The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model.
在感应电动机无速传感器矢量控制系统中，在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
Amplitude gain and phase error would lead to performance degradation of high-resolution parameter estimation algorithms; especially the phase errors will cause deviation of parameter estimation.
幅度增益和相位误差使得高分辨率的参数估计算法的性能下降，特别是相位的误差，将会引起参数估计的偏离。
The aim of parameter errors identification is to find the wrong parameter, the goal of parameter errors estimation is to provide a correct estimation value for the wrong parameter.
参数错误辨识的目的是找出错误的参数，参数错误估计的目标则是给错误的参数提供一个正确的估计值。
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