Global IP Counselors, LLP
Vehicle control device and vehicle control method
A vehicle control device includes a variable-damping-force shock absorber, a sprung vibration damping control device, an unsprung vibration damping control device, a driving state-determining device, a damping force distribution factor-calculating device, and a damping force control device that, when the driving state-determining device determines that the vehicle is traveling in a straight line, controls the damping force of the variable-damping-force shock absorber on the basis of a greater of an unsprung vibration damping control amount and a sprung vibration damping control amount, and that, when the driving state-determining device determines that the vehicle is turning, calculates the damping force control amount on the basis of an unsprung vibration damping control amount so as to maintain the damping force distribution factor, and controls the damping force of the variable-damping-force shock absorber on the basis of a greater of a calculated damping force control amount and the sprung vibration damping control amount.
Nissan Motor Co., Ltd.
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Katsuhiko Hironobu
Hirayama Kikuchi