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Observer-Based Multiple Faults Diagnosis Scheme for Satellite Attitude Control System
Gao S(高升); Zhang W(张伟); He X(何旭)
Department空间自动化技术研究室
Source PublicationAsian Journal of Control
ISSN1561-8625
2018
Volume21Issue:6Pages:1-16
Indexed ByEI
EI Accession number20183105633052
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China under Grant 51505470 and 51605474, Foundation of State Key Laboratory of Robotics under Grant 2017-Z011.
KeywordMultiple Faults Diagnosis Scheme Nonlinear Observer Sliding Mode Observer Satellite Attitude Control System
Abstract

This paper proposes a multiple fault diagnosis (MFD) scheme based on an observer method for satellite attitude control systems (ACSs) subject to nonlinearity and external disturbances of the system. The essential idea is to develop a fault diagnosis scheme and design the corresponding observers for satellite ACSs. The nonlinearity, space external disturbances, sensor uncertainties, and multiple faults problem of the satellite ACS are all taken into account. The proposed MFD scheme is developed at two different levels. First, at the system level, two nonlinear observers based on analytical redundancy are designed for the MFD of the satellite ACS; this level roughly reveals the fault source. Then, at the component level, a bank of sliding mode observers activated by the results of the previous diagnosis is designed to precisely diagnose multiple faults of actuators in the satellite ACS; this level further precisely reveals the fault source. Both the nonlinear observers and the sliding mode observers are confirmed to be asymptotically stable via Lyapunov stability theory. Finally, numerical simulations of a satellite ACS are performed to illustrate the effectiveness of the proposed MFD scheme.

Language英语
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/22349
Collection空间自动化技术研究室
Corresponding AuthorZhang W(张伟)
AffiliationShenyang Institute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao S,Zhang W,He X. Observer-Based Multiple Faults Diagnosis Scheme for Satellite Attitude Control System[J]. Asian Journal of Control,2018,21(6):1-16.
APA Gao S,Zhang W,&He X.(2018).Observer-Based Multiple Faults Diagnosis Scheme for Satellite Attitude Control System.Asian Journal of Control,21(6),1-16.
MLA Gao S,et al."Observer-Based Multiple Faults Diagnosis Scheme for Satellite Attitude Control System".Asian Journal of Control 21.6(2018):1-16.
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