Design of a completely model free adaptive control in the presence of parametric, non-parametric uncertainties and random control signal delay

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dc.authoridErol Barkana, Duygun/0000-0002-8929-0459
dc.authoridTugal, Harun/0000-0001-9103-6380
dc.authoridTutsoy, Onder/0000-0001-6385-3025
dc.contributor.authorTutsoy, Önder
dc.contributor.authorBarkana, Duygun Erol
dc.contributor.authorTugal, Harun
dc.date.accessioned2025-01-06T17:36:05Z
dc.date.available2025-01-06T17:36:05Z
dc.date.issued2018
dc.description.abstractIn this paper, an adaptive controller is developed for discrete time linear systems that takes into account parametric uncertainty, internal-external non-parametric random uncertainties, and time varying control signal delay. Additionally, the proposed adaptive control is designed in such a way that it is utterly model free. Even though these properties are studied separately in the literature, they are not taken into account all together in adaptive control literature. The Q-function is used to estimate long-term performance of the proposed adaptive controller. Control policy is generated based on the long-term predicted value, and this policy searches an optimal stabilizing control signal for uncertain and unstable systems. The derived control law does not require an initial stabilizing control assumption as in the ones in the recent literature. Learning error, control signal convergence, minimized Q-function, and instantaneous reward are analyzed to demonstrate the stability and effectiveness of the proposed adaptive controller in a simulation environment. Finally, key insights on parameters convergence of the learning and control signals are provided. (C) 2018 ISA. Published by Elsevier Ltd. All rights reserved.
dc.description.sponsorshipResearch Council (TUBITAK) [215E047]
dc.description.sponsorshipThis research has been supported by the The Research Council (TUBITAK) with 215E047 project number.
dc.identifier.doi10.1016/j.isatra.2018.03.002
dc.identifier.endpage77
dc.identifier.issn0019-0578
dc.identifier.issn1879-2022
dc.identifier.pmid29550063
dc.identifier.scopus2-s2.0-85043502887
dc.identifier.scopusqualityQ1
dc.identifier.startpage67
dc.identifier.urihttps://doi.org/10.1016/j.isatra.2018.03.002
dc.identifier.urihttps://hdl.handle.net/20.500.14669/1748
dc.identifier.volume76
dc.identifier.wosWOS:000432498400006
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Science Inc
dc.relation.ispartofIsa Transactions
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectAdaptive control
dc.subjectControl policy learning
dc.subjectModel free design
dc.subjectParametric uncertainty
dc.subjectNon-parametric internal-external uncertainty
dc.subjectQ-function learning
dc.subjectRandom control signal delay
dc.titleDesign of a completely model free adaptive control in the presence of parametric, non-parametric uncertainties and random control signal delay
dc.typeArticle

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