Integrated design and control using a simultaneous mixed-integer dynamic optimization approach / Rodrigo López-Negrete de la Fuente in Industrial & engineering chemistry research, Vol. 48 N°4 (Février 2009)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 48 N°4 (Février 2009) . - pp. 1933–1943 Titre : Integrated design and control using a simultaneous mixed-integer dynamic optimization approach Type de document : texte imprimé Auteurs : Rodrigo López-Negrete de la Fuente, Auteur ; Antonio Flores-Tlacuahuac, Auteur Année de publication : 2009 Article en page(s) : pp. 1933–1943 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Binary distillation column Mixed-integer nonlinear programming Dynamic optimization approach Résumé : In this work, we address the simultaneous design and control of a binary distillation column. The problem is first formulated as a mixed-integer dynamic optimization problem that is then transformed into a mixed-integer nonlinear programming problem using the simultaneous dynamic optimization approach (i.e., full discretization). This formulation is capable of designing the optimal feed tray location, tray sizing, optimal operating steady states, the optimal open-loop trajectory between them, and also the best controller paring and parameters that does the best tracking of the open-loop trajectory. For solving the complex mixed-integer dynamic optimization problem, an optimization decomposition strategy is proposed. The solution strategy is based on solving relaxed versions of the optimization problem and using the results to initialize complex problem versions. The full space problem was solved with the Bonmin solver. Two cases were analyzed, and in both the solver and the proposed decomposition strategy were capable of solving the problems successfully. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801353c [article] Integrated design and control using a simultaneous mixed-integer dynamic optimization approach [texte imprimé] / Rodrigo López-Negrete de la Fuente, Auteur ; Antonio Flores-Tlacuahuac, Auteur . - 2009 . - pp. 1933–1943. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N°4 (Février 2009) . - pp. 1933–1943 Mots-clés : Binary distillation column Mixed-integer nonlinear programming Dynamic optimization approach Résumé : In this work, we address the simultaneous design and control of a binary distillation column. The problem is first formulated as a mixed-integer dynamic optimization problem that is then transformed into a mixed-integer nonlinear programming problem using the simultaneous dynamic optimization approach (i.e., full discretization). This formulation is capable of designing the optimal feed tray location, tray sizing, optimal operating steady states, the optimal open-loop trajectory between them, and also the best controller paring and parameters that does the best tracking of the open-loop trajectory. For solving the complex mixed-integer dynamic optimization problem, an optimization decomposition strategy is proposed. The solution strategy is based on solving relaxed versions of the optimization problem and using the results to initialize complex problem versions. The full space problem was solved with the Bonmin solver. Two cases were analyzed, and in both the solver and the proposed decomposition strategy were capable of solving the problems successfully. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801353c

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