基于模糊PI的永磁同步电机矢量控制

针对永磁同步电机矢量控制系统中,传统PID控制器对永磁同步电机控制性能效率不高以及对工作环境变化的适应性能不良等问题，首先,在两相旋转坐标系下采取双轴理论建立永磁同步电机数学模型；接着,采用模糊控制理论对永磁同步电机矢量控制系统中转速环传统的普通PID控制器进行改进研究，深入地从理论层次研究分析建立得到模糊PI控制器。在Matlab/Simulink环境下建立基于模糊PI控制器的永磁同步电机矢量控制系统仿真模型，并且将建立得到的模糊PI控制器引入永磁同步电机矢量控制系统进行仿真实验。实验结果表明,模糊PI控制器相对于传统的PID控制器具有更加优越的动态性能和稳态性能。

Vector Control of Permanent Magnet Synchronous Motor Based on Fuzzy PI

Aiming at the problem that the traditional PID controller in the permanent magnet synchronous motor (PMSM) vector control system is not efficient in the PMSM control performance and is poor in the adaptability to working environment change, firstly, the mathematical model is established by adopting the dual-axis theory in the two-phase rotating coordinate system; Then, the fuzzy control theory is used to improve the traditional ordinary PID controller of speed loop in the PMSM vector control system, and the fuzzy PI controller is obtained from the theoretical level research and analysis. In Matlab/Simulink environment, a PMSM vector control system simulation model based on fuzzy PI controller is established, and the established fuzzy PI controller is introduced into the PMSM vector control system for simulation experiments. The experimental results show that compared with the traditional PID controller,  the fuzzy PI controller has superior dynamic performance and steady-state performance.