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Stability overlay for adaptive control laws
Rosa P.2; Shamma J.S.1; Silvestre C.2; Athans M.2
2011-05-01
Source PublicationAutomatica
ISSN00051098
Volume47Issue:5Pages:1007-1014
Abstract

This paper proposes an architecture referred to as Stability Overlay (SO) for adaptive control of a class of nonlinear time-varying plants. The SO can be implemented in parallel with a wide range of "performance-based" adaptive control laws, i.e., adaptive control laws that seek to improve closed-loop performance, but may be susceptible to instability in the presence of unaccounted model uncertainty. In this architecture, the performance-based adaptive control law designates candidate controllers based on performance considerations, while the SO supervises this selection based upon online robust stability considerations. A particular selection of a performance-based adaptive control law is not specified. Rather, this selection can be from a wide range of adaptive control schemes. This paper provides stability proofs for the SO architecture and presents a simulation that illustrates the applicability of the proposed method. © 2011 Elsevier Ltd. All rights reserved.

KeywordRobust Adaptive Control Robust Stability Time-varying Systems
DOI10.1016/j.automatica.2011.01.068
URLView the original
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000290502200017
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Citation statistics
Cited Times [WOS]:10   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionPersonal research not belonging to the institution
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Georgia Institute of Technology, School of Electrical and Computer Engineering
2.Instituto Superior Técnico
3.Massachusetts Institute of Technology
Recommended Citation
GB/T 7714
Rosa P.,Shamma J.S.,Silvestre C.,et al. Stability overlay for adaptive control laws[J]. Automatica,2011,47(5):1007-1014.
APA Rosa P.,Shamma J.S.,Silvestre C.,&Athans M..(2011).Stability overlay for adaptive control laws.Automatica,47(5),1007-1014.
MLA Rosa P.,et al."Stability overlay for adaptive control laws".Automatica 47.5(2011):1007-1014.
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