Identification of Mechanical Systems through Kautz Filter

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dc.contributor.authorDa Silva, S.
dc.contributor.authorDias Junior, M.
dc.contributor.authorLopes Junior, V. [UNESP]
dc.contributor.institutionState UnivW Parana
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:29:25Z
dc.date.available2014-05-20T13:29:25Z
dc.date.issued2009-06-01
dc.description.abstractThis paper presents a novelty approach to estimate the impulse response function (IRF) in lightly damped structures by using classical covariance method. The contribution of the present paper is to employ a Kautz filter to reduce the number of terms in the identification process of a finite impulse response (FIR) model. The Kautz filter is an orthogonal function that includes complex pole pair. So, the method incorporates a priori knowledge into the process that is essential to reach better results and to minimize the number of coefficients in the FIR model. For this reason, the present approach can be classified as a kind of "grey-box" methodology. The numerical and experimental applications of the method confirmed that by considering a priori parametric information the problem can be determined more easily. Moreover, the procedure proposed increased the convergence speed, and, as a consequence the consuming computational cost is lower.en
dc.description.affiliationState UnivW Parana, Ctr Engn & Ciencias Exatas, UNIOESTE, BR-85856970 Foz do Iguacu, Parana, Brazil
dc.description.affiliationUniv Estadual Campinas, Dept Mech Design, Fac Mech Engn, BR-13083970 Campinas, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Mech Engn, Grp Mat & Sistemas Inteligentes, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Mech Engn, Grp Mat & Sistemas Inteligentes, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.sponsorshipState University of Campinas (UNICAMP)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent849-865
dc.identifierhttp://dx.doi.org/10.1177/1077546308091458
dc.identifier.citationJournal of Vibration and Control. London: Sage Publications Ltd, v. 15, n. 6, p. 849-865, 2009.
dc.identifier.doi10.1177/1077546308091458
dc.identifier.issn1077-5463
dc.identifier.lattes8338952092032444
dc.identifier.urihttp://hdl.handle.net/11449/9921
dc.identifier.wosWOS:000266916600003
dc.language.isoeng
dc.publisherSage Publications Ltd
dc.relation.ispartofJournal of Vibration and Control
dc.relation.ispartofjcr2.197
dc.relation.ispartofsjr0,763
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectFIR modelsen
dc.subjectorthonormal basesen
dc.subjectKautz filteren
dc.subjectcovariance methoden
dc.titleIdentification of Mechanical Systems through Kautz Filteren
dc.typeArtigo
dcterms.licensehttp://www.uk.sagepub.com/aboutus/openaccess.htm
dcterms.rightsHolderSage Publications Ltd
unesp.author.lattes8338952092032444
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Ilha Solteirapt

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Artigos - Engenharia Mecânica - FEIS