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Collision prediction and mitigation method for a vehicle

  • US 20080046145A1
  • Filed: 08/17/2006
  • Published: 02/21/2008
  • Est. Priority Date: 08/17/2006
  • Status: Abandoned Application
First Claim
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1. A method of mitigating an impending collision of a host vehicle with a target obstacle, comprising the steps of:

  • detecting a time-to-collision between the host vehicle and the target obstacle;

    calculating a steering radius of the host vehicle based on a velocity of the host vehicle and a lateral acceleration parameter;

    estimating a time-to-turn for avoiding the impending collision by steering the host vehicle based on the calculated steering radius;

    estimating a time-to-brake for avoiding the impending collision by braking the host vehicle;

    selecting a minimum time for avoiding the impending collision by steering or braking the host vehicle; and

    initiating automatic braking of the host vehicle if the selected minimum time exceeds the detected time-to-collision.

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