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VEHICLE STEERING SYSTEM

  • US 20070288142A1
  • Filed: 06/06/2007
  • Published: 12/13/2007
  • Est. Priority Date: 06/07/2006
  • Status: Active Grant
First Claim
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1. A vehicle steering system comprising:

  • a steering actuator (M) for imparting a steering force to a steering mechanism (1) of a vehicle;

    an automatic steering controller (22) for performing an automatic steering control by controlling the steering actuator;

    a driving state detector (11, 25) for detecting a driving state of the vehicle during the automatic steering control;

    threshold value setting means (S1, S2, S5;

    S11) for variably setting a threshold value (TH) for permitting an intervention in the automatic steering control based on the driving state; and

    automatic steering intervention means (24, 29, S3, S4, S6, S7;

    S12, S13) for intervening in the automatic steering control based on a threshold value set by the threshold value setting means.

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