According to the controlled object nonlinear, time-varying characteristics, the controller is designed by fuzzy PI control strategy, fuzzy PI controller based on fuzzy inference is added to PMSM control system, and the corresponding model of system is established based on the simulink of Matlab. The simulation result shows this system has fast response, small overshoot, better dynamic performance.%利用控制对象的非线性、参数时变性的特性，将基于模糊推理的模糊PI控制器加入到永磁同步电机控制系统中，在MATLAB/Simulink中建立相应的仿真模型。仿真结果显示，该系统具有反应速度快、超调小、动态性能好等优点。
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