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Título: | On modelling approaches for receding-horizon control design applied to large-scale sewage systems |
Autor: | Ocampo-Martínez, Carlos CSIC ORCID ; Puig, Vicenç CSIC ORCID | Fecha de publicación: | 2009 | Editor: | Institute of Electrical and Electronics Engineers | Citación: | Proceedings of the 48th IEEE Conference on Decision and Control: 8052-8058 (2009) | Resumen: | In this paper, receding horizon control of large- scale sewage systems is addressed considering different mod- elling approaches, which include several inherent continu- ous/discrete phenomena (overflows in sewers and tanks) and elements (weirs) in the system. This fact results in distinct behaviours depending on the dynamic state (flow/volume) of the network. These behaviours can not be neglected nor can be modelled by a pure linear representation. In order to take into account these phenomena and elements for the design of the control strategy, a modelling approach based on piece-wise linear functions (PWLF) is proposed and compared against a hybrid modelling approach previously reported by the authors. Control performance results and associated computation times considering both modelling approaches are compared by using a real case study based on the Barcelona sewer network. Results have shown an important reduction in the computation time when the PWLF-based model is used, with an acceptable suboptimality level in the closed-loop system performance. | Descripción: | Trabajo presentado a la 48th CDC celebrada en Shanghai del 15 al 18 de diciembre de 2009. | Versión del editor: | http://dx.doi.org/10.1109/CDC.2009.5400216 | URI: | http://hdl.handle.net/10261/30124 | DOI: | 10.1109/CDC.2009.5400216 | ISBN: | 978-1-4244-3871-6 |
Aparece en las colecciones: | (IRII) Libros y partes de libros |
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On modelling approaches.pdf | 464,3 kB | Adobe PDF | Visualizar/Abrir |
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