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Artículo

Application of Model predictive control suitable for closed loop re-identification to a polymerization reactor

Bustos, Germán AndrésIcon ; Ferramosca, AntonioIcon ; Godoy, José LuisIcon ; González, Alejandro HernánIcon
Fecha de publicación: 04/2016
Editorial: Elsevier
Revista: Journal Of Process Control
ISSN: 0959-1524
Idioma: Inglés
Tipo de recurso: Artículo publicado

Resumen

Recently, a linear Model Predictive Control (MPC) suitable for closed-loop re-identification was pro-posed, which solves the potential conflict between the persistent excitation of the system (necessary toperform a suitable identification) and the control, and guarantees recursive feasibility and attractivity ofan invariant region of the closed-loop. This approach, however, needs to be extended to account for aproper robustness to moderate-to-severe model mismatches, given that re-identifications are necessarywhen the system is not close to the operating point where the current linear model was identified. In thiswork, new results on robustness are presented, and an exhaustive application of the new MPC suitablefor closed-loop re-identification to a nonlinear polymerization reactor simulator is made to explore thedifficulties arising from a real life identification. Furthermore, several closed-loop re-identification areperformed in order to clearly show that the proposed controller provides uncorrelated input–output datasets, which together with the guaranteed stability, constitute the main controller benefit.
Palabras clave: Model Predictive Control , Closed-Loop Identification , Polymerization Reactor , Persistent Excitation
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/23810
URL: http://www.sciencedirect.com/science/article/pii/S095915241630035X?via%3Dihub
DOI: http://dx.doi.org/10.1016/j.jprocont.2016.04.011
Colecciones
Articulos(INTEC)
Articulos de INST.DE DES.TECNOL.PARA LA IND.QUIMICA (I)
Citación
Bustos, Germán Andrés; Ferramosca, Antonio; Godoy, José Luis; González, Alejandro Hernán; Application of Model predictive control suitable for closed loop re-identification to a polymerization reactor; Elsevier; Journal Of Process Control; 44; 4-2016; 1-13
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