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Method and means for avoiding collision between a motor vehicle and obstacles

  • US 5,343,206 A
  • Filed: 01/06/1993
  • Issued: 08/30/1994
  • Est. Priority Date: 07/05/1990
  • Status: Expired due to Term
First Claim
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1. In a method for avoiding collision between a human driven motor vehicle and at least one obstacle comprising the stages of:

  • searching for at least one obstacle (120) in an environment in front of the motor vehicle (100) along a presumed path (119) for the motor vehicle, calculating the distance (dobst) and the relative speed (Vobst) of the obstacle, and indicating the obstacle with an indication of its hazard level, these stages being repeated cyclicly, the improvement in that the stage of searching for the obstacle comprises;

    generating a map (115) of the environment in front of the motor vehicle (100) by scanning the environment;

    reconstructing the geometry of a road (116) on the basis of the map (115);

    reconstructing the presumed path (119) of the motor vehicle on the basis of the reconstructed geometry of the road; and

    searching for the obstacle (120) within the reconstructed presumed path.

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