Adaptive robust fault-tolerant control scheme for spacecraft proximity operations under external disturbances and input saturation

doi:10.1007/s11071-021-07182-9

	Adaptive robust fault-tolerant control scheme for spacecraft proximity operations under external disturbances and input saturation
	Wang, Yu 2; Liu, Kang 1,3; Ji, Haibo 4
刊名	NONLINEAR DYNAMICS
	2022-01-09
关键词	Spacecraft proximity operations Adaptive fault-tolerant control (FTC) Dead-zone based model External disturbances Input saturation
ISSN号	0924-090X
DOI	10.1007/s11071-021-07182-9
通讯作者	Liu, Kang(xinxilk@mail.ustc.edu.cn)
英文摘要	This study presents an adaptive robust fault-tolerant control (FTC) method for spacecraft proximity operations, in the presence of external disturbances, actuator faults, and input saturation. Firstly, a coupled 6-degrees-of-freedom dynamics model is constructed to show the relative motion of the pursuer spacecraft to the target spacecraft. To deal with actuator faults and external disturbances, a basic robust FTC method is designed. Subsequently, an adaptive robust FTC approach is developed to address the negative effect from the input saturation. In particular, by incorporating a novel dead-zone model to represent the saturation nonlinearity, an adaptive technology is applied to compensate for the nondifferentiable integral term in the saturation model. According to Lyapunov stability theory, all the signals in the whole system are proved to be ultimately bounded, and the relative motion tracking errors can converge to arbitrarily small neighborhood around the origin by choosing the suitable parameters. Last but not least, comparative simulations are carried out to validate the superiority of the proposed control strategy.
资助项目	National Natural Science Foundation of China[31671586]
WOS关键词	TRACKING CONTROL ; NONLINEAR-SYSTEMS ; ATTITUDE-CONTROL ; OBSERVER
WOS研究方向	Engineering ; Mechanics
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000740400700002
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/127223]
专题	中国科学院合肥物质科学研究院
通讯作者	Liu, Kang
作者单位	1.Univ Sci & Technol China, Hefei 230026, Peoples R China 2.Nanjing Res Inst Elect Technol, Nanjing 210039, Peoples R China 3.Chinese Acad Sci, Inst Intelligent Machines, Hefei Inst Phys Sci, Hefei 230031, Peoples R China 4.Univ Sci & Technol, Dept Automat, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Wang, Yu,Liu, Kang,Ji, Haibo. Adaptive robust fault-tolerant control scheme for spacecraft proximity operations under external disturbances and input saturation[J]. NONLINEAR DYNAMICS,2022.
APA	Wang, Yu,Liu, Kang,&Ji, Haibo.(2022).Adaptive robust fault-tolerant control scheme for spacecraft proximity operations under external disturbances and input saturation.NONLINEAR DYNAMICS.
MLA	Wang, Yu,et al."Adaptive robust fault-tolerant control scheme for spacecraft proximity operations under external disturbances and input saturation".NONLINEAR DYNAMICS (2022).