежит:

A brake system may include an actuation device that may actuate a first piston-cylinder unit to apply pressure medium to at least one brake circuit via a valve device, where a piston of the first piston-cylinder unit separate first and second working chambers; a second piston-cylinder unit, having an electromotive drive and a transmission to feed pressure medium to at least one of the brake circuits via a valve device; and a motor-pump unit having a valve device to feed pressure medium to the brake circuits. The motor of the electromotive drive of the second piston-cylinder unit and the motor of the motor-pump unit may be used jointly or independently of one another, under control of a control device. The motor-pump unit is connected via two hydraulic connections, one or both of which may incorporate separating valves, to the first and second working chambers of the first piston-cylinder unit. 1. A brake system , comprising:an actuating device,a first piston-cylinder unit, enabled to be actuated by means of the actuating device, and arranged to supply pressure medium to one or more brake circuits via a first valve device,wherein the first piston-cylinder unit has a piston which separates a first working chamber and a second working chamber from one another,a second piston-cylinder unit with an electromotive drive and a transmission for supplying pressure medium to at least one of the one or more brake circuits via a second valve device, anda motor-pump unit with a third valve device, configured to supply pressure medium to the one or more brake circuits,wherein, by means of a control device, the motor of the electromotive drive of the second piston-cylinder unit and the motor of the motor-pump unit are enabled to be used together or independently of one another,wherein the motor-pump unit is connected via two hydraulic connections to the first working chamber and to the second working chamber,and wherein an isolating valve is arranged only in one of the two ...

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06-08-2015 дата публикации

Vehicle speed control system and method employing torque balancing

Номер: US20150217767A1
Принадлежит: Jaguar Land Rover Ltd

A method for operating a speed control system of a vehicle having a plurality of wheels is provided. The method comprises receiving one or more electrical signals representative of vehicle-related information. The method further comprises determining, based on the one or more electrical signals representative of vehicle-related information, that one or more of the wheels of the vehicle have overcome an obstacle or are about to overcome an obstacle and that therefore a reduction in an applied drive torque to one or more of the wheels of the vehicle by a powertrain subsystem (applied drive torque) will be required to maintain the speed of the vehicle at a target set-speed of the speed control system. The method still further comprises automatically commanding the application of a retarding torque to one or more of the wheels of the vehicle to counteract the effect of an overrun condition in the powertrain subsystem from increasing the speed of the vehicle. A system for controlling the speed of a vehicle comprising an electronic control unit configured to perform the above-described methodology is also provided.

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26-07-2018 дата публикации

Vehicle Safety System

Номер: US20180208188A1
Автор: Sun Bo, Williams Matthew
Принадлежит:

Systems and methods for slowing (and stopping) a subject vehicle in response to detection of an emergency vehicle with activated emergency lights, or a school bus with activated stop lights. 1. A system for slowing a subject vehicle in response to detection of an emergency vehicle with activated emergency lights or a school bus with activated stop lights , the system comprising: detect location of the emergency vehicle with activated emergency lights relative to the subject vehicle; and', 'detect location of the school bus with activated stop lights relative to the subject vehicle; and, 'a detection module configured to at least one of the detection module detecting that the emergency vehicle with activated emergency lights and the subject vehicle are approaching one another; or', 'the detection module detecting that subject vehicle is approaching the school bus with activated stop lights., 'a vehicle control module configured to slow the subject vehicle in response to2. The system of claim 1 , the system further comprising the subject vehicle including the detection module and the vehicle control module.3. The system of claim 1 , further comprising a camera module claim 1 , the detection module is in communication with the camera module to receive image data from the camera module claim 1 , the detection module is configured to detect at least one of the emergency vehicle and the school bus based on the image data.4. The system of claim 3 , further comprising cameras that capture the image data and input the image data to the camera module.5. The system of claim 1 , further comprising a communications module configured to receive route data from at least one of the emergency vehicle and the school bus by vehicle-to-vehicle communication;wherein the detection module is configured to detect location of the emergency vehicle with activated emergency lights relative to the subject vehicle based on the route data, or detect location of the school bus with activated stop ...

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04-08-2016 дата публикации

Method and device for supplying auxiliary air to a rail vehicle

Номер: US20160221447A1

A compressed air supply device for a rail vehicle, having a main compressor for generating compressed air for a pneumatic brake system and a vehicle battery for supplying electric energy. The compressed air generator for supplying additional auxiliary air for operating at least one pneumatic actuator is provided in a frame of an adjusting drive for a pantograph. The compressed air generator for supplying auxiliary air includes an electric frequency converter for operating the electric-motor driven main compressor of the rail vehicle with low rotational speed from the electric drive energy provided by the vehicle battery. A secondary line is attached to the compressed air line connected to the main compressor to branch off the auxiliary air for the supply of auxiliary air of the actuator.

