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Method and control unit for robustly detecting a lane change of a vehicle

  • US 9,592,829 B2
  • Filed: 08/06/2010
  • Issued: 03/14/2017
  • Est. Priority Date: 08/21/2009
  • Status: Active Grant
First Claim
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1. A method for providing a curvature of a desired target line for a lane guidance of a vehicle, comprising:

  • receiving, by an optical sensor, at least one of a first piece of traffic lane information, which represents an optically detected first traffic lane boundary one of next to or in front of a left-hand vehicle side, and a second piece of traffic lane information, which represents an optically detected second traffic lane boundary one of next to or in front of a right-hand vehicle side; and

    ascertaining, by an analyzing unit, a curvature of the desired target line for lane guidance of the vehicle from at least one of the first piece of traffic lane information weighted using a first weighting factor, and the second piece of traffic lane information weighted using a second weighting factor;

    wherein, in the step of ascertaining;

    the curvature of the desired target line is based on an addition of a first curvature weighted using the first weighting factor and of a second curvature weighted using the second weighting factor, the first curvature being derivable from the first piece of traffic lane information, and the second curvature being derivable from the second piece of traffic lane information, andbased on a comparison between (i) a correlation value that represents the first curvature from the first piece of traffic lane information and the second curvature from the second piece of traffic lane information and (ii) a predefined correlation threshold value, one of (a) an identical value is and (b) different values are used for the first weighting factor and the second weighting factor.

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