永磁无刷直流电机及其控制  

Permanent-Magnet Brushless DC Motor and Its Control

作　　者：夏长亮[1,2] 方红伟[2] 

机构地区：[1]天津工业大学电工电能新技术天津市重点实验室,天津300387 [2]天津大学电气与自动化工程学院,天津300072

出　　处：《电工技术学报》2012年第3期25-34,共10页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金重点项目(51037004);国家杰出青年科学基金资助项目(50825701)

摘　　要：无刷直流电机因其高效率、长寿命、低噪声及良好的机械特性等优点,在航空、军事、汽车、办公自动化、家用电器等行业内得到了广泛的应用。本文系统阐述了无刷直流电机的基本结构和工作特点,比较分析了无刷直流电机几种典型的驱动电路拓扑结构。同时,对无刷直流电机的转矩波动抑制、无位置传感器控制、弱磁调速等技术进行了分析。最后,对其应用及未来发展趋势进行了探讨。The permanent-magnet brushless DC motor（BLDC motor） has achieved a brilliant application in aerospace,military,automotive,office automation and household equipment industries,since it has the advantages of high efficiency,long lifetime,low noise and good torque-speed characteristics.The basic structure and operation of the BLDC motor is introduced,and various typical topologies of its driving circuits are also compared.Moreover,the torque ripple reduction,sensorless control,and flux-weakening speed control are investigated.Finally,the applications of BLDC motor are drawn and its development trend is discussed.

关 键 词：无刷直流电机 驱动电路 转矩波动 无位置传感器控制 弱磁 

分 类 号：TM351[电气工程—电机]