Abstract:Active steering control strategy in steer-by-wire system was studied based on variable steering ratio. The influence of steering ratio on steering sensitivity and the desired yaw rate gain was analyzed through simulation, to improve the controllability and stability of steer-by-wire system. Set the minimum closed-loop deviation of vehicle controllability and stability as the goal, the desired yaw rate gain was optimized using genetic algorithm, and the surface chart of variable steering ratio was desired based… Show more
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