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Título:	Leakage location in water distribution networks based on correlation measurement of pressure sensors
Autor/a:	Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Pérez Magrané, Ramon; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Mirats Tur, Josep Maria
Otros autores:	Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial; Institut de Robòtica i Informàtica Industrial; Universitat Politècnica de Catalunya. SAC - Sistemes Avançats de Control
Abstract:	Leaks are present to some extent in all water-distribution systems. This paper proposes a leakage localisation method based on the pressure measurements and pressure sensitivity analysis of nodes in a water distribution network. The sensitivity analysis using analytical tools is not a trivial job in a real network because of the huge non-explicit, non-linear systems of equations that describe its dynamics. Simulations of the network in presence and absence of leakage may provide an approximation of this sensitivity. A fault isolation algorithm which correlates on line the residuals (generated by comparing the available pressure measurements with their estimation using a model) with the fault sensitivity matrix is used. The proposed algorithm has been applied in simulation to a DMA (District Metered Area) in the Barcelona Network using EPANET software. The results obtained were promising
Materia(s):	-Àrees temàtiques de la UPC::Informàtica::Automàtica i control -Water -- Distribution -Process control -Aigua -- Distribució -Control de processos
Derechos:
Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
Editor:	Internatinal Water Association (IWA)
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