交流发电机输出的直流电动势会有较大的脉动电压。
The DC electromotive force output by AC generator can have quite big pulsating voltage.
本文对于反电动势波形接近正弦的永磁无刷直流电动机，提出一种基于六个离散位置信号的自同步svpwm控制方法，用于抑制电磁转矩脉动。
For the BLDCM which has a sinusoidal back EMF, this paper presents a self-synchronous SVPWM control method using six discrete position signals for minimizing torque ripple.
针对这种反电动势波形偏离理想波形的情况，本文提出了一种最优电流跟踪法来抑制转矩脉动。
Aiming to minimize the torque ripple in condition of non-perfect BEMF waveform, the dissertation present a optimum current tracking control technique.
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