用于永磁同步电机直接转矩控制的磁链角度计算-Angle for the flux permanent magnet synchronous motor direct torque control calculation

实现永磁同步电机的无位置控制，采用滑模算法计算转子位置角度，精度高，相应速度快。(Realize position control of permanent magnet synchronous motor, rotor position Angle is obtained by using the sliding mode algorithm, high accuracy, the corresponding speed.)