基于自适应谐波跟踪的永磁同步电机驱动转矩脉动抑制方法

In permanent magnet synchronous motor (PMSM) drive systems, nonideal factors induce periodic speed ripples. Conventional harmonic injection–based speed ripple reduction methods exhibit significant sensitivity to speed-loop bandwidth limitations and speed sensor sampling delays. According to the phase delay modeling in velocimetry and the equivalent cutoff frequency of the drive system, theoretical...