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A procedure to specify the weighting matrices for an optimal load-frequency controller

2012Journal article Restricted access
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dc.contributor.authorMariano, S.
dc.contributor.authorPombo, José Álvaro Nunes
dc.contributor.authorCalado, M. Do Rosário
dc.contributor.authorFerreira, Luís António Fialho Marcelino
dc.date.accessioned2019-05-10T13:23:10Z
dc.date.available2019-05-10T13:23:10Z
dc.date.issued2012
dc.description.abstractThe linear quadratic optimal regulator is one of the most powerful techniques for designing multivariable control systems. The performance of the system is specified in terms of a cost, which is the integral of a weighted quadratic function of the system state and control inputs, that is to be minimized by the optimal controller. The components of the state cost weighting matrix, Q, and the control cost weighting matrix, R, are ours to choose in mathematically specifying the way we wish the system to perform. Changing these matrices, we can modify the transient behavior of the closed-loop system. This paper addresses the stabilization and performance of the load-frequency controller by using the theory of the optimal control. A new technique, based on pole placement using optimal regulators, to overcome the difficulties of specifying weighting matrices Q and R is proposed. The design method employs successive shifting of either a real pole or a pair of complex conjugate poles at a time. The proposed technique builds Q and R in such a way that the system response also obeys conventional criteria for the system pole location. The effectiveness of the proposed method is illustrated by numerical examples.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3906/elk-1003-413pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/7075
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherThe Scientific and Technological Research Council of Turkeypt_PT
dc.subjectPower systemspt_PT
dc.subjectLoad-frequency controlpt_PT
dc.subjectOptimal contropt_PT
dc.subjectWeighting matricespt_PT
dc.titleA procedure to specify the weighting matrices for an optimal load-frequency controllerpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage379pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage367pt_PT
oaire.citation.titleTurkish Journal of Electrical Engineering & Computer Sciencespt_PT
oaire.citation.volume20pt_PT
person.familyNamePinto Simões Mariano
person.familyNamePombo
person.familyNameCalado
person.givenNameSílvio José
person.givenNameJose
person.givenNameM. do Rosário
person.identifier.ciencia-id541F-E2B4-D66D
person.identifier.ciencia-id7615-8E00-8084
person.identifier.ciencia-id9115-032B-370B
person.identifier.orcid0000-0002-6102-5872
person.identifier.orcid0000-0002-8727-0067
person.identifier.orcid0000-0002-5206-487X
person.identifier.ridN-6834-2013
person.identifier.ridN-6809-2013
person.identifier.scopus-author-id35612517200
person.identifier.scopus-author-id34977533800
person.identifier.scopus-author-id9338016700
rcaap.embargofctCopyright cedido à editora no momento da publicaçãopt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationcdbb9afc-4123-45ca-a946-89bafda7ab68
relation.isAuthorOfPublicationcce2060a-24b8-441b-8896-cb4d0b3d3e83
relation.isAuthorOfPublication321aefdd-cd1f-4dd6-878e-c904b3ef89ab
relation.isAuthorOfPublication.latestForDiscovery321aefdd-cd1f-4dd6-878e-c904b3ef89ab

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