Suboptimal State Tracking Control Applied to a Nonlinear Fractional-Order Slewing Motion Flexible Structure

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFed Technol Univ Parana (UTFPR)-
Autor(es): dc.creatorBueno, Atila M.-
Autor(es): dc.creatorDaltin, Daniel C.-
Autor(es): dc.creatorSerni, Paulo J. A.-
Autor(es): dc.creatorBalthazar, Jose M.-
Autor(es): dc.creatorTusset, Angelo M.-
Data de aceite: dc.date.accessioned2025-08-21T20:58:52Z-
Data de disponibilização: dc.date.available2025-08-21T20:58:52Z-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-11-29-
Data de envio: dc.date.issued2022-09-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1115/1.4054570-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/237800-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/237800-
Descrição: dc.descriptionThe control of slewing motion flexible structures is important to a number of systems found in engineering and physical sciences applications, such as aerospace, automotive, robotics, and atomic force microscopy. In this kind of system, the controller must provide a stable and well-damped behavior for the flexible structure vibrations, with admissible control signal amplitudes. Recently, many works have used fractional-order derivatives to model complex and nonlinear dynamical behavior present in the mentioned systems. In order to perform digital computer-based control of fractional-order dynamical systems, a time discretization of the equations is necessary. In many cases, the Grunwald-Letnikov method is used, resulting in an implicit integration method. In this work, a nonlinear slewing motion flexible structure is modeled considering a fractional-order viscous damping in the flexible beam motion. To obtain an explicit integration method, based on the Grunwald-Letnikov definition, the discretization of the dynamical equations is performed considering the existence of sample and hold circuits. In addition, real-time suboptimal infinite horizon tracking control system strategies, namely, the linear quadratic tracking and the state-dependent Riccati equation tracking controller, are designed and implemented to control the fractional-order slewing motion flexible system. The general behavior and performance of the control systems are tested for parameter uncertainties related to the order of the fractional derivatives.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionSao Paulo State Univ UNESP, Inst Sci & Technol, Dept Automat & Control, Av Tres Marco 511, BR-18087180 Sorocaba, SP, Brazil-
Descrição: dc.descriptionFed Technol Univ Parana UTFPR, Dept Elect Engn, Av Monteiro Lobato,Km 4 Sn, BR-84015210 Ponta Grossa, PR, Brazil-
Descrição: dc.descriptionFed Technol Univ Parana UTFPR, Av Monteiro Lobato,Km 4 Sn, BR-84015210 Ponta Grossa, PR, Brazil-
Descrição: dc.descriptionSao Paulo State Univ UNESP, Inst Sci & Technol, Dept Automat & Control, Av Tres Marco 511, BR-18087180 Sorocaba, SP, Brazil-
Formato: dc.format14-
Idioma: dc.languageen-
Publicador: dc.publisherAsme-
Relação: dc.relationJournal Of Computational And Nonlinear Dynamics-
???dc.source???: dc.sourceWeb of Science-
Título: dc.titleSuboptimal State Tracking Control Applied to a Nonlinear Fractional-Order Slewing Motion Flexible Structure-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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