基于模糊PID的永磁同步电机矢量控制系统

PMSM Vector Control System Based on Fuzzy PID

针对传统PID在永磁同步电机矢量控制系统中存在转矩脉动较大的问题,提出基于模糊PID的永磁同步电机矢量控制方法,实现系统PID参数在线整定。首先,建立PMSM的数学模型;其次,设计参数模糊自整定PID控制器,并进行参数模糊化;最后,在Matlab/Simulink中搭建模型进行仿真。仿真结果表明:在PMSM调速系统中,模糊PID控制器具有更好的鲁棒性。

Large torque pulsation occurs in PMSM vector control systems. The vector control method of PMSM based on fuzzy PID is put forward to realize PID parameter on-line setting. Firstly, establishes the mathematical model of PMSM; Secondly, designs the parameter fuzzy self-tuning PID controller and fuzzifies the parametesr; Lastly, builds the model in Matlab/Simulink and makes simulation. The results show that the fuzzy PID controller has better robustness in PMSM speed control system.