基于模糊逻辑控制的SRD仿真实现

摘要

分析了开关磁阻电动机调速系统(SRD)的工作原理及开关磁阻电动机(SRM)的非线性电感模型.在此基础上,对其进行了简化处理,并采用模糊控制器对SRM的开关角进行实时补偿,同时建立了基于电流斩波控制的四相SRM非线性仿真模型,通过仿真验证了该控制方式的正确性,证明了该模型不但计算相对简单且能有效减小转矩脉动和提高系统的动、静态性能并能满足一定精度要求,为实际的SRD设计和调试提供有效的手段和工具.%Analyzing the principle of the SRD system and the non-linear mathematical model for a SRM. On the basis, simplifying the model and proposing a fuzzy-logic-based switch angle compensation control strategy, and in Simulink, the non-linear mathematical model of SRM under chopped current control is modeled, chopped current control proves to be effective by simulating, proving the model can reduce torque ripple and the models calculations is simple and can satisfy certain accuracy. This simulation offers a valid tool for designing and debugging actual switched reluctance motor drive.