基于模糊逻辑的永磁同步电机调速方法设计与分析

来源期刊:中南大学学报(自然科学版)2011年第z1期

论文作者:于双和 杜佳璐 周丽娜 杨振强

文章页码:1032 - 1036

关键词:模糊PI控制;自构模糊控制;切换策略;永磁同步电机

Key words:fuzzy PI control; self-reconstructed fuzzy control; switching strategy; PMSM

摘    要:针对永磁同步电机调速问题的非线性、多变量、强耦合等特征,分别设计自适应模糊PI控制器和自重构模糊控制器。在矢量PI控制基础上设计永磁同步电机自适应模糊PI控制器,进而设计辅以切换策略的自构模糊控制器以有效地克服参数突变和负载扰动的影响,提高系统鲁棒性、快速性,并实现控制器参数的在线调整。仿真结果表明自适应模糊PI控制性能优于传统的PI控制,同时自重构模糊控制优于固定结构模糊控制。

Abstract: According to the nonlinear, multi-variable and strong coupled speed regulation problem of permanent magnet synchronous motor (PMSM), the adaptive fuzzy PI control and self-reconstructed fuzzy control were designed respectively. Based on the vector control of PMSM, the adaptive fuzzy PI control was firstly designed, and then the self-reconstructed fuzzy control with switching strategy was designed to overcome the parameter variation and load disturbance effectively. The proposed controllers can be adjusted online with improved robustness and fast response. Simulation results demonstrate that the proposed strategies are superior to the conventional PI control and fixed structure fuzzy control.

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