文献详情
A Novel Power Failure Compensation Control Method for Active Magnetic Bearings Used in High-Speed Permanent Magnet Motor
文献类型期刊
作者Liu, Gang[1];Mao, Kun[2]
机构
通讯作者Liu, G; Mao, K (reprint author), Beihang Univ, Coll Instrumentat Sci & Optoelect Engn, Beijing 100191, Peoples R China.
2016
期刊名称IEEE TRANSACTIONS ON POWER ELECTRONICS影响因子和分区
来源信息年:2016  卷:31  期:6  页码范围:4565-4575  
31
期刊信息IEEE TRANSACTIONS ON POWER ELECTRONICS影响因子和分区  ISSN:0885-8993
6
关键词Active magnetic bearing (AMB); buck converter; high-speed permanent magnet (PM) motor; power failure compensation control (PFCC); sliding mode control (SMC)
页码范围4565-4575
增刊正刊
摘要Active magnetic bearings (AMBs) have been proved superior to conventional bearings in many ways. However, the AMB system will lose magnetic force if the power fails which may cause fatal damage to the rotor and the backup bearings. In order to improve the reliability of the AMB system, a power failure compensation control (PFCC) method is proposed in this paper. A novel hardware composition of PFCC is designed to cooperate with the motor drives using either pulse-width modulation (PWM) or pulse-amplitude modulation techniques. Once the power fails, the motor works as a generator and the back electromotive force (back EMF) is rectified by the antiparallel diodes of the inverter. Meanwhile, a buck converter is utilized to convert the voltage from dc-link of the inverter to the supply voltage for the AMB system. When the motor speed is too low to supply high back EMF for the buck converter, the switches of the inverter are used to boost the dc-link voltage with the motor windings. Furthermore, a hybrid controller combining sliding mode control with PID algorithm is introduced to improve the transient response of the buck converter. Several experimental results confirm the feasibility and effectiveness of the proposed method.
收录情况SCIE(WOS:000368453300053)  EI(20161502217278)  
所属部门仪器科学与光电工程学院
链接地址http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7217825
DOI10.1109/TPEL.2015.2471807
百度学术A Novel Power Failure Compensation Control Method for Active Magnetic Bearings Used in High-Speed Permanent Magnet Motor
语言外文
ISSN0885-8993
被引频次66
人气指数1056
下载次数4
浏览次数1052
基金National Nature Science Funds of China [61374029]; National Major Project for the Development and Application of Scientific Instrument Equipment of China [2012YQ040235]
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