Stability control and inclined surface control using a common signal source

A technology of stability control and slope, which is applied in the field of vehicle stability control and slope control, and can solve problems such as rare rollover conditions

Inactive Publication Date: 2010-01-20
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, rollove

Method used

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  • Stability control and inclined surface control using a common signal source
  • Stability control and inclined surface control using a common signal source
  • Stability control and inclined surface control using a common signal source

Examples

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Embodiment Construction

[0017] Describes a vehicle system for an engine-propelled vehicle having slope control and electronic vehicle stability control (ESC), such as roll stability control (RSC), both of which can receive Input from common vehicle inclination sensor.

[0018] Hill control may include a hill hold function and a hill descent control function. The hill hold function may be performed with the vehicle started on an incline from a stop or near stop and may selectively engage the braking mechanism until the engine torque is above a predetermined threshold to move the vehicle forward and up the incline without Any significant slippage. The braking mechanism may be configured to brake the one or more wheels respectively on the right and left sides of the vehicle substantially equally.

[0019] The hill descent control function can be performed while the vehicle is moving downhill and can be used to control the vehicle speed. The Hill Descent Control feature also activates the braking mech...

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PUM

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Abstract

The invention relates to stability control and inclined surface control using a common signal source, especially a method and system are disclosed for controlling a vehicle. The method includes adjusting a first actuator to increase vehicle stability during vehicle traveling conditions, the actuator adjusted in response to a vehicle acceleration sensor. The method also includes adjusting a second actuator to maintain vehicle position during stopped vehicle conditions on an inclined surface, the second actuator adjusted in response to the vehicle acceleration sensor. The invention can realize stability control and inclined surface control by using a common signal source.

Description

technical field [0001] The present invention relates to vehicle stability control and slope control. Background technique [0002] Some vehicles, especially those equipped with automatic transmissions, may be equipped with a hillholding control function to prevent or reduce rollback until the engine is fully engaged with the transmission to move the vehicle forward. Hill hold control may include brake control configured to apply brakes to wheels of the vehicle until the engine provides sufficient torque to begin moving the vehicle forward. However, if the brakes are applied for too long, or with too much force, the engine will fight the braking force and waste fuel. To reduce fuel consumption, the applied braking force or the length of time the brakes are applied can be adjusted according to the gradient of the slope. [0003] The vehicle can also be equipped with hill descent control to prevent excessive speed when driving down an incline. Hill Descent Control performs a...

Claims

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Application Information

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IPC IPC(8): B60W30/02B60W10/18B60W10/04B60W10/10B60W30/06B60W40/10B60W40/06
CPCB60W30/02B60W30/04
Inventor 杰弗里·艾伦·多林迈克尔·格伦·福多尔曾弘德
Owner FORD GLOBAL TECH LLC
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