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Method and apparatus for target vehicle identification in automatic cruise control and collision avoidance systems

  • US 20030225519A1
  • Filed: 06/03/2002
  • Published: 12/04/2003
  • Est. Priority Date: 06/03/2002
  • Status: Active Grant
First Claim
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1. A method for identifying a target vehicle in transient and non-transient situations, comprising:

  • determining a position of an ACC vehicle;

    estimating a position of a preceding vehicle relative to the position of the ACC vehicle from the position of the ACC vehicle;

    creating a time-dependent position trace of the preceding vehicle;

    estimating a radius “

    a”

    of the position trace of the preceding vehicle by applying circular curve fitting to the position trace of the preceding vehicle to create a curve; and

    determining whether the preceding vehicle is in a path of the ACC vehicle by examining a curve fitting error.

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