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Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation
Hu QL(胡庆雷); Li B(李波); Qi JT(齐俊桐)
Department机器人学研究室
Source PublicationAerospace Science and Technology
ISSN1270-9638
2014
Volume39Pages:13-21
Indexed BySCI ; EI
EI Accession number20144100092814
WOS IDWOS:000347743100003
Contribution Rank3
KeywordSpacecraft Finite-time Control Disturbance Observer Input Saturation Misalignment
AbstractA novel finite-time controller integrated with disturbance observer is investigated for a rigid spacecraft in the presence of disturbance, actuator saturation and misalignment. As a stepping-stone, a second-order disturbance observer is designed firstly such that the reconstruction of lumped disturbances is accomplished in finite time with zero error. Then, with the reconstructed information, a finite-time controller is synthesized even under actuator input saturation and misalignment, and the closed-loop system/state is proved to be finite-time stable and converges to the specified time-varying sliding mode surface. Moreover, the input saturation constraint is overcome via introducing an auxiliary variable to compensate for the overshooting. Numerical simulation results for the in-orbit rigid spacecraft show good performances, which validate the effectiveness and feasibility of the proposed schemes.
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Aerospace
WOS KeywordSLIDING-MODE CONTROL ; VARIABLE-STRUCTURE SYSTEMS ; FLEXIBLE SPACECRAFT ; TRACKING CONTROL ; L-2-GAIN PERFORMANCE ; CONTROL CONSTRAINTS ; FEEDBACK-CONTROL ; CONTROL DESIGN ; STABILIZATION ; CONVERGENCE
WOS Research AreaEngineering
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/15259
Collection机器人学研究室
Corresponding AuthorHu QL(胡庆雷)
Affiliation1.School of Automation Science and Electrical Engineering, Beihang University, Beijing, China
2.Department of Control Science and Engineering, Harbin Institute of Technology, Harbin, China
3.State Key Laboratory of Robotics, Shenyang Institute of Automation, CAS, Shenyang, China
Recommended Citation
GB/T 7714
Hu QL,Li B,Qi JT. Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation[J]. Aerospace Science and Technology,2014,39:13-21.
APA Hu QL,Li B,&Qi JT.(2014).Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation.Aerospace Science and Technology,39,13-21.
MLA Hu QL,et al."Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation".Aerospace Science and Technology 39(2014):13-21.
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