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	Fault tolerance control of phase current in permanent magnet synchronous motor control system
	Chen, Kele1,2,3; Chan, Ke2,3; Chen, Xinglong2,3; Li, Jinying2,3
	2014
会议名称	Proceedings of SPIE: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Smart Structures and Materials for Manufacturing and Testing
会议日期	2014
卷号	9285
页码	92850E
中文摘要	As the Photoelectric tracking system develops from earth based platform to all kinds of moving platform such as plane based, ship based, car based, satellite based and missile based, the fault tolerance control system of phase current sensor is studied in order to detect and control of failure of phase current sensor on a moving platform. By using a DC-link current sensor and the switching state of the corresponding SVPWM inverter, the failure detection and fault control of three phase current sensor is achieved. Under such conditions as one failure, two failures and three failures, fault tolerance is able to be controlled. The reason why under the method, there exists error between fault tolerance control and actual phase current, is analyzed, and solution to weaken the error is provided. The experiment based on permanent magnet synchronous motor system is conducted, and the method is proven to be capable of detecting the failure of phase current sensor effectively and precisely, and controlling the fault tolerance simultaneously. With this method, even though all the three phase current sensors malfunction, the moving platform can still work by reconstructing the phase current of the motor.
英文摘要	As the Photoelectric tracking system develops from earth based platform to all kinds of moving platform such as plane based, ship based, car based, satellite based and missile based, the fault tolerance control system of phase current sensor is studied in order to detect and control of failure of phase current sensor on a moving platform. By using a DC-link current sensor and the switching state of the corresponding SVPWM inverter, the failure detection and fault control of three phase current sensor is achieved. Under such conditions as one failure, two failures and three failures, fault tolerance is able to be controlled. The reason why under the method, there exists error between fault tolerance control and actual phase current, is analyzed, and solution to weaken the error is provided. The experiment based on permanent magnet synchronous motor system is conducted, and the method is proven to be capable of detecting the failure of phase current sensor effectively and precisely, and controlling the fault tolerance simultaneously. With this method, even though all the three phase current sensors malfunction, the moving platform can still work by reconstructing the phase current of the motor.
收录类别	EI
学科主题	Control systems - Fault detection - Flight control systems - Magnets - Manufacture - Materials testing - Permanent magnets - Photoelectricity - Synchronous motors - Vector control (Electric machinery)
语种	英语
ISSN号	0277786X
内容类型	会议论文
源URL	[http://ir.ioe.ac.cn/handle/181551/7414]
专题	光电技术研究所_光电工程总体研究室（一室）
作者单位	1.University of Chinese Academy of Sciences, Beijing, China 2.Institute of Optics and Electronics Chinese Academy of Sciences, Chengdu, China 3.Key Laboratory of Beam Control, Chengdu, China
推荐引用方式 GB/T 7714	Chen, Kele,Chan, Ke,Chen, Xinglong,et al. Fault tolerance control of phase current in permanent magnet synchronous motor control system[C]. 见:Proceedings of SPIE: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Smart Structures and Materials for Manufacturing and Testing. 2014.

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