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.

互联网

Satisfactory driving performance is yielded by properly designing its commutation, current control and speed control schemes.

藉由适当设计之换相时刻移位 、 电流控制以及速度控制机构,所组建之马达驱动系统具有良好之操控性能.

互联网

Firstly, the dissertation presents principles of commutation torque in the condition of ideal BEMF waveform.

本文首先分析了影响理想的方波型无刷直流电机换相转矩脉动的因素,包括:调制方式, 直流侧电压,重叠换相角等.

互联网

When position sensor is faulted, information of commutation will be incorrect, causes torque decrease, speed reduction.

位置信号出现故障后,电机的换相逻辑混乱, 输出转矩降低, 电机转速下降.

互联网

The wide application of switched reluctance motor ( SRM ) is limited by their higher vibration and acoustic noise.

针对开关磁阻电动机运行的振动和噪声问题,基于频域分析方法,研究了电压PWM运行方式下,采用两步换相法降低开关磁阻电动机振动和噪声的机理.

互联网