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02-08-2018 дата публикации

HYDRAULIC PARK BRAKE SYSTEM AND METHOD

Номер: US20180215357A1
Принадлежит: GOODRICH CORPORATION

A hydraulic park brake system for an aircraft may include a hydraulic park brake controller having a processor and a tangible, non-transitory memory configured to communicate with the processor. The tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the processor, cause the hydraulic park brake system to perform various operations. Such operations may include receiving, by the processor, a hydraulic park brake condition, comparing, by the processor, the hydraulic park brake condition with a predetermined condition to yield comparison data, and determining, by the processor and based on the comparison data, a hydraulic park brake adjustment status. Such operations may further include generating, by the processor and based on the hydraulic park brake adjustment status, an adjustment command and transmitting, by the processor, the adjustment command to a hydraulic park brake of the aircraft. 1. A hydraulic park brake system for an aircraft , the hydraulic park brake system comprising:a hydraulic park brake controller having a processor; and receiving, by the processor, a hydraulic park brake condition;', 'comparing, by the processor, the hydraulic park brake condition with a predetermined condition to yield comparison data; and', 'determining, by the processor and based on the comparison data, a hydraulic park brake adjustment status., 'a tangible, non-transitory memory configured to communicate with the processor, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the hydraulic park brake system to perform operations comprising2. The hydraulic park brake system of claim 1 , further comprising a hydraulic park brake and a sensor coupled to the hydraulic park brake claim 1 , wherein receiving the hydraulic park brake condition comprises detecting claim 1 , by the processor and via the sensor claim 1 , the hydraulic park brake condition.3. The ...

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02-07-2020 дата публикации

UTILIZATION OF BRAKES AND TRANSMISSION SYSTEM TO AFFECT STEERING OF A VEHICLE AND METHOD THEREOF

Номер: US20200207315A1
Принадлежит:

A method of controlling a vehicle during a braking operation includes providing a first and a second brake actuator, a brake input device, a steer input device, and a cross-drive transmission having two outputs and a controller. The method includes detecting a first output speed at the first output and a second output speed at the second output, and receiving a brake input request and a steer input request. The method also includes determining a differential output speed based on the first output speed and the second output speed, and comparing the differential output speed to a first threshold, the brake input request to a second threshold, and the steer input request to a third threshold. The method includes determining the first or the second output is locked during the braking operation, and controlling the first or the second brake actuator based on which output is determined to be locked. 1. A method of improving steer response of a vehicle during a steering operation , comprising:providing a first brake actuator, a second brake actuator, a brake input device, a steer input device, and a cross-drive transmission including a first output, and a second output;detecting a first output speed at the first output and a second output speed at the second output;receiving a steer input request from the steer input device;determining a differential output speed based on the first output speed and the second output speed;comparing the differential output speed to a first threshold and the steer input request to a second threshold; andcontrolling the first brake actuator or the second brake actuator to reduce the first output speed or the second output speed as a function of the steer input request.2. The method of claim 1 , further comprising determining a magnitude of the steer input request.3. The method of claim 2 , wherein the comparing step comprises comparing the magnitude of the steer input request to the second threshold.4. The method of claim 1 , further ...

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12-08-2021 дата публикации

VEHICLE SECURITY SYSTEM

Номер: US20210245704A1
Автор: Ricke Janik
Принадлежит:

A vehicle security system is provided for a vehicle having a braking system that includes a parking brake, the parking brake being capable of being switched between a driving position and a braking position. The vehicle security system is configured to secure the vehicle after an accident. The vehicle security system comprises a control unit configured to ascertain an accident of the vehicle and to switch the parking brake of the vehicle into the braking position in response to ascertaining an accident of the vehicle, and a sensor configured to capture and make available first vehicle data that represent a rotary location of the vehicle. The control unit is configured to carry out the ascertainment of an accident on the basis of the first vehicle data. 1. A vehicle security system for a vehicle having a braking system that includes a parking brake , the parking brake being capable of being switched between a driving position and a braking position , a control unit configured to ascertain an accident of the vehicle and to switch the parking brake of the vehicle into the braking position in response to ascertaining an accident of the vehicle, and', 'a sensor configured to capture and make available first vehicle data that represent a rotary location of the vehicle,, 'the vehicle security system being configured to secure the vehicle after an accident and comprisingwherein the control unit is configured to carry out the ascertainment of an accident on the basis of the first vehicle data.2. The vehicle security system as claimed in claim 1 , wherein the sensor unit includes a rotation-rate sensor configured to ascertain a change of the rotary location of the vehicle about a vertical axis claim 1 , transverse axis and/or longitudinal axis of the vehicle.3. The vehicle security system as claimed in claim 1 , wherein the sensor unit includes an axle-load sensor configured to ascertain an axle load of axles of the vehicle.4. The vehicle security system as claimed in claim 1 ...

