说明：  永磁同步电机的矢量控制系统仿真，采用id 0的控制策略。在此基础上加入位置环，实现永磁同步电机的伺服系统
(Permanent magnet synchronous motor vector control system simulation, using the id 0 control strategy. On this basis, adding the position loop, to achieve permanent magnet synchronous motor servo system)