摘要
为解决开关磁阻电动机的速度控制问题,借鉴交流电动机坐标变换的思想,将开关磁阻电动机的给定电流进行了坐标变换,然后再进行一系列的数学运算,可以获得开关磁阻电动机各相的参考控制电流。利用所获得各相参考控制电流对开关磁阻电动机的电流闭环方案进行了研究,提出了一种新颖的电流分配方法,实现了开关磁阻电动机的电流闭环控制。该控制方法既没有用到开关磁阻电动机的数学模型,也没有涉及开关角的运算。采用Matlab/Simulink对于电流分配方法进行了仿真研究,并在实验平台下进行了实验验证。仿真结果表明,该思路具有可行性;实验结果证明了设计思路的正确性和有效性。
Aiming at solving the speed control problems of the switched reluctance motor（ SRM）,the idea of the coordinate transformation of the AC motor was used. The method of the AC motor coordinate transformation can be applied to the SRM current transformation. Through a series of math computation,the reference phase current of the SRM can be acquired. After the analysis of close-loop control scheme of the SRM,a novel current sharing method（ CSM） was proposed and close-loop control of the current for SRM was acquired. The proposed method not only needed not the mathematical model of the SRM,but also needed not the computation of the turn-on and turn-off angle for the SRM.The CSM was evaluated on the Matlab / Simulink and the experiment platform. The simulation results indicate that the proposed method is feasibility and the experiment results prove rightness and effectiveness of the proposed method.
出处
《机电工程》
CAS
2016年第8期984-990,共7页
Journal of Mechanical & Electrical Engineering
基金
国家自然科学基金资助项目(61273086)
关键词
开关磁阻电动机
速度控制
电流分配方法
坐标变换
switched reluctance motor（SRM）
speed control
current sharing method
coordinate transformation
