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Adaptive control with saturation-constrainted observations for drag-free satellites - a set-valued identification approach
Tan, Shuping1; Guo, Jin2; Zhao, Yanlong3; Zhang, Jifeng3
2021-10-01
Source PublicationSCIENCE CHINA-INFORMATION SCIENCES
ISSN1674-733X
Volume64Issue:10Pages:12
AbstractThe high-accuracy drag-free control is one of the key technologies for gravity gradient satellites. Since the range of the gravity gradiometer is limited, the measurement is subject to the saturation constraint. This paper introduces a design method of the adaptive drag-free control law by employing the set-valued identification approach. By inserting several thresholds in the constrained interval, the output observation is transformed into the set-valued information under different thresholds, based on which and the weighted optimization technique the identification algorithm for the unknown parameter is constructed. The adaptive drag-free control law is designed via the certainty equivalence principle. It is shown that the identification algorithm is strongly convergent and the convergence rate of the estimation error is obtained. The performance of the closed-loop system is analyzed, and the asymptotic optimality of the adaptive controller is proved. The numerical simulation is included to verify the effectiveness of the main results.
Keyworddrag-free satellite saturation constraint adaptive control set-valued identification
DOI10.1007/s11432-020-3145-0
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFA0703800] ; National Natural Science Foundation of China[61773054] ; National Natural Science Foundation of China[62025306]
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000697169800006
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/59282
Collection中国科学院数学与系统科学研究院
Corresponding AuthorZhang, Jifeng
Affiliation1.Beijing Inst Control Engn, Sci & Technol Space Intelligent Control Lab, Beijing 100190, Peoples R China
2.Univ Sci & Technol Beijing, Sch Automat & Elect Engn, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Acad Math & Syst Sci, Key Lab Syst & Control, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Tan, Shuping,Guo, Jin,Zhao, Yanlong,et al. Adaptive control with saturation-constrainted observations for drag-free satellites - a set-valued identification approach[J]. SCIENCE CHINA-INFORMATION SCIENCES,2021,64(10):12.
APA Tan, Shuping,Guo, Jin,Zhao, Yanlong,&Zhang, Jifeng.(2021).Adaptive control with saturation-constrainted observations for drag-free satellites - a set-valued identification approach.SCIENCE CHINA-INFORMATION SCIENCES,64(10),12.
MLA Tan, Shuping,et al."Adaptive control with saturation-constrainted observations for drag-free satellites - a set-valued identification approach".SCIENCE CHINA-INFORMATION SCIENCES 64.10(2021):12.
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