Simulation analysis of control strategy for electric power steering system
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Abstract:
The mathematical model of the electric power steering (EPS) system is developed，and control strategy is designed by the way of frequency analysis using Bode diagram，on a basis of steering feel expression．A complete model used for analysis of automotive steering characteristic，with fourtire and threefreedom vehicle models is built．In order to meet optimal goals，including steering agility，returnability and steering effort requirements of drivers, the rule of controller parameter values under the condition of different speeds and steering torques is concluded through numerous simulation tests．
