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Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle
Pu, Zhiqiang; Tan, Xiangmin; Fan, Guoliang; Yi, Jianqiang; Xiangmin Tan
Source PublicationACTA ASTRONAUTICA
2014-08-01
Volume101Issue:2014Pages:16-32
SubtypeArticle
AbstractFlexible air-breathing hypersonic vehicles feature significant uncertainties which pose huge challenges to robust controller designs. In this paper, four major categories of uncertainties are analyzed, that is, uncertainties associated with flexible effects, aerodynamic parameter variations, external environmental disturbances, and control-oriented modeling errors. A uniform nonlinear uncertainty model is explored for the first three uncertainties which lumps all uncertainties together and consequently is beneficial for controller synthesis. The fourth uncertainty is additionally considered in stability analysis. Based on these analyses, the starting point of the control design is to decompose the vehicle dynamics into five functional subsystems. Then a robust trajectory linearization control (TLC) scheme consisting of five robust subsystem controllers is proposed. In each subsystem controller, TLC is combined with the extended state observer (ESO) technique for uncertainty compensation. The stability of the overall closed-loop system with the four aforementioned uncertainties and additional singular perturbations is analyzed. Particularly, the stability of nonlinear ESO is also discussed from a Lienard system perspective. At last, simulations demonstrate the great control performance and the uncertainty rejection ability of the robust scheme.
KeywordUncertainty Flexible Hypersonic Vehicle Trajectory Linearization Control Extended State Observer
WOS HeadingsScience & Technology ; Technology
WOS KeywordUncertainty ; Flexible ; Hypersonic vehicle ; Trajectory linearization control ; Extended state observer
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace
WOS IDWOS:000337998600002
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Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/4148
Collection综合信息系统研究中心
Corresponding AuthorXiangmin Tan
AffiliationChinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Pu, Zhiqiang,Tan, Xiangmin,Fan, Guoliang,et al. Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle[J]. ACTA ASTRONAUTICA,2014,101(2014):16-32.
APA Pu, Zhiqiang,Tan, Xiangmin,Fan, Guoliang,Yi, Jianqiang,&Xiangmin Tan.(2014).Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle.ACTA ASTRONAUTICA,101(2014),16-32.
MLA Pu, Zhiqiang,et al."Uncertainty analysis and robust trajectory linearization control of a flexible air-breathing hypersonic vehicle".ACTA ASTRONAUTICA 101.2014(2014):16-32.
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