An Output-Feedback Design Approach for Robust Stabilization of Linear Systems With Uncertain Time-Delayed Dynamics in Sensors and Actuators

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorInstituto Tecnológico de Aeronáutica (ITA)-
Autor(es): dc.creatorSereni, Bruno-
Autor(es): dc.creatorGalvao, Roberto Kawakami Harrop-
Autor(es): dc.creatorAssuncao, Edvaldo-
Autor(es): dc.creatorTeixeira, Marcelo Carvalho Minhoto-
Data de aceite: dc.date.accessioned2025-08-21T22:09:11Z-
Data de disponibilização: dc.date.available2025-08-21T22:09:11Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2022-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1109/ACCESS.2023.3249482-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/249732-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/249732-
Descrição: dc.descriptionIn this paper, we propose a control approach for the robust stabilization of linear time-invariant (LTI) systems with non-negligible sensor and actuator dynamics subject to time-delayed signals. Our proposition is based on obtaining an augmented model that encompasses the plant, sensor, and actuator dynamics and also the time-delay dynamic effect. We make use of the Padé Approximation for modeling the time-delay impact on the feedback loop. Since the actual plant state variables are not available for feedback, the sensor outputs, which represent a subset of the augmented system state variables, are used for composing a static output-feedback control law. The robust controller gains are computed by means of a two-stage strategy based on linear matrix inequalities (LMI). For obtaining less conservative conditions we consider the use of homogeneous-polynomial Lyapunov functions (HPLF)- and other decision variables- of arbitrary degree. In our proposition, we also take into account the inclusion of a minimum decay rate criterion in order to improve closed-loop system transient response. Disturbance rejection is also addressed through extensions to H2 guaranteed cost minimization. The effectiveness of the proposed strategy is attested in the design of a controller for the lateral axis dynamics of an aircraft and other academic examples.-
Descrição: dc.descriptionSão Paulo State University (UNESP) Campus Ilha Solteira School of Engineering, Ilha Solteira-
Descrição: dc.descriptionSão José Dos Campos Divisão de Engenharia Eletrônica Instituto Tecnológico de Aeronáutica (ITA)-
Descrição: dc.descriptionSão Paulo State University (UNESP) Campus Ilha Solteira School of Engineering, Ilha Solteira-
Formato: dc.format20769-20785-
Idioma: dc.languageen-
Relação: dc.relationIEEE Access-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectlinear matrix inequalities-
Palavras-chave: dc.subjectlinear time-invariant systems-
Palavras-chave: dc.subjectRobust control-
Palavras-chave: dc.subjectstatic output feedback-
Palavras-chave: dc.subjecttime-delay-
Título: dc.titleAn Output-Feedback Design Approach for Robust Stabilization of Linear Systems With Uncertain Time-Delayed Dynamics in Sensors and Actuators-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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