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Method and device for automatically triggering a deceleration in a motor vehicle

  • US 7,035,735 B2
  • Filed: 07/11/2002
  • Issued: 04/25/2006
  • Est. Priority Date: 07/11/2001
  • Status: Active Grant
First Claim
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1. A method for automatically triggering a deceleration of a vehicle to one of prevent a collision with another object and reduce consequences of an impending collision with the another object, the method comprising:

  • detecting objects in a range of a course of the vehicle using at least one of radar, lidar and video;

    recording motion variables of the vehicle;

    determining an endangerment potential as a function of a detected object and of the motion variables; and

    controlling a deceleration arrangement of the vehicle as a function of a determined endangerment potential, the deceleration arrangement being operable in a plurality of states including;

    a first state in which the decelerating arrangement is inactive;

    a second state in which the decelerating arrangement is operated to prepare the vehicle for braking; and

    a third state in which the deceleration arrangement is operated with a deceleration value that is below a maximum deceleration; and

    a fourth state in which the decelerating arrangement is operated with a deceleration value that corresponds approximately to a maximum deceleration; and

    a fifth state in which the decelerating arrangement is operated with front wheels blocked and rear vehicle wheels free.

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