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Adaptive Braking for Vehicle Control Systems

A technology of host vehicle and controller, applied in the field of vehicle control system, can solve the problem that automatic braking action should not be removed

Active Publication Date: 2021-06-18
BENDIX COMML VEHICLE SYST LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some driving situations the automatic braking action should not be removed

Method used

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  • Adaptive Braking for Vehicle Control Systems
  • Adaptive Braking for Vehicle Control Systems
  • Adaptive Braking for Vehicle Control Systems

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] figure 1 A vehicle system 10 is illustrated in accordance with one example of the present invention. The vehicle system 10 includes an adaptive cruise controller 12 , a braking system controller 24 , and an engine controller 26 . Adaptive cruise controller 12 , braking system controller 24 and engine controller 26 communicate via vehicle serial communication bus 22 .

[0009] The brake system controller 24 receives and sends messages over the vehicle serial communication bus 22 . The brake system controller 24 receives signals from a steering angle sensor 28 and a yaw rate sensor 29 . The brake system controller 24 sends a brake control signal to at least one brake control device 30 . The braking system controller 24 may send the steering angle sensor signal and the yaw rate sensor signal to the adaptive cruise controller 12 via the vehicle serial communication bus 22 . The steering angle sensor signal is indicative of both the direction of the steering action and t...

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Abstract

A controller (24) for an adaptive braking system on a host vehicle identifies a first object (42) in a traffic lane of the host vehicle; monitors a request for active braking intervention; monitors an adjacent traffic lane for the host vehicle (40 ) for other targets (44); and in response to receiving an active braking intervention request and not identifying other targets for the host vehicle in an adjacent traffic lane, sending a first braking signal at an output to start at a first braking level Control braking action. If the controller identifies a second object in an adjacent traffic lane, it receives a travel signal indicating a change in the direction of travel of the host vehicle toward the second object; it will send a second braking signal to control braking at a second braking level. move. The second braking level is different from the first braking level.

Description

Background technique [0001] The present invention relates to an embodiment of a vehicle control system with adaptive braking. A vehicle control system, such as an adaptive cruise control system with braking, will automatically apply the vehicle's service brakes in response to certain driving situations. For example, if a target vehicle with a negative relative velocity is detected and the host vehicle is within a predetermined brake activation zone from the target vehicle; then the vehicle control system will automatically apply the service brakes. If a steering action is detected by the vehicle control system, service brake actuation is removed with the intention of allowing the driver to override the ability to maintain control of the vehicle. However, in some driving situations the automatic braking action should not be removed. Contents of the invention [0002] Various embodiments of a controller for a vehicle system include an input for receiving a travel signal indi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T7/12
CPCB60T7/12B60W30/095G08G1/167B60T2201/08B60W10/18B60W30/08B60W30/14B60T7/22B60T2201/02B60T2210/32
Inventor A·L·肯尼迪M·K·莱舍
Owner BENDIX COMML VEHICLE SYST LLC