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On hybrid model predictive control of sewer networks

Ocampo-Martinez, Carlos and Bemporad, Alberto and Ingimundarson, Ari and Cayuela, Vincenç Puig On hybrid model predictive control of sewer networks. In: Identification and Control: The gap between theory & practice. Springer-Verlag, pp. 87-114. ISBN 978-1-84628-899-9 (2007)

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Real-time control (RTC) of sewer-network systems plays an important role in meeting increasingly restrictive environmental regulations to reduce release of untreated wastewater to the environment. This chapter presents the application of hybrid model predictive control (HMPC) on sewer systems. It is known from the literature that HMPC has a computational complexity growing exponentially with the size of the system to be controlled. However, the average solution time of modern mixed integer program (MIP) solvers is often much better than the predicted worst-case-solution time. The problem is to know when the worst-case computational complexity appears. In addition to presenting the application, a secondary aim of the chapter is to discuss the limits of applicability due to real-time constraints on computation time when HMPC is applied on large-scale systems such as sewer networks. By using a case study of a portion of the Barcelona sewer system, it is demonstrated how the computational complexity of HMPC appears for certain state and disturbance combinations.

Item Type: Book Section
Identification Number: 10.1007/978-1-84628-899-9_4
Subjects: T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Professor Alberto Bemporad
Date Deposited: 27 Jul 2011 08:39
Last Modified: 05 Aug 2011 13:18
URI: http://eprints.imtlucca.it/id/eprint/527

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