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Decentralised MPC based on a graph partitioning approach applied to the Barcelona drinking water network
Ocampo-Martínez, Carlos; Puig Cayuela, Vicenç; Bovo, Samuele
Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial; Universitat Politècnica de Catalunya. SAC - Sistemes Avançats de Control
In this paper, the application of decentralised model predictive control (DMPC) over a partitioned model of the Barcelona drinking water network (DWN) is proposed. The system decomposition is based on graph partitioning theory, which considers the graph representation of the DWN topology. Once obtained, this system decomposition yields to some bidirectional flows of information between the MPC controllers. Hence, the proposed DMPC strategy copes with this feature, resulting in a hierarchical-like scheme. Results obtained when used selected simulation scenarios show the effectiveness of the control strategy in terms of system modularity, reduced computational burden and, at the same time, the admissible loss of performance in contrast to a centralised MPC (CMPC) strategy.
Peer Reviewed
Àrees temàtiques de la UPC::Desenvolupament humà i sostenible::Desenvolupament humà::Aigua i sanejament
Water supply
Drinking water
Decentralised control
Control theory
Model predictive control
Large-scale networked systems
Systems partitioning
Hierarchical control
Aigua -- Abastament
Aigua potable

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