基于MRFAC的感应电机控制器设计

结合感应电机这一非线性控制对象,设计了感应电机的模型参考模糊自适应速度控制器。该控制器具有传统模型参考自适应控制构架,传统模型参考自适应控制系统中的反馈控制器和常规自适应机构分别由主模糊控制器、模糊自适应机构替代,模糊逆模型结合自适应调整算法构成的模糊自适应机构对主控制器参数进行实时调整,以达到快速适应对象参数和状态变化的目的。基于模块化建模工具Matlab/Simulink建立感应电机控制系统模型,仿真结果表明该控制器运行平稳,具有良好的动、静态性能。

Design of Speed Controller of Induction Motor Based on MRFAC

Based on the traditional model reference adaptive control idea,an model reference fuzzy adaptive controller(MRFAC) of the induction motor is designed,which is Fuzzy logic control is a mathematical model-free control technique and provides a systematic method to incorporate human experience and implements nonlinear algorithms.Two fuzzy logic inference systems are used.One is employed as main controller for substituting the feedback controller in the MRAC,and the other is used to form the fuzzy adaptive mechanism with special adaptation algorithm.The simulation results present very good static and dynamic performance with the moment of motor parameters and load variations.