Motor vehicle and method of control thereof

A technology for motor vehicles and vehicles, which is applied to motor vehicles, motor starters for engines, hybrid vehicles, etc., which can solve the problems of vehicles driving down slopes, etc., and achieve the effect of reducing risks

Active Publication Date: 2014-01-08
JAGUAR LAND ROVER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There is an issue where the vehicle may roll backwards down a slope if the vehicle remains stationary on an uphill slope and the engine fails to restart when the brake pedal is released

Method used

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  • Motor vehicle and method of control thereof
  • Motor vehicle and method of control thereof

Examples

Experimental program
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Embodiment Construction

[0040] figure 1 A stop / start vehicle 100 according to an embodiment of the invention is shown having an internal combustion engine 121 , an automatic transmission 124 and a set of four wheels 111 , 112 , 114 , 115 . Each wheel has a respective disc brake 111B, 112B, 114B, 115B operable by means of a driver operated brake pedal 130P to decelerate the vehicle while the vehicle is in motion. The rear wheels 114, 115 of the vehicle are also provided with respective driver-operated parking brakes 114P, 115P, respectively, in the form of drum brakes. The parking brakes 114P, 115P are operable to be applied and released by means of a driver operated parking brake actuator 130A in the form of a push button actuator.

[0041] The vehicle 100 has an engine controller 121C, a brake controller 130C, a transmission controller 124C, and a vehicle body controller 140C. like figure 2As shown, the controllers 121C, 130C, 124C, 140C are arranged to communicate with each other by means of a ...

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PUM

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Abstract

Illustrative example embodiments provide a motor vehicle including an actuator means operable to provide motive power to the vehicle. The vehicle is operable automatically to switch off and subsequently to restart the actuator means during a drivecycle thereby to reduce an amount of time the actuator means is on during a given drivecycle. The vehicle may be placed in an eco-stop condition by driver-operated brake means in which the vehicle is held stationary and the actuator means is off, The vehicle. is operable automatically to perform an eco-start operation in which the actuator means is restarted when the driver signals release of the brake means. When an eco-start is performed the vehicle is arranged automatically to continue to be held stationary by means of the brake means while the actuator means is restarted. If the actuator means fails to restart, the vehicle is arranged automatically to assume a failed start condition in which the vehicle continues to be held stationary.

Description

technical field [0001] The invention relates to a motor vehicle and a method of controlling the same. In particular but not exclusively, the invention relates to stopping / starting a vehicle and a method of controlling the same in the event of a failure to start the engine. Background technique [0002] It is known to provide motor vehicles with a stop / start function in which the vehicle's engine is switched off to save fuel when conditions permit, such as when the vehicle is held stationary by depressing the driver-operated brake pedal. When the driver releases the brake pedal, the engine restarts and drives the vehicle's drivetrain through the transmission. [0003] There is an issue where if the vehicle remains stationary while going up a slope and the engine fails to restart when the brake pedal is released, the vehicle may roll backwards down the slope. It is an object of embodiments of the present invention to at least partially alleviate this disadvantage of known st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T7/12
CPCB60W10/182B60W50/029B60W10/184B60W30/18118B60W30/18054B60W10/06B60T2201/06B60T7/122B60W2050/0297B60K6/48B60W10/08B60W20/00B60W30/18018B60W50/02F02N11/0814F02N11/0822
Inventor 巴普蒂斯特·比罗阿贾伊·凯姆瓦尔-内尔亚当·基思·莱瑟兰罗布·佩林
Owner JAGUAR LAND ROVER LTD
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