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Output-feedback control of combined sewer networks through receding horizon control with moving horizon estimation

AuthorsJoseph-Duran, Bernat ; Ocampo-Martinez, Carlos ; Cembrano, Gabriela
Issue Date16-Oct-2015
PublisherAmerican Geophysical Union
John Wiley & Sons
CitationWater Resources Research 51(10): 8129-8145 (2015)
AbstractAn output-feedback control strategy for pollution mitigation in combined sewer networks is presented. The proposed strategy provides means to apply model-based predictive control to large-scale sewer networks, in-spite of the lack of measurements at most of the network sewers. In previous works, the authors presented a hybrid linear control-oriented model for sewer networks together with the formulation of Optimal Control Problems (OCP) and State Estimation Problems (SEP). By iteratively solving these problems, preliminary Receding Horizon Control with Moving Horizon Estimation (RHC/MHE) results, based on flow measurements, were also obtained. In this work, the RHC/MHE algorithm has been extended to take into account both flow and water level measurements and the resulting control loop has been extensively simulated to assess the system performance according different measurement availability scenarios and rain events. All simulations have been carried out using a detailed physically based model of a real case-study network as virtual reality.
Publisher version (URL)http://dx.doi.org/10.1002/2014WR016696
Appears in Collections:(IRII) Artículos
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