Study on Optimal Design of Ideal Steering Ratios Based on Genetic Algorithm

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Abstract:

The design method of ideal steering ratio based on constant yaw rate gain is studied in this paper.The linear 2-DOF vehicle model is established.The open loop total variance is selected as the objective function and the yaw rate gain is optimized by genetic algorithm. Then the ideal steering ratio is calculated and improved. The results of the simulation test show that the ideal steering ratios control can improve the handling stability of the steering-by-wire vehicle better compared with the traditional vehicle .

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1282-1285

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May 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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