摘要
为更好地改善永磁同步电机(PMSM)调速性能,在传统PI控制方法与一般模糊PI控制方法的基础上,跟据Clark、Park变换、空间矢量调制(SVPWM)和磁场定向控制等理论,提出了一种改进的模糊PI控制方法并用于双闭环调速系统的速度环中。借助MATLAB/SIMULINK搭建控制系统仿真模型,并对永磁同步电机的重要性能进行对比分析。结果表明,引入改进的模糊PI控制器后,调速系统具有很强的适应性、鲁棒性和抗干扰性,能快速跟踪速度参考值,永磁同步电机输出电磁转矩波动量较小,性能得到改善。
On the basis of traditional PI control and fuzzy PI control method, according to the related theories of Clarke and Park transformation, SVPWM and field oriented control, an improved fuzzy PI control method to enhance the performance of the control system was proposed in this paper. A simulation model of the control system was developed in Matlab/Simulink and comparative analysis for some important performance of PMSM was conducted. The Simulation results demonstrate that the control system has more strong adaptability, robustness and anti - interference, and could track the set speed quickly. Moreover, the output torque ripple of the PMSM is smaller when using the improved Fuzzy -PI controller.
出处
《电力科学与工程》
2016年第3期1-6,共6页
Electric Power Science and Engineering
