Collision warning system and method for a motor vehicle

Details Collision warning system and method for a motor vehicle Collision warning system and method for a motor vehicle

2007-08-21

2007-08-21

Nguyen, Hung (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

C340S435000, C340S438000, C340S439000, C340S903000, C701S301000, C701S070000, C342S070000, C342S071000

Reexamination Certificate

active

11042382

ABSTRACT:
A collision warning system and method for a motor vehicle. A measuring device in the vehicle is provided for measuring the distance dx to a second vehicle traveling ahead, the distance signal being delivered to an evaluation device in the first vehicle. The evaluation device continuously calculates a deceleration asubject vehicle demand, which is applied by the vehicle after expiration of a driver reaction time Treactionin order that a remaining distance dxremainingto the second vehicle traveling ahead can be maintained. If asubject vehicle demandexceeds an instantaneous deceleration that can be achieved by an adaptive cruise control (“ACC”) system, a system limit warning is transmitted, prompting the vehicle driver to brake with additional appropriate force. If asubject vehicle demandexceeds an assumed vehicle deceleration that can be generated by braking on the part of the driver, a collision warning signal is transmitted independently of the ACC system.

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