摘要：本文分析了无刷直流电动机在电流型变频器下的系统数学模型。根据系统的状态方程，在Matlab软件中编写了系统的仿真程序，并详细介绍了仿真参数的选取方法。仿真程序中较理想地实现了无刷直流电动机的PI闭环控制以及电流型变频器的四相限运行方式。它为实际系统的建立提供了较好的参考依据。
关键词：无刷直流电动机，状态方程，系统仿真
Simulation of Brushless DC Motor(BLDCM)
drive system using current source inverter
CAO Yan, ZHANG Xiaofeng, LI Huaishu, YU Fei
(Naval Univ. of Engineering, Wuhan 430033,China)
Abstract: In this paper, the mathematical model of BLDCM drive system using current inverter has been analyzed. On the basis of the state equation of system, the simulation program was complied in the Matlab software, then, the method about how to choose parameter in the simulation system was introduced in detail. In the simulation, the PI closed loop control strategy that was used to the motor was successfully implemented, and the four-quadrant operation of the current inverter was also simulated. So the result of the simulation provided important reference for the real system.
Keywords: brushless dc motor; state equation; system simulation
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