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Open AccessArticle

Pattern Recognition and Clustering of Transient Pressure Signals for Burst Location

1
School of Civil Engineering, Architecture and Urban Planning, University of Campinas, 951 Albert Einstein Av., 13.083-189 Campinas, SP, Brazil
2
Hydraulic and Water Resources Department, Federal University of Minas Gerais, 6627 Antônio Carlos Av., 31270-901 Belo Horizonte, MG, Brazil
3
Fluing-Institute for Multidisciplinary Mathematics, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
*
Author to whom correspondence should be addressed.
Water 2019, 11(11), 2279; https://doi.org/10.3390/w11112279
Received: 19 September 2019 / Revised: 24 October 2019 / Accepted: 25 October 2019 / Published: 30 October 2019
(This article belongs to the Special Issue Advances in Modeling and Management of Urban Water Networks)
A large volume of the water produced for public supply is lost in the systems between sources and consumers. An important—in many cases the greatest—fraction of these losses are physical losses, mainly related to leaks and bursts in pipes and in consumer connections. Fast detection and location of bursts plays an important role in the design of operation strategies for water loss control, since this helps reduce the volume lost from the instant the event occurs until its effective repair (run time). The transient pressure signals caused by bursts contain important information about their location and magnitude, and stamp on any of these events a specific "hydraulic signature". The present work proposes and evaluates three methods to disaggregate transient signals, which are used afterwards to train artificial neural networks (ANNs) to identify burst locations and calculate the leaked flow. In addition, a clustering process is also used to group similar signals, and then train specific ANNs for each group, thus improving both the computational efficiency and the location accuracy. The proposed methods are applied to two real distribution networks, and the results show good accuracy in burst location and characterization. View Full-Text
Keywords: water distribution systems; pipe bursts; hydraulic transients; real-time control; machine learning water distribution systems; pipe bursts; hydraulic transients; real-time control; machine learning
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MDPI and ACS Style

Manzi, D.; Brentan, B.; Meirelles, G.; Izquierdo, J.; Luvizotto, E., Jr. Pattern Recognition and Clustering of Transient Pressure Signals for Burst Location. Water 2019, 11, 2279.

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