无刷直流电动机发展与现状

The Status and Progress of Brushless DC Motor

介绍无刷直流电动机的结构、原理、发展过程以及国内外研究现状,着重介绍无位置传感器无刷直流电动机的关键技术,并且比较几款常用的电机控制专用DSP芯片。最后,总结无位置传感器无刷直流电动机中值得深入研究的几个问题。

This paper introduces the construction, principle, progress and status of Brushless DC Motor （ BLDCM） , mostly introduces the key techniques of sensorless BLD-CM, and compares some DSP chips for motor controlling. At last, some problems about sensorless BLDCM, which deserves further discussion, are summarized.