| 摘要 |
A driftout control device of a four wheel steered vehicle has a brake/traction system for selectively applying a braking or a traction force to each of the four wheels, and a steering system for selectively steering a pair of front and a pair of rear wheels separately, wherein the driftout control device includes a first controller for controlling the brake/traction system so as selectively to generate a turn assist yaw moment in the vehicle, and a second controller for controlling the steering system so as selectively to steer the pair of rear wheels in a same steering direction as a steering of the pair of front wheels for a turn running of the vehicle when the first controller is controlling the brake/traction system for generation of the turn assist yaw moment, so that an anti-turn yaw moment generated by the rear wheels steered in the same direction as the front wheels is canceled by an increased generation of the turn assist yaw moment, while ensuring a larger centripetal side force at the rear wheels to suppress the driftout.
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