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12-08-2021 дата публикации

Vehicle Control Apparatus, Vehicle Control Method, and Vehicle Control System

Номер: US20210245757A1
Принадлежит: Hitachi Astemo Ltd

A vehicle control apparatus according to the present invention outputs a signal regarding a target braking/driving force for guiding a vehicle in a target traveling direction to a braking/driving controller. The signal regarding the target braking/driving force is acquired based on information regarding a running route of the vehicle and a physical amount regarding a motion state of the vehicle. The vehicle control apparatus outputs a signal regarding a steering correction torque for correcting a steering torque according to a behavior of the vehicle to a steering force controller. The signal regarding the steering correction torque is acquired based on a vehicle-body slip angle of the vehicle and the target braking/driving force.

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20-08-2015 дата публикации

Method and arrangement for vehicle stabilization

Номер: US20150232088A1
Принадлежит: VOLVO LASTVAGNAR AB

An arrangement for improving stability of a vehicle combination includes a towing vehicle and at least one towed vehicle, where the at least one towed vehicle includes an actively steered axle and/or individual brake on at least one axle, where the towing vehicle and the at least one towed vehicle each includes a lateral acceleration determining arrangement. A vehicle combination model is adapted for determining a desired delay value between the lateral acceleration of the towing vehicle and the lateral acceleration of the at least one towed vehicle, where the arrangement is adapted to stabilize the at least one towed vehicle by using the determined lateral acceleration of the towing vehicle and the desired delay value for the at least one towed vehicle to establish a desired lateral acceleration for the at least one towed vehicle, and to control the steered axle and/or the individual brake of the at least one towed vehicle such that the determined lateral acceleration of the at least one towed vehicle corresponds to the desired lateral acceleration of the at least one towed vehicle.

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18-07-2019 дата публикации

VEHICLE STABILITY CONTROL SYSTEM AND METHOD

Номер: US20190217854A1
Автор: Park Kyun Sang
Принадлежит:

A vehicle stability control system and a vehicle stability control method which are capable of more improving lateral stability of a vehicle when the vehicle is turning on a descent inclined road, may enable the vehicle to turn along a turning trace intended by a driver through cooperative control of active front steering (AFS) control and an electronic stability control (ESC) when the vehicle is turning on the descent inclined road. 1. A vehicle stability control method , comprising:determining, by a controller, whether a vehicle is turning on a descent inclined road;when the vehicle is determined as turning on the descent inclined road, determining, by the controller, a basic target yaw rate according to a steering angle and a vehicle speed and determining a corrected target yaw rate by correcting the determined basic target yaw rate;determining, by the controller, a target yaw moment on a basis of an error between an actual yaw rate of the vehicle and the corrected target yaw rate;determining, by the controller, a correction value of a front wheel steering angle and a control amount of a biased braking torque according to the target yaw moment;performing, by a front wheel steering angle correction device, front wheel steering correction according to the determined correction value of the front wheel steering angle and performing braking control on an outside turning wheel of the vehicle according to the determined control amount of the biased braking torque.2. The method of claim 1 , wherein the determining of whether the vehicle is turning on the descent inclined road includes determining whether the vehicle is traveling on the descent inclined road claim 1 , on a basis of a measured longitudinal acceleration value and a measured vertical acceleration value of the vehicle.3. The method of claim 1 , wherein the determining of the target yaw moment includes:determining a target yaw rate limit at a current vehicle speed; andcorrecting the target yaw rate so as not ...

