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Open AccessArticle

Optimal Placement of Pressure Sensors Using Fuzzy DEMATEL-Based Sensor Influence

1
Business Development, Aigües Bixquert, S.L., Xàtiva, 46800 Valencia, Spain
2
Fluing—Institute for Multidisciplinary Mathematics, Universitat Politècnica de València, 46022 Valencia, Spain
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School of Engineering, Hydraulic Engineering and Water Resources Department, Federal University of Minas Gerais, Belo Horizonte, MG 31270-901, Brazil
4
Dipartimento di Ingegneria, Università degli Studi di Palermo, 90128 Palermo, Italy
5
Business Development, IngeniousWare GmbH, Jollystrasse 11, 76137 Kahlsruhe, Germany
*
Author to whom correspondence should be addressed.
Water 2020, 12(2), 493; https://doi.org/10.3390/w12020493
Received: 30 December 2019 / Revised: 4 February 2020 / Accepted: 6 February 2020 / Published: 12 February 2020
(This article belongs to the Special Issue Smart Urban Water Networks)
Nowadays, optimal sensor placement