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Active robust control of uncertainty and flexibility suppression for air-breathing hypersonic vehicles
Pu, Zhiqiang; Yuan, Ruyi; Tan, Xiangmin; Yi, Jianqiang; Zhiqiang Pu
Source PublicationAEROSPACE SCIENCE AND TECHNOLOGY
2015-04-01
Volume42Issue:2015Pages:429-441
SubtypeArticle
AbstractInevitable uncertainties and cross couplings between rigid and flexible modes pose huge challenges to control system design for flexible air-breathing hypersonic vehicles. This paper addresses an active robust control scheme that can simultaneously suppress diverse uncertainties and flexible modes using active approaches rather than inherent system robustness. Frequency-domain analysis is conducted to investigate the cross couplings. A novel conclusion lies in that the most significant cross couplings exist between the flexible modes and the rigid-body phugoid modes, followed by the altitude mode. Based on the analysis, a robust control scheme is proposed which consists of a stabilizing control frame and two active control techniques: a nonlinear extended state observer (ESO) and a notch filter. The ESO estimates diverse uncertainties to form a compensation law, and the notch filter is integrated to prevent the flexible modes from being excited by some specific high-frequency signals coming from the ESO estimated values. Thus, both uncertainties and flexible modes can be simultaneously suppressed. A Lyapunov-based stability analysis is conducted for the overall closed-loop system. At last, several representative simulations are conducted to demonstrate the advantages of the proposed active control scheme.
KeywordHypersonic Vehicle Uncertainty Flexibility Extended State Observer Notch Filter
WOS HeadingsScience & Technology ; Technology
WOS KeywordTRACKING CONTROL ; AIRCRAFT ; DESIGN
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace
WOS IDWOS:000352332600044
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/8137
Collection综合信息系统研究中心
Corresponding AuthorZhiqiang Pu
AffiliationChinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Pu, Zhiqiang,Yuan, Ruyi,Tan, Xiangmin,et al. Active robust control of uncertainty and flexibility suppression for air-breathing hypersonic vehicles[J]. AEROSPACE SCIENCE AND TECHNOLOGY,2015,42(2015):429-441.
APA Pu, Zhiqiang,Yuan, Ruyi,Tan, Xiangmin,Yi, Jianqiang,&Zhiqiang Pu.(2015).Active robust control of uncertainty and flexibility suppression for air-breathing hypersonic vehicles.AEROSPACE SCIENCE AND TECHNOLOGY,42(2015),429-441.
MLA Pu, Zhiqiang,et al."Active robust control of uncertainty and flexibility suppression for air-breathing hypersonic vehicles".AEROSPACE SCIENCE AND TECHNOLOGY 42.2015(2015):429-441.
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