Performance enhancement of automatic voltage regulator by modified cost function and symbiotic organisms search algorithm

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dc.contributor.authorÇelik, Emre
dc.contributor.authorDurgut, Rafet
dc.date.accessioned2020-04-30T23:20:46Z
dc.date.available2020-04-30T23:20:46Z
dc.date.issued2018
dc.departmentDÜ, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.descriptionWOS: 000445967100030en_US
dc.description.abstractThis article attempts to solve the problem of efficient design of proportional + integral + derivative (PID) controller applied to popular automatic voltage regulator (AVR) system by employing recently introduced symbiotic organisms search (SOS) algorithm, for the first time. PID controller design needs proper determination of three control parameters. Such a design problem can be taken as an optimization task and SOS is invoked to find out better controller parameters through a new cost function defined in the paper, which allows to evaluate the control behavior in both time-domain and frequency-domain. For the performance analysis, distinct analysis techniques are deployed such as transient response analysis, root locus analysis and bode analysis. Besides, robustness analysis of the closed-loop control system tuned by SOS is performed with regard to parameter uncertainties and external disturbance. The efficacy of the presented technique is widely illustrated by comparing the obtained results with those reported in some prestigious journals and it is shown that our proposal leads to a more satisfactory control performance from the perspective of both time-domain and frequency-domain specifications while with a good robustness to parameter uncertainties and unknown changes in the system output. (C) 2018 Karabuk University. Publishing services by Elsevier B.V.en_US
dc.identifier.doi10.1016/j.jestch.2018.08.006en_US
dc.identifier.endpage1111en_US
dc.identifier.issn2215-0986
dc.identifier.issue5en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1104en_US
dc.identifier.urihttps://doi.org/10.1016/j.jestch.2018.08.006
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4073
dc.identifier.volume21en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier - Division Reed Elsevier India Pvt Ltden_US
dc.relation.ispartofEngineering Science And Technology-An International Journal-Jestechen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAutomatic voltage regulatoren_US
dc.subjectPID controlleren_US
dc.subjectMulti-objective optimizationen_US
dc.subjectSymbiotic organisms search algorithmen_US
dc.subjectPerformance analysisen_US
dc.subjectCost functionen_US
dc.titlePerformance enhancement of automatic voltage regulator by modified cost function and symbiotic organisms search algorithmen_US
dc.typeArticleen_US

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