系统以PMSM做为控制对像，以模型参考自适应算法实现PMSM的转子速度与位置的辨识，采用矢量控制，构建出PMSM的无传感器控制系统。(The system takes PMSM as the control object, uses model reference adaptive algorithm to identify the rotor speed and position of PMSM, and uses vector co