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Stability overlay for adaptive control laws
Rosa P.2; Shamma J.S.1; Silvestre C.2; Athans M.2
Source PublicationAutomatica

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
URLView the original
Indexed BySCI
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic
WOS IDWOS:000290502200017
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Cited Times [WOS]:10   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionPersonal research not belonging to the institution
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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