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 uses PMSM as control image, and uses model reference adaptive algorithm to realize the identification of rotor speed and position of PMSM. Vector control is used to construct sensorless control system of PMSM.)