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Driving Assistance System and Driving Assistance Method

  • US 20090048738A1
  • Filed: 11/30/2006
  • Published: 02/19/2009
  • Est. Priority Date: 12/01/2005
  • Status: Active Grant
First Claim
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1. A driving assistance system that includes an actuator for steering steered wheels of a vehicle, comprising:

  • a vehicle speed detecting unit that detects a speed of the vehicle;

    an information acquiring unit that acquires information about the environment around the vehicle;

    a positional deviation detecting unit that detects a deviation of a position of the vehicle from a forward travel path of the vehicle based on the information acquired by the information acquiring unit;

    a steering control variable determination unit that determines a steering control variable to correct the deviation of the position of the vehicle from the forward travel path of the vehicle; and

    a steering control unit for controlling the actuator based on the steering control variable,wherein, if the vehicle speed detected by the vehicle speed detecting unit is equal to or greater than a first predetermined speed, the steering control variable for the detected deviation of the position of the vehicle from the forward travel path decreases with increasing vehicle speed.

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