Control of MIMO Time-Delay Processes Having Disturbances with Time Delays

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Resumen

This work deals with the control of continuous-time MIMO (Multiple Input Multiple Output) time-delay processes having multiple disturbances acting on the process outputs. Such disturbances possess time delays that can be modeled using the Laplace operator. A discrete-time PI (Proportional Integral) LQG (Linear Quadratic Gaussian) controller is designed to control such time-delay processes. As a matter of fact, an LQG controller results from the combination of an LQR (Linear Quadratic Regulator) controller with a Kalman filter to estimate process states. An LQR controller is selected for the following reasons. First, such a controller secures an infinite gain margin and a phase margin of about 60 C. Consequently, robustness and disturbance rejection ability are some of the characteristics of an LQR controller. Intensive simulation studies related to the application of the proposed approach on benchmark time-delay processes demonstrate that the outputs of MIMO processes can be controlled simultaneously despite the presence of disturbances possessing time delays, which are acting on the process outputs.

Idioma originalInglés
Título de la publicación alojadaProceedings of the 7th Brazilian Technology Symposium, BTSym 2021 - Emerging Trends in Systems Engineering Mathematics and Physical Sciences
EditoresYuzo Iano, Osamu Saotome, Guillermo Leopoldo Kemper Vásquez, Claudia Cotrim Pezzuto, Rangel Arthur, Gabriel Gomes de Oliveira
EditorialSpringer Science and Business Media Deutschland GmbH
Páginas443-451
Número de páginas9
ISBN (versión impresa)9783031085444
DOI
EstadoPublicada - 2022
Evento7th Brazilian Technology Symposium, BTSym 2021 - Virtual, Online
Duración: 8 nov. 202110 nov. 2021

Serie de la publicación

NombreSmart Innovation, Systems and Technologies
Volumen295 SIST
ISSN (versión impresa)2190-3018
ISSN (versión digital)2190-3026

Conferencia

Conferencia7th Brazilian Technology Symposium, BTSym 2021
CiudadVirtual, Online
Período8/11/2110/11/21

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