基于SVM的永磁同步电机直接转矩控制的仿真研究

摘要

According to the basic principle of direct torque control (DTC) , Focused on the permanent magnet synchronous motor (PMSM) , the control system of DTC is analyzed based on the space vector modulation (SVM).To centre on analyzing the basic principle of SVM, a detailed analysis about its algorithm and simulation models of all steps is given, lastly carry out modeling and simulation for the entire system in matlab/simulink environment, and given out a analysis of simulation results.The simulation results show that the performance of PMSM based on SVM-DTC are improved and enhanced.%依据直接转矩控制的基本原理,针对永磁同步电动机,分析了电压空间矢量调制的直接转矩控制系统.着重分析了电压空间矢量调制的基本原理,对其算法步骤作了详细的剖析,并给出了各步骤的仿真模型.最后在matlab/simulink环境下对整个控制系统进行了建模与仿真,并对仿真结果进行了分析.仿真结果表明:基于SVM算法的永磁同步电动机直接转矩控制系统的性能得到了改善和提高.