The main part of the torque ripple was caused by the PWM_OFF, and the diode freewheeling of inactive phase can compensate the torque ripple to some extent.

PWM信号为“OFF”时续流引起的转矩脉动占主要部分，非导通相续流在一定程度上可以补偿PWM关断时造成的转矩脉动。

This paper introduced commutation torque ripple process of brushless DC motor.

介绍了永磁无刷直流电机换相转矩脉动变化过程.

A torque controller based on pole assignment had been designed to enhance drive system damping and to suppress torque ripple.

设计了基于极点配置的转矩控制器，提高传动系统阻尼，抑制转矩波动。

Fixed switching frequency and low torque ripple are obtained using space vector modulation.

使用空间矢量调制固定开关频率和低转矩脉动。

The new approach achieved inverter switch's duty ratio control and made torque ripple minimum.

该方法实现了逆变器开关周期的占空比控制，使感应电动机的转矩脉动达到最小。

They are also preferred in applications where no cogging and minimal torque ripple is important.

他们也应用于无波动或最小转矩脉动领域。

SR machines have a significant torque ripple, especially when operated in single-pulse voltage control mode.

SR机器有重大扭矩波纹，特别是当经营在唯一脉冲电压控制方式。

Five- and six-phase motors can offer better torque ripple reduction compared with four-phase and three-phase.

五和六阶段马达可能提供更好的扭矩波纹减少比较四阶段和三相。

SR machines have a significant torque ripple, especially when operated in single - pulse voltage control mode.

SR机器有重大扭矩波纹, 特别是当经营在唯一脉冲电压控制方式.

After summarizing all kinds of torque ripple minimization methods, a new strategy based on sliding mode variable structure control is presented.

在总结各种转矩脉动抑制方法的基础上，提出了一种基于滑模变结构控制降低开关磁阻电机转矩脉动的新方法。