利用被动传感器坐标位置及测角误差 计算两站及多站无源测向交叉定位的精度矩阵 -The use of passive sensor coordinate position and angle measurement error calculation two stations and multi-station Passive Direction Finding Cross positioning accuracy matrix

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.)