Vehicle motion control apparatus
First Claim
1. A vehicle motion control apparatus for performing a vehicle stability control on the basis of a parameter indicative of lateral margin for a tire on a road, comprising:
- steering control means for controlling a relationship between a steering angle and a tire angle to be varied;
decelerating control means for controlling a vehicle speed to be decreased;
monitor means for monitoring the parameter indicative of lateral margin for the tire; and
motion control means for controlling said steering control means and said decelerating control means on the basis of the parameter monitored by said monitor means, said motion control means controlling said steering control means to decrease the tire angle relative to the steering angle, when the parameter is decreased from a value of relatively large lateral margin to a value of relatively small lateral margin, which is smaller than a first threshold value, and said motion control means controlling said decelerating control means to decrease the vehicle speed in addition to the steering control by said steering control means, when the parameter is further decreased to a value of lateral margin smaller than a second threshold value, which is smaller than the first threshold value.
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Accused Products
Abstract
A vehicle motion control apparatus is provided for performing a vehicle stability control on the basis of a parameter indicative of lateral margin for a tire on a road. The apparatus includes a steering control device for controlling a relationship between a steering angle and a tire angle to be varied, and a decelerating control device for controlling a vehicle speed to be decreased. The parameter indicative of lateral margin for the tire is monitored, and the steering control device and the decelerating control device are controlled on the basis of the monitored parameter. The steering control device is controlled to decrease the tire angle relative to the steering angle, when the parameter is decreased from a value of relatively large lateral margin to a value of relatively small lateral margin, which is smaller than a first threshold value, and the decelerating control device is controlled to decrease the vehicle speed in addition to the steering control by the steering control device, when the parameter is further decreased to a value of lateral margin smaller than a second threshold value, which is smaller than the first threshold value.
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Citations
9 Claims
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1. A vehicle motion control apparatus for performing a vehicle stability control on the basis of a parameter indicative of lateral margin for a tire on a road, comprising:
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steering control means for controlling a relationship between a steering angle and a tire angle to be varied;
decelerating control means for controlling a vehicle speed to be decreased;
monitor means for monitoring the parameter indicative of lateral margin for the tire; and
motion control means for controlling said steering control means and said decelerating control means on the basis of the parameter monitored by said monitor means, said motion control means controlling said steering control means to decrease the tire angle relative to the steering angle, when the parameter is decreased from a value of relatively large lateral margin to a value of relatively small lateral margin, which is smaller than a first threshold value, and said motion control means controlling said decelerating control means to decrease the vehicle speed in addition to the steering control by said steering control means, when the parameter is further decreased to a value of lateral margin smaller than a second threshold value, which is smaller than the first threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification