Optimal pressure sensor placement and assessment for leak location using a relaxed isolation index: Application to the Barcelona water network
10.1016/j.conengprac.2017.03.003
Inclou dades d'ús des de 2022
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hdl:2117/115500
Tipus de documentArticle
Data publicació2017-06-01
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Water distribution networks are large complex systems affected by leaks, which often entail high costs and may severely jeopardise the overall water distribution performance. Successful leak location is paramount in order to minimize the impact of these leaks when occurring. Sensor placement is a key issue in the leak location process, since the overall performance and success of this process highly depends on the choice of the sensors gathering data from the network. Common problems when isolating leaks in large scale highly gridded real water distribution networks include leak mislabelling and the obtention of large number of possible leak locations. This is due to similarity of leak effect in the measurements, which may be caused by topological issues and led to incomplete coverage of the whole network. The sensor placement strategy may minimize these undesired effects by setting the sensor placement optimisation problem with the appropriate assumptions (e.g. geographically cluster alike leak behaviors) and by taking into account real aspects of the practical application, such as the acceptable leak location distance. In this paper, a sensor placement methodology considering these aspects and a general sensor distribution assessment method for leak diagnosis in water distribution systems is presented and exemplified with a small illustrative case study. Finally, the proposed method is applied to two real District Metered Areas (DMAs) located within the Barcelona water distribution network.
CitacióCugueró , M., Puig, V., Quevedo, J. Optimal pressure sensor placement and assessment for leak location using a relaxed isolation index: Application to the Barcelona water network. "Control engineering practice", 1 Juny 2017, vol. 63, p. 1-12.
ISSN0967-0661
Versió de l'editorhttp://www.sciencedirect.com/science/article/pii/S096706611730059X
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