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 control to construct the sensorless control system of PMSM.)