Anti-disturbance and fault-tolerant control of dual-satellite formation configuration maintenance

doi:10.37188/OPE.20212903.0605

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	Anti-disturbance and fault-tolerant control of dual-satellite formation configuration maintenance
	G.-J. Chen; L. Chang; X.-B. Yang; C.-L. Yang and Y.-B. Li
	2021
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN	1004924X
卷号	29 期号:3 页码:605-615
摘要	To solve the problem of low precision and poor stability of dual-satellite formation orbit control caused by system modeling errors, external disturbances, and actuator faults, this paper proposes an anti-disturbance and fault-tolerant linear quadratic regulator (LQR) control strategy based on an observer. First, according to a relative motion dynamic model of two satellites, an augmenting observer is designed based on the double proportional integral adaptive law, which not only can estimate intermittent faults and fast time-varying faults, but can also simultaneously estimate the system state and disturbance quickly and accurately. Regarding unmodeled disturbances, the optimization technology is used to suppress their influence on the control system. Second, the existence condition and design method of the observer are given using the linear matrix inequality (LMI) technique. The asymptotic stability of the dynamic error system is guaranteed using Lyapunov stability theory. Then, a closed-loop feedback fault-tolerant and anti-interference LQR control law is designed by adding feedforward compensation to the controller using unknown dynamic estimation information. Finally, the experimental results show that the proposed method can accurately and quickly track external interferences, actuator faults, and system states. Compared with the control methods reported in the literature, the proposed method significantly enhances the accuracy of fault estimation and improves by 49.93% the relative position control accuracy of formation satellites. This verifies the superiority of the anti-interference fault-tolerant LQR control law, which can provide an accurate configuration maintenance control strategy for dual-satellite formation configuration maintenance. 2021, Science Press. All right reserved.
DOI	10.37188/OPE.20212903.0605
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收录类别	EI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65055
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	G.-J. Chen,L. Chang,X.-B. Yang,et al. Anti-disturbance and fault-tolerant control of dual-satellite formation configuration maintenance[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2021,29(3):605-615.
APA	G.-J. Chen,L. Chang,X.-B. Yang,&C.-L. Yang and Y.-B. Li.(2021).Anti-disturbance and fault-tolerant control of dual-satellite formation configuration maintenance.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,29(3),605-615.
MLA	G.-J. Chen,et al."Anti-disturbance and fault-tolerant control of dual-satellite formation configuration maintenance".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 29.3(2021):605-615.

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