基于模糊PI自整定的永磁同步电机控制方法研究

Simulation of Vector Control System of PMSM Based on Fuzzy PI

为了解决传统PI控制的精度低、抗干扰能力差、无法满足永磁对调速系统的精确控制等缺点,研究了基于模糊PI自整定的永磁同步电机控制方法。首先研究了永磁同步电机的基本结构和工作原理;基于模糊数学理论,设计了二维模糊PI控制器,将参数导入到Simulink的Fuzzy模块中,搭建永磁同步电机矢量控制模型进行仿真,通过比较验证了所设计的模糊PI控制器永磁同步电机调速系统相较于传统PI控制拥有更好的控制性能。

To solve the shortcomings of traditional PI control such as low precision,poor anti-interference ability and unable to meet the precise control of permanent magnet to speed control system,this paper researches the permanent magnet synchronous motor control method based on fuzzy PI self-tuning method.First,the basic structure and working principle of permanent magnet synchronous motor are researched.Based on fuzzy mathematical theory,a two-dimensional fuzzy PI controller is designed,the parameters are imported into the Fuzzy module of simulink.It is verified that the fuzzy PI controller permanent magnet synchronous motor speed control system designed in this paper has better control performance compared with the traditional PI control.