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19-08-2021 дата публикации

COLLISION AVOIDANCE SUPPORT DEVICE

Номер: US20210253096A1
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A collision avoidance support device comprises target detection unit, target type determination unit, relative position determination unit, target track prediction unit, and vehicle track prediction unit, obstacle determination unit. The vehicle track prediction unit is configured to enlarge said width of a vehicle predicted track compared with a case where an enlargement condition is not satisfied when the enlargement condition is satisfied. The enlargement condition is satisfied when the relative position determination unit detects that a target determined to be a pedestrian by the target type determination unit is positioned on a travel lane at least once. 12-. (canceled)3. A device configured to:detect a target existing in front of a vehicle;determine whether a type of said target is pedestrian and said target is in a travel lane of a road in which said vehicle is traveling;calculate a target predicted track;calculate a vehicle predicted track which has a predetermined width orthogonal in a plan view to a travelling direction of said vehicle;determine whether said target predicted track and said vehicle predicted track interferes; andexecute, when it is determined that said target predicted track and said vehicle predicted track interferes, at least one of alert control to issue an alert and automatic brake control to activate a brake device of said vehicle, 'said device is configured to enlarge said width of said vehicle predicted track, when an enlargement condition is satisfied compared with a case where said enlargement condition is not satisfied, said enlargement condition being satisfied when it is determined that said type of said target is pedestrian and said target is in said travel lane.', 'wherein,'}4. The device of claim 3 , wherein the target predicted track is a track said target is predicted to move on.5. The device of claim 3 , wherein the vehicle predicted track is a track said vehicle is predicted to travel on.6. The device of claim 3 , wherein ...

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19-08-2021 дата публикации

VEHICLE DIG LOCK SYSTEM

Номер: US20210253162A1
Принадлежит:

A vehicle includes a propulsion system configured to selectively drive at least one wheel of a plurality of wheels, a brake system configured to selectively brake at least one wheel of the plurality of wheels, and a dig lock controller in signal communication with the propulsion system and the brake system. The dig lock controller is configured to, based on a driver request, selectively perform a vehicle rotating dig lock operation by braking one wheel of the plurality of wheels while driving at least one other wheel of the plurality of wheels to move the vehicle laterally about a pivot point at least partially defined by the braked wheel. 1. A vehicle , comprising:a propulsion system configured to selectively drive at least one wheel of a plurality of wheels;a brake system configured to selectively brake at least one wheel of the plurality of wheels; anda dig lock controller in signal communication with the propulsion system and the brake system;wherein the dig lock controller is configured to, based on a driver request, selectively perform a vehicle rotating dig lock operation by braking one wheel of the plurality of wheels while driving at least one other wheel of the plurality of wheels to move the vehicle laterally about a pivot point at least partially defined by the braked wheel.2. The vehicle of claim 1 , further comprising a steering wheel in signal communication with the dig lock controller claim 1 , wherein the dig lock controller performs the dig lock operation in a direction based at least in part on a left or right orientation of the steering wheel.3. The vehicle of claim 1 , further comprising a steering angle input switch in signal communication with the dig lock controller claim 1 , wherein the dig lock controller performs the dig lock operation in a direction based at least in part on a selection of the steering angle input switch.4. The vehicle of claim 3 , wherein the steering angle input switch comprises:a front dig switch, wherein the dig lock ...

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26-08-2021 дата публикации

Driver Assistance Method in which a Vehicle Performs a Driving Manoeuvre Automatically, and Closed-Loop and Open-Loop Control Device for a Braking Device of a Vehicle

Номер: US20210261103A1
Принадлежит:

The disclosure relates to a driver assistance method, in which a vehicle performs a driving manoeuvre automatically, and a braking device, in particular a parking brake, is at least partially actuated during the performance of the driving manoeuvre so that a braking action is constantly exerted on the wheels of at least one axle so that a drive of the vehicle operates counter to the braking action of the braking device in order to move the vehicle. According to the disclosure, during the driving manoeuvre at least one operating parameter which is related to an undesired increase in the braking action exerted on at least one wheel is detected and evaluated, and a braking action on at least one wheel is reduced in accordance with the result of said evaluation. 1. A method for assisting a driver , in which method a vehicle automatically carries out a driving maneuver , comprising:at least partially activating a parking brake such that the parking brake is at least partially actived while the driving maneuver is being carried out such that a braking effect is at least partially permanently exerted on at least one wheel of at least one axle during the driving maneuver;operating a drive of the vehicle counter to the at least partially activated parking brake;detecting at least one operating parameter which is associated with an unintentional increase of the braking effect exerted on the at least one wheel;evaluating the detected at least one operating parameter evaluated during the driving maneuver; andreducing the braking effect on the at least one wheel of based on the evaluation.2. The method as claimed in claim 1 , wherein:the at least one operating parameter comprises a variable that characterizes a drive torque of the drive of the vehicle; andreducing the braking effect on the at least one wheel includes reducing the braking effect on the at least one wheel when at least one of the variable characterizing the drive torque, and a variation of the variable ...

