MATLAB/SIMULINK永磁同步电机无传感器矢量控制系统仿真

永磁同步电机矢量控制系统在电动汽车、轮船等交通运输领域具有广泛的应用前景。使用MATLAB/SIMULINK的仿真功能,采用模块化的设计结构,分别对速度环调节、电流PI（Proportion Integration）调节、SVPWM（Space Vector Pulse Width Module）波的产生、dq/αβ、双闭环的整个系统模型进行仿真研究。仿真在线调试,转子转速和转子转角、定子电流、以及转矩通过Scope模块进行观察,及时调整系统模型参数,使系统性能达到最佳化,实现了永磁同步电机矢量控制和正反转调速。结果表明该种控制方法具有很好的鲁棒性,且该种方法可以提高设计的效率并缩短系统设计时间。

Simulation of PMSM sensorless Vector Control System Based on MATLAB/SIMULINK

The vector control system of PMSM（Permanent Magnetic Synchronization Motor）has a wide application prospect in the fields of electric cars and steamship ere.The simulation research of vector control PMSM system can provide methods for PMSM vector control system design and realization.This thesis involves in simulation research of speed loop modulation, PI（Proportion Integration）adjustment and dq/αβtransformation, gaining SVPWM（Space Vector Pulse Width Module）waves and double loop systems based on module structure under the environment of MATLB/SIMULINK.Scope module was used to observe the stator current, rotating angle, revolution speed of rotator and rotating of torque.Through adjusting the module parameters timely, vector control and velocity modulation of PMSM was realized.The simulation results indicate that vector control system has the characteristics of fast speed up, strong overload capacity and ideal speed adjustment.