Sensor Fault Tolerant Control of a Fast Steering Mirror System Using Adaptive PI-Based Sliding Mode Observer and Hardware Redundancy

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	Sensor Fault Tolerant Control of a Fast Steering Mirror System Using Adaptive PI-Based Sliding Mode Observer and Hardware Redundancy
	Wang, Hongju 1,2,3; Bao, Qiliang 1,2; Yang, Wenshu 2; Liu, Zidong 1,2; Tian, Jing 1,2
刊名	MATHEMATICAL PROBLEMS IN ENGINEERING
	2015
英文摘要	The aim of this paper is to present a sensor fault-tolerant control (FTC) scheme for a two-axis fast steering mirror (FSM) system with minimum power consumption and without changing the controller structure. In this paper, an adaptive PI-based sliding mode observer (APISMO) is adopted firstly to estimate the fault signal, which does not require any prior knowledge of the fault. The estimation is then used by the fault isolation logic to identify the fault. The redundant sensor would be powered up to replace the faulty one when faults occur. During the backup sensor booting up, for maintaining the normal performance of the closed-loop system approximately, a fault-free estimation of the position provided by the APISMO is used as feedback signal. Experimental studies on a prototype system show that the proposed APISMO can effectively reconstruct the fault signals even when the two primary position sensors are faulty simultaneously. Meanwhile, the effectiveness and performance of the proposed scheme have been verified.
WOS标题词	Science & Technology ; Technology ; Physical Sciences
类目[WOS]	Engineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications
研究领域[WOS]	Engineering ; Mathematics
关键词[WOS]	RECONSTRUCTION ; ACCOMMODATION
收录类别	SCI
语种	英语
WOS记录号	WOS:000356798500001
公开日期	2015-12-24
内容类型	期刊论文
源URL	[http://ir.ioe.ac.cn/handle/181551/3660]
专题	光电技术研究所_光电技术研究所被WoS收录文章
作者单位	1.Chinese Acad Sci, Key Lab Opt Engn, Chengdu 610209, Peoples R China 2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100191, Peoples R China
推荐引用方式 GB/T 7714	Wang, Hongju,Bao, Qiliang,Yang, Wenshu,et al. Sensor Fault Tolerant Control of a Fast Steering Mirror System Using Adaptive PI-Based Sliding Mode Observer and Hardware Redundancy[J]. MATHEMATICAL PROBLEMS IN ENGINEERING,2015.
APA	Wang, Hongju,Bao, Qiliang,Yang, Wenshu,Liu, Zidong,&Tian, Jing.(2015).Sensor Fault Tolerant Control of a Fast Steering Mirror System Using Adaptive PI-Based Sliding Mode Observer and Hardware Redundancy.MATHEMATICAL PROBLEMS IN ENGINEERING.
MLA	Wang, Hongju,et al."Sensor Fault Tolerant Control of a Fast Steering Mirror System Using Adaptive PI-Based Sliding Mode Observer and Hardware Redundancy".MATHEMATICAL PROBLEMS IN ENGINEERING (2015).