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Host vehicle moving area acquisition device and acquisition method

  • US 7,961,084 B2
  • Filed: 06/04/2008
  • Issued: 06/14/2011
  • Est. Priority Date: 06/05/2007
  • Status: Active Grant
First Claim
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1. A host vehicle moving area acquisition device comprising:

  • a moving area setting portion configured to set a moving area in which a host vehicle can move; and

    a traffic condition acquisition portion configured to acquire a traffic condition around the host vehicle;

    wherein;

    the moving area setting portion is configured to adjust the moving area on the basis of the traffic condition;

    the traffic condition acquisition portion includes;

    a host vehicle path acquisition portion configured to acquire a plurality of paths of the host vehicle in the moving area;

    an obstacle path acquisition portion configured to acquire a path of an obstacle in the vicinity of the host vehicle; and

    a safety degree acquisition portion configured to acquire a safety degree on the basis of each of the paths of the host vehicle and the path of the obstacle, wherein a higher safety degree represents a probability of no collision between the host vehicle and the obstacle;

    the traffic condition includes the safety degree acquired by the safety degree acquisition portion; and

    the moving area setting portion is configured to acquire an extended area in which the moving area of the host vehicle is extended, if the safety degree is equal to or lower than a predetermined threshold, wherein the extended area allows for the creation of additional paths for the host vehicle so as to avoid collision.

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