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Vehicle steering control device

  • US 7,073,621 B2
  • Filed: 11/13/2003
  • Issued: 07/11/2006
  • Est. Priority Date: 11/26/2002
  • Status: Expired due to Fees
First Claim
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1. A device for controlling a steering characteristic of a vehicle, the vehicle having a vehicle body, at least one pair of left and right wheels including at least one pair of left and right steered wheels, a steering wheel and a steering apparatus operated based upon a motion of the steering wheel and a control of the device, so as to enhance an effect of suppressing a change in a behavior of the vehicle body due to a difference between driving and braking forces on the left and right wheels, wherein:

  • the device makes an amount of controlling the steering characteristic smaller as an index indicating an amount of a shift of vertical loads between the left and right wheels is increased; and

    in the vehicle, a traction control is executed in which a braking force of a driven wheel of the wheels is controlled when either of acceleration slips on the driven wheels is excessive;

    the steering characteristic is controlled so as to enhance an effect of suppressing a change in a behavior of the vehicle due to a difference between driving forces on the left and right wheels; and

    the difference between the driving forces on the left and right wheels are estimated based upon a difference between the braking forces on the left and right driven wheels under the traction control for either of the driven wheels.

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