Method and system for computing a vehicle body slip angle in...

Details Method and system for computing a vehicle body slip angle in... Method and system for computing a vehicle body slip angle in...

B - Operations, Transporting

60

K

B60K 28/16 (2006.01) B62D 6/00 (2006.01) B62D 6/04 (2006.01)

Patent

CA 2254477

Provided are a method and system for computing a vehicle body slip angle in the vehicle movement control so as to allow the vehicle movement to be controlled with an adequate response and stability for practical purposes even without directly detecting or accurately estimating the frictional coefficient between the road surface and the tire. A tire slip angle is computed from a yaw rate, a vehicle speed, a vehicle body slip angle and a road wheel steering angle; a cornering force is computed from a dynamic model of the tire by taking into account at least the tire slip angle; and a hypothetical vehicle body slip angle is computed from the cornering force, the vehicle speed and the yaw rate; the tire slip angle being computed by feeding back the hypothetical vehicle body slip angle in a recursive manner.

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