永磁同步电机双闭环调速系统的仿真研究

Simulation of PMSM Double Closed-Loop Speed Regulation System

本文对永磁同步电机(PMSM)的数学模型、矢量控制的基本原理、基本方式及调制策略进行了介绍,并将功率开关器件的延迟特性考虑在内,采用Matlab/simulink构建了永磁同步电动机矢量控制模式下的双闭环调速系统的仿真模型。仿真结果证明了该模型的有效性。该模型为PMSM双闭环伺服系统的分析、设计和调试提供了有效的手段和工具,也为PMSM控制系统的设计和调试提供了新依据。

In this paper, the permanent magnet synchronous motor （PMSM）＇s mathematical model, basic principle of vector control, basic mode and modulation strategies were introduced. Taking into consideration of the delay characteristics of power switch components, the simulation model of double closed -loop speed control system under the PMSM vector control＇s mode was constructed by Matlab/simulink. The simulation results proved the validity of the model. The model can be used to analysis, design and debug PMSM control system. It also can be referred to design and debug the practical PMSM control system.