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Steering assistance method and device for a motor vehicle

  • US 7,308,345 B2
  • Filed: 06/01/2005
  • Issued: 12/11/2007
  • Est. Priority Date: 06/03/2004
  • Status: Active Grant
First Claim
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1. A method for assisted steering, including the assisted maneuvering and parking, of a motor vehicle, comprising the following steps:

  • determining a nominal driving path (X) with a starting point (S) and a destination point (Wnominal) and a nominal center of rotation (Dnominal);

    outputting the nominal driving path (X);

    setting the motor vehicle in motion;

    determining an actual position (W1) of the motor vehicle;

    shifting said nominal center of rotation (Dnominal) to a deviant center of rotation (DA) when movement of said motor vehicle deviates from said nominal driving path;

    determining a deviant circular arc (KA) traveled based on said deviant center of rotation (DA) as well as a first (K1) and a second (K2) corrective circular arc if the actual position (W1) deviates from the nominal driving path (X), wherein the second corrective circular arc (K2) is a congruent projection of the deviant circular arc (KA) and ends at the destination point (Wnominal), and wherein a corrected nominal driving path (K1, K2) is generated as output; and

    adjusting movement of said motor vehicle based on said corrected nominal driving path.

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