自适应比例因子模糊控制器在异步电动机调速系统中的应用

Application of Adaptive Proportional Gain Fuzzy Controller in Induction Motor Drive System

为了降低转子电阻变化对异步电动机矢量控制系统性能的影响,本文把自适应比例因子模糊控制器应用到了矢量控制系统中。介绍了自适应比例因子模糊控制方法的基本原理,给出了使用自适应比例因子模糊控制器的异步电动机矢量控制系统的结构框图,对主模糊控制器和辅助模糊控制器进行了设计。仿真实验结果表明,采用这种控制方法的调速系统不仅具有优良的动态性能,而且对转子电阻变化具有很强的鲁棒性。

A adaptive proportional gain fuzzy controller is adopted to improve the performance of vector control of induction drive systems when rotor resistance variations. The principle of the adaptive proportional gain fuzzy controller is introduced in the paper. The diagram of the drive system using the adaptive proportional gain fuzzy controller is showed. The prime fuzzy controller and auxiliary controller are designed. Simulation experimental results show that the fuzzy controller achieves good dynamic performances, and that the system has strong robustness to rotor resistance variation.