摘  要：无刷直流电机是一种先进的机电一体化装置，无刷直流电动机及控制技术由于其本身特点，使其成为驱动控制领域的研究焦点。该文根据无刷直流电机无位置传感器控制特点，分析了无刷直流电机工作原理，结合国内外基于无刷直流电机转子位置检查控制的相关文献，综述了无刷直流电机转子位置检测控制方法发展概况，并针对每种控制方法阐述了其优缺点。
关键词：无刷直流电机；位置检测；控制策略

Abstract: The brushless DC Motor Drives is an advanced mechanical electronic devices. The technology of sensorless brushless DC motor control is becoming researching focus because of its special structure and low cost. The article presented analysis of characteristics and working principle of the brushless DC motor. It also discussed the development of detecting rotor position means for brushless DC motor based on the relevant literature home and abroad. At the same time it described the advantages and disadvantages of various methods according to each new detecting rotor position technique.
Key words: brushless DC motor; detecting position; control strategy