Abstract
AbstractAiming at the problems of poor starting characteristics and poor dynamic stability of the outer loop of the speed in the traditional double closed loop control strategy of permanent magnet synchronous motor (PMSM), a control strategy based on the combination of traditional PID control and fuzzy control is proposed. Firstly, the mathematical model of permanent magnet synchronous motor is established, and fuzzy control rules are established on the basis of traditional speed outer-loop PID control system. A fuzzy PID control strategy for speed outer-loop is developed, and the PMSM control system is simulated by simulation software. The simulation results show that fuzzy PID controller can make PMSM control system obtain better speed regulation performance, and meet the requirements of tracking and robustness of control system.KeywordsPMSMOuter loop of the speedPID controlFuzzy PID control
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