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.
论文在介绍常用的无位置传感器无刷直流电机控制方法的基础上，详细分析了“反电动势法”无刷直流电机控制原理。
In this paper the common methods of sensorless control of BLDCM are introduced, and the principle of back-EMF method is illustrated in detail.
介绍了反电动势过零位置检测的原理及实现方法，并采用了数字式转速、电流双闭环控制。
One kind of sensorless control system for brushless DC motor based on DSP was introduced and the principle of back-EMF zero-crossing detection and realization method was discussed in detail.
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