The armature current waveform of BLDCM were analyzed.

着重分析无刷直流电动机(BLDCM)电枢电流波形.

The detection of rotor position plays an important part in the control of BLDCM.

中文摘要在无刷直流电机控制中，转子位置的检测至关重要。

This article mainly discusses the designations of three-phase BLDCM velocity modulation systems hardware.

本文主要论述三相直流无刷电机调速系统的硬件设计方法。

Bipolar drive availed to control the brushless DC motor (BLDCM), and enhanced the stability of the motor at low speed.

双极性驱动有利于BLDCM的伺服控制，可提高低速运行时的稳定性。

This paper proposses a cost-effective software design of BLDCM, and some procedure flow charts of main program subroutine are offered.

详细列出无刷直流电机双闭环控制器软件程序流程图。

The simulation results show that BLDCM with steady-state high precision and fast dynamic response fully meets indictor requirements of actuation system.

仿真实验结果表明无刷直流电动机在稳态和动态情况下具有稳态精度高、动态响应快的优良性能，完全满足舵系统的要求。

Based on sensorless technology, the thesis has done some analysis theoretically and designed and tested the system of BLDCM used on air-conditioning compressor.

本课题基于无位置传感器技术，对应用于空调压缩机的无刷直流电动机系统做了一定的理论分析并进行了设计与实验测试。

This paper summarizes the principle of sensor-less BLDCM driving, and the method for fetching the rotor position and speed by zero-crossings of the non-conducted phase's back-EMF.

分析无刷直流电动机（BLDCM）无位置传感器控制的基本原理，介绍应用非导通相反电动势过零点检测转子位置及转速的方法。