一种弱磁区具有周期性负载的内置式永磁同步电机自适应角度误差补偿器

When the load of a motor changes periodically with the mechanical angle, the speed also changes. There are obvious amplitude attenuation and phase shift in the high-frequency band of the phase-locked loop, resulting in the periodic angle error between the estimated angle and the real angle when the motor is in the high-speed flux weakening region. The periodic angle error easily leads to the deter...