| 永磁无刷直流电机及其控制 |
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| 引用本文： | 夏长亮,方红伟.永磁无刷直流电机及其控制[J].电工技术学报,2012(3):25-34. |
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| 作者姓名： | 夏长亮 方红伟 |
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| 作者单位： | 天津工业大学电工电能新技术天津市重点实验室;天津大学电气与自动化工程学院 |
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| 基金项目： | 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) |
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| 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。
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| 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 |
Permanent-Magnet Brushless DC Motor and Its Control |
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| Xia Changliang,Fang Hongwei.Permanent-Magnet Brushless DC Motor and Its Control[J].Transactions of China Electrotechnical Society,2012(3):25-34. |
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| Authors: | Xia Changliang Fang Hongwei |
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| Affiliation: | 1.Tianjin Key Laboratory of Advanced Technology of Electrical Engineering and Energy Tianjin Polytechnic University Tianjin 300387 China 2.Tianjin University Tianjin 300072 China) |
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| Abstract: | 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. |
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| Keywords: | BLDC motor driving circuit torque ripple sensorless control flux weakening |
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