永磁同步电机直接转矩控制模型

Direct Torque Control Models for Permanent Magnet Synchronous Motors

根据永磁同步电机的数学模型,深入分析直接转矩控制方法的原理,在Matlab/Simulink平台上搭建永磁同步电机直接转矩仿真模型。仿真结果表明,该直接转矩系统转矩响应快,具有良好的动态性能,给直接转矩控制的永磁同步电机实际应用提供了理论依据和仿真参考。

The permanent magnet synchronous motor AC servo system has been the development trends with high location accuracy,running stability in low-speed,fast response time,high overload ability and high reliability. Direct torque control is an advanced AC drives method and has been widely researched for the characteristics of briefness,robustness,excellent dynamic response. The combination of the two techniques has become the hotspot of the AC servo system. According to the mathematical model of the permanent magnet synchronous motor,the principle of direct torque control method is analyzed. The permanent magnet synchronous direct torque control simulation model is built in Matlab / Simulink platform. The simulation results show that the direct torque control system has the advantages of the fast torque response and good dynamic performance,providing the theoretical basis and necessary simulation model for the permanent magnet synchron in practical engineering.