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01-08-2019 дата публикации

AIR SUPPLY SYSTEM FOR A WORK VEHICLE

Номер: US20190232735A1
Автор: Salzman Eran
Принадлежит:

An air supply system for a work vehicle includes a compressor configured to compress a first supply of ambient air and to output a compressed air supply via a compressed air line, an air induction assembly configured to receive the compressed air supply from the compressed air line and to flow the compressed air supply through a body of the air induction assembly to create a low pressure region sufficient to draw in a second supply of ambient air, wherein the body is configured to combine the second supply of ambient air with the compressed air supply to generate a combination air supply, and a tire inflation system fluidly coupled to the air induction assembly and configured to selectively increase and decrease an air pressure within a tire of the work vehicle. 1. An air supply system for a work vehicle , comprising:a compressor configured to compress a first supply of ambient air and to output a compressed air supply via a compressed air line;an air induction assembly configured to receive the compressed air supply from the compressed air line and to flow the compressed air supply through a body of the air induction assembly to create a low pressure region sufficient to draw in a second supply of ambient air, wherein the body is configured to combine the second supply of ambient air with the compressed air supply to generate a combination air supply; anda tire inflation system fluidly coupled to the air induction assembly and configured to selectively increase and decrease an air pressure within a tire of the work vehicle.2. The air supply system of claim 1 , wherein the tire inflation system comprises a pressure valve and a distribution line claim 1 , wherein the pressure valve is disposed along the distribution line and configured to control the increase and decrease of the air pressure within the tire.3. The air supply system of claim 1 , comprising an air cooler fluidly coupled to the air induction assembly and configured to lower a temperature of the ...

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23-07-2020 дата публикации

METHOD/DEVICE FOR IMPROVING BRAKING PERFORMANCE ON WHEELED VEHICLE

Номер: US20200231143A1
Принадлежит:

The present invention provides a method/device to improve braking performance on a wheeled vehicle comprising at least one driving axle, the wheeled vehicle further comprising a collision warning system and an emergency braking system and an air suspension system, the air suspension system comprising at least one air suspension module associated with the at least one driving axle and the air suspension system being configured to control the air pressure in the at least one air suspension module associated with the at least one driving axle, the collision warning system being configured to monitor the environment of the wheeled vehicle, and to determine if and when the emergency braking system may need to be actuated, so that when the collision warning system determines the emergency braking system may need to be actuated, the method being implemented by the collision warning system and comprising one step implemented before eventually actuating the emergency braking system, said step comprising actuating the air suspension system to increase the air pressure on the at least one of air suspension module associated with the at least one driving axle. 110-. (canceled)11. A wheeled vehicle comprising at least one driving axle , a collision warning system , an emergency braking system , and an air suspension system comprising at least one air suspension module associated with the at least one driving axle and configured to control air pressure in the at least one air suspension module wherein: monitor an environment of the wheeled vehicle,', 'determine whether to actuate the emergency braking system based on the environment,', 'when the collision warning system determines to actuate the emergency braking system, actuate the air suspension system to increase the air pressure on the at least one air suspension module prior to actuating the emergency braking system; and', 'actuate the emergency braking system., 'the collision warning system is configured to12. The wheeled ...

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07-09-2017 дата публикации

ENGINE CONTROL DEVICE AND METHOD FOR ESTIMATING BRAKE PEDAL DEPRESSING FORCE

Номер: US20170254284A1
Принадлежит: MAZDA MOTOR CORPORATION

A PCM () that is an engine control device functions to acquire a master vac negative pressure which is the negative pressure of a stabilized chamber of a master vac () which amplifies a brake pedal depressing force applied to a brake pedal (), and also acquire a brake working fluid pressure that is a braking hydraulic pressure produced by a master cylinder () in accordance with the brake pedal depressing force amplified by the master vac (), and in a case where both accelerator pedal () and a brake pedal () are depressed or actuated simultaneously, determine whether or not it is necessary to decrease engine output based on such master vac negative pressure and brake working fluid pressure to execute the output decreasing control for decreasing the engine output. 1. An engine control device configured to control an engine based on operation of an accelerator pedal and a brake pedal , comprising:a master vac negative pressure acquiring unit configured to acquire a master vac negative pressure in a master vac, wherein the master vac includes a stabilized chamber having an internal pressure kept negative, and a variable pressure chamber having an internal pressure which changes in accordance with an actuation of the brake pedal, wherein the master vac amplifies a brake pedal depressing force applied to the brake pedal in accordance with a difference between the internal pressure of the stabilized chamber and the internal pressure of the variable pressure chamber, and wherein the master vac negative pressure is a negative pressure of the stabilized chamber of the master vac;a brake working fluid pressure acquiring unit configured to acquire a brake working fluid pressure as a braking hydraulic pressure generated by a master cylinder in accordance with the brake pedal depressing force amplified by the master vac;a necessity determining unit configured to determine whether or not it is necessary to decrease engine output based on the master vac negative pressure acquired ...

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06-08-2020 дата публикации

Braking/driving force control system

Номер: US20200247385A1
Принадлежит: Toyota Motor Corp

A braking/driving force control system, during control for maintaining a target vehicle speed, performs fuel cut and then, when a required braking/driving force for maintaining the target vehicle speed reduces, makes a downshift while fuel cut is continued. The braking/driving force control system causes a brake to generate a braking force such that the sum of a braking/driving force that a powertrain generates and the braking force that the brake generates agrees with the required braking/driving force. Thus, good fuel efficiency and riding comfort are obtained.

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06-08-2020 дата публикации

Preemptive chassis control intervention for autonomous vehicle

Номер: US20200247393A1
Автор: Kevin Danford
Принадлежит: GM Cruise Holdings LLC

Described herein is a system and method for preemptive chassis control intervention for an autonomous vehicle having a mechanical system and a chassis controller. The chassis controller is configured to output a consumption signal that represents a percentage of an activation threshold consumed by an operation monitored by the chassis controller, wherein the chassis controller is activated to manipulate the mechanical system when the activation threshold is reached. A computing system of the autonomous vehicle receives the consumption signal output by the chassis controller to determine a path plan for the autonomous vehicle based upon the percentage of the activation threshold consumed by the operation monitored by the chassis controller. The computing system further controls the mechanical system to execute the path plan to preempt activation of the chassis controller.

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13-09-2018 дата публикации

LEARNING DRIVER RATE OF PEDAL CHANGE

Номер: US20180257655A1
Автор: Westover Nathan C.
Принадлежит:

Methods, systems, and apparatus for predicting the braking or acceleration of a vehicle. The pedal change prediction system includes a braking sensor for providing braking data or an acceleration sensor pedal for providing acceleration data. The pedal change prediction system includes an electronic control unit that is configured to determine a rate of depression of the brake pedal or the acceleration pedal that is associated with a first braking force or a first acceleration force. The electronic control unit is configured to predict a triggering event that is either a braking event or an acceleration event. The electronic control unit predicts the triggering event based on the rate of depression of the brake pedal or the acceleration pedal and causes the vehicle to apply a second braking force or a second acceleration force. 1. A pedal change prediction system for a vehicle , comprising:at least one of a braking sensor connected to a brake pedal for providing braking data or an acceleration sensor connected to an acceleration pedal for providing acceleration data; and determine a rate of depression of the brake pedal or the acceleration pedal based on the braking data or the acceleration data, the rate of depression of the brake pedal or the acceleration pedal associated with a first braking force or a first acceleration force,', 'predict a triggering event that is either a braking event or an acceleration event based on the rate of depression of the brake pedal or the acceleration pedal, and', 'cause the vehicle to apply a second braking force or a second acceleration force based on the triggering event., 'an electronic control unit connected to the at least one of the braking sensor or the acceleration sensor and configured to2. The pedal change prediction system of claim 1 , wherein to predict the triggering event that is either the braking event or the acceleration event based on the rate of depression the electronic control unit is configured to:determine ...

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21-09-2017 дата публикации

Electric Equipment of a Vehicle, Comprising an at Least Partly Electric Braking and Steering Device with High Availability

Номер: US20170267221A1
Принадлежит:

A braking system and a method of operating such a braking system are provided for a vehicle having at least partly electric braking, a steering device containing an electric or electromechanical steering device, an electronic steering controller and an electric steering adjuster and containing a service brake device. The system includes an electropneumatic service brake device containing an electropneumatic service brake valve device, an electronic brake controller, electropneumatic modulators, pneumatic wheel brake actuators, a service brake actuating element, and at least one electric channel () with at least one electric brake value transmitter which senses activation of the service brake actuating element. The at least one electric brake value transmitter produces actuation signals which are relayed to the electronic brake controller. The electronic brake controller causes a first actuation force to be applied to at least one control piston of the service brake valve device to control at least one double seat valve of the service brake valve device to generate pneumatic braking pressures or brake control pressures for the pneumatic wheel brake actuators. The electronic controls are further configured to generate a second actuation force on the at least one control piston when a brake request independent of the driver's request exists, independent of a driver brake request. The electropneumatic service brake device is supplied with energy independently from energy supplied to the electropneumatic service brake valve device and the electric or electromechanical steering device.

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13-08-2020 дата публикации

BRAKE BY WIRE BRAKING SYSTEM FOR VEHICLES, PROVIDED WITH ELECTRIC ACTUATION AND ELECTRIC BACK-UP

Номер: US20200254988A1
Принадлежит: FRENI BREMBO S.P.A.

A braking system for vehicles may have a control unit for two brake groups operatively connected to electromechanical actuators for each brake group through a relative piloting device. Each control unit may be powered by a power source and being galvanically isolated from other power sources. Each control unit may be programmed to implement, via a piloting device, a standard braking strategy in case of detection of a standard operation of each brake group and a fault braking strategy, if it detects an electrical fault of one or more of the brake groups. 116-. (canceled)17. A braking system for vehicles , comprising:a right front brake group and a left front brake group intended for the front axle of a vehicle, right rear brake group and a left rear brake group intended for a rear axle of a vehicle,each brake group comprising a brake disc, a braking device associated with said brake disc, and electro-hydraulic or electromechanical actuator devices for each braking device,a control unit for each brake group, operatively connected to the electromechanical actuators of each brake group through a relative piloting device,each control unit being powered by an independent power source and being galvanically isolated from the other power sources,each control unit being programmed to implement, via said piloting device, a standard braking strategy in case of malfunctions for each brake group and a fault braking strategy, if it detects an electrical fault of one or more of the brake groups.18. The braking system for vehicles according to claim 17 , wherein each control device is programmed to switch from a first switch position claim 17 , corresponding to the standard braking strategy claim 17 , to a second switch position corresponding to the fault-braking strategy.19. The braking system for vehicles according to claim 17 , wherein all the control units are operatively connected to each other so that each knows the type of operation claim 17 , standard or fault claim 17 , ...

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04-11-2021 дата публикации

CENTRAL ELECTRO-PNEUMATIC PRESSURE CONTROL MODULE IMPLEMENTED AS A COMPONENT AND HAVING AN INTEGRATED CENTRAL BRAKE CONTROL DEVICE

Номер: US20210339722A1
Принадлежит:

An electro-pneumatic central pressure control module, having at least two channels, implemented as a structural unit for an electro-pneumatic service brake of a vehicle, having at least two pressure control channels which are electrically controllable with regard to a brake pressure. A central electronic brake control device has a board, carrying electrical and electronic components, in which routines at least for controlling the brake pressure and for controlling the driving dynamics are implemented in the electrical and electronic components. At least one inertial sensor is arranged on or at the at least one board and is electrically conductively connected to at least several of the electrical and electronic components on the board so that the output signals of the at least one inertial sensor are integrated into the at least several electrical and electronic components for carrying out the control of the driving dynamics. 133-. (canceled)34. An electro-pneumatic central pressure control module , comprising:an electro-pneumatic central pressure control device having at least two-channels, embodied as a functional unit, for an electro-pneumatic service brake installation of a vehicle, having at least two pressure control channels which are electrically controllable in terms of a brake pressure;wherein:a) for each pressure control channel, a controlled service brake pressure for at least one service brake cylinder of the service brake installation is generated based on an operating air emanating from at least one compressed-air reservoir as a function of electric brake request signals of an electric channel of a foot brake valve; and whereinb) a first pressure control channel of the at least two electric pressure control channels that are able to be controlled as separate circuits controls a first service brake pressure in service brake cylinders on at least one first axle, and a second pressure control channel of the at least two electric pressure control channels ...

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11-12-2014 дата публикации

METHODS AND SYSTEMS FOR SPEED MANAGEMENT WITHIN A TRANSPORTATION NETWORK

Номер: US20140365096A1
Принадлежит: GENERAL ELECTRIC COMPANY

A method includes operating a vehicle traveling in a transportation network with a throttle of the vehicle at a maximum throttle setting during a trip of the vehicle along a route from a first location to a different, second location. The method also includes applying a dynamic brake of the vehicle at a maximum brake setting of the dynamic brake, and alternating between operating the vehicle with the throttle at the maximum throttle setting and applying the dynamic brake of the vehicle at the maximum brake setting along a route being traveled by the vehicle from the first location to the second location. 1. A method comprising:operating a vehicle traveling in a transportation network with a throttle of the vehicle at a maximum throttle setting during a trip of the vehicle along a route from a first location to a different, second location;applying a dynamic brake of the vehicle at a maximum brake setting of the dynamic brake; andalternating between operating the vehicle with the throttle at the maximum throttle setting and applying the dynamic brake of the vehicle at the maximum brake setting along a route being traveled by the vehicle from the first location to the second location.2. The method of claim 1 , wherein alternating between operating the vehicle with the throttle at the maximum throttle setting and applying the dynamic brake of the vehicle at the maximum brake setting comprises holding a speed of the vehicle at or below a designated speed value in one or more locations along the route of the vehicle.3. The method of claim 1 , wherein alternating between operating the vehicle with the throttle at the maximum throttle setting and applying the dynamic brake of the vehicle at the maximum brake setting comprises reducing a travel time of the trip of the vehicle within the transportation network relative to operating the vehicle at one or more other throttle settings.4. The method of claim 1 , wherein applying the dynamic brake comprises calculating claim 1 , ...

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29-08-2019 дата публикации

Vehicle Movement Control Device, Vehicle Movement Control Method, and Vehicle Movement Control Program

Номер: US20190263368A1
Принадлежит: HITACHI AUTOMOTIVE SYSTEMS LTD

An object of the invention is to realize an M+ control which is suitable to a driving scene without depending on pedal operation information of a driver. A vehicle motion control device according to the invention sets an absolute value of deceleration generated in the vehicle in a period in which the lateral motion of the vehicle is predicted to be changed from a state where the vehicle takes the lateral motion to a state where the vehicle does not take the lateral motion to be smaller than that generated in a period in which the lateral motion of the vehicle is predicted to be changed from a state the vehicle takes one of right and left lateral motions to a state where the vehicle takes the other lateral motion.

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27-09-2018 дата публикации

SYSTEM AND METHOD FOR STEERING COMPENSATION

Номер: US20180273005A1
Принадлежит:

Systems and methods for performing steering compensation can include determining vehicle operation conditions, determining vehicle operations to perform in order to advance a vehicle along a desired trajectory, and performing the determined vehicle operations. The vehicle operations can include automated braking and torque vectoring. Torque vectoring can be performed using one or more differentials or one or more torque motors, each torque motor configured to apply torque to an individual wheel of the vehicle. 1. A chassis control system of a vehicle comprising:a first braking system configured to provide braking for the vehicle;a second braking system configured to provide braking for the vehicle;a first steering system configured to provide steering for the vehicle;a second steering system configured to provide steering for the vehicle;an Advanced Driver Assistance Systems (ADAS) configured to provide control signals to each of the first braking system, the second braking system, the first steering system, and the second steering system;a first data bus connecting each of the first braking system, the second braking system, the first steering system, and the second steering system to the ADAS; anda second data bus connecting each of the first braking system, the second braking system, the first steering system, and the second steering system to the ADAS;wherein each of the first braking system, the second braking system, the first steering system, and the second steering system is connected to both the first data bus and the second data bus through a connection comprising a same pair of input and output pins.2. The chassis control system of wherein the first braking system comprises an electronic stability program (ESP).3. The chassis control system of claim 2 , wherein the second braking system comprises an electric braking system separate from the ESP.4. The chassis control system of claim 1 , wherein the first steering system comprises an electronic power ...

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15-10-2015 дата публикации

Steering control device

Номер: US20150291210A1
Автор: Yusuke Kageyama
Принадлежит: Nissan Motor Co Ltd

A steering control device suppresses response delay to stabilize a behavior of a vehicle during turning braking. The steering control device includes a steer-by-wire system that controls an actuator that detects displacement of a steering angle when a steering wheel is steered and operates a turning mechanism that turns a turning wheel separated from the steering wheel based on a detection result; a vehicle yaw angle detector; a steering angle detector; a turning state detector that detects a turning state of the vehicle based on the yaw angle; a braking state detector that detects a braking state of the vehicle; and a yaw angle controller that controls the actuator to suppress a yaw angle deviation before and after braking when the turning state of the vehicle is detected by the turning state detector and when the braking state of the vehicle is detected by the braking state detector.

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