Island-based Crow Search Algorithm for solving optimal control problems

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dc.authoridTurgut, Mert Sinan / 0000-0002-5739-2119
dc.authoridTurgut, Oguz Emrah / 0000-0003-3556-8889
dc.authoridTursel Eliiyi, Deniz / 0000-0001-7693-3980
dc.authorscopusid56228320400
dc.authorscopusid57200158463
dc.authorscopusid14521079300
dc.authorwosidTursel Eliiyi, Deniz/J-9518-2014
dc.contributor.authorTurgut, Mert Sinan
dc.contributor.authorTurgut, Oğuz Emrah
dc.contributor.authorEliiyi, Deniz Türsel
dc.date.accessioned2022-02-15T16:58:44Z
dc.date.available2022-02-15T16:58:44Z
dc.date.issued2020
dc.departmentBakırçay Üniversitesien_US
dc.description.abstractCrow Search Algorithm (CROW) is one of the members of recently developed swarm-based meta-heuristic algorithms. Literature includes different applications of this algorithm on engineering design problems. However, this optimization method suffers from some drawbacks such as premature convergence and trapping into local optima at the early phase of iterations. In order to conquer this algorithm specific inabilities, many research studies have been conducted in the literature dealing with the improvements and enhancements on the search mechanism of CROW. Structured population mechanism plays a vital role in preserving and controlling diversity, and thus increases the solution efficiency in evolutionary algorithms. Among the different types of methods used in structured algorithms, the island model is one of the widely applied solution strategies, in which the population individuals are subdivided into a predefined number of subpopulations. Migration mechanism is the key factor increasing population diversity, which takes place between independently running subpopulations during iterations to exchange valuable and useful solution information. This study embeds the fundamentals of the island model concepts into the Crow Search Algorithm to improve its probing capabilities of the search domain, by means of the periodically interacting subpopulations on the course of iterations. In addition, four different hierarchical migration topologies have been proposed, and their search effectiveness have been evaluated and compared over 45 optimization test functions. The optimization function test set includes classic benchmark optimization problems and CEC 2015 benchmark functions. Furthermore, each hierarchical island model is applied for solving six different optimal control problems in order to investigate their efficiencies on multi-dimensional real world optimization problems. The investigated optimal control problems are parallel reaction, continuous stirred tank reactor, batch reactor consecutive reaction, nonlinear constrained mathematical system, nonlinear continuous stirred tank reactor and nonlinear crane container problems. It is found out that the island model concepts improved the optimization performance of CROW. The proposed island models outperformed or showed similar performance compared to the six selected literature optimizers for 27-29 classic benchmark optimization problems. Moreover, incorporating the master sub-population to the island model improved the optimization capability of the algorithm further in most cases. The island models that employ the master sub-population came up with more favorable results compared to their non-master sub-population peers in all optimal control problems. The island model that includes the master sub-population and has the migration topology entitled 82'' found the most desirable solutions for 4-6 optimal control problems. (C) 2020 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.asoc.2020.106170
dc.identifier.issn1568-4946
dc.identifier.issn1872-9681
dc.identifier.scopus2-s2.0-85079546043en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.asoc.2020.106170
dc.identifier.urihttps://hdl.handle.net/20.500.14034/457
dc.identifier.volume90en_US
dc.identifier.wosWOS:000529902300033en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.journalApplied Soft Computingen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCrow Search Algorithmen_US
dc.subjectIsland modelen_US
dc.subjectHierarchical structured populationen_US
dc.subjectOptimal controlen_US
dc.subjectParticle Swarm Optimizationen_US
dc.subjectKrill Herd Algorithmen_US
dc.subjectDynamic Optimizationen_US
dc.subjectGlobal Optimizationen_US
dc.subjectEvolutionary Algorithmsen_US
dc.subjectHarmony Searchen_US
dc.subjectLocal Searchen_US
dc.subjectTopologyen_US
dc.subjectModelsen_US
dc.titleIsland-based Crow Search Algorithm for solving optimal control problemsen_US
dc.typeArticleen_US

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