Based on the relationship between real and estimated values of the stator flux linkage, the compensatory formulas of the estimated flux linkage and its principle block diagram were presented.

• 这种方法在采用低通滤波器代替纯积分环节的基础上，根据定子磁链的实际值与估计值之间的关系，推导出估计磁链的补偿公式，给出了原理框图，并对观测结果进行了仿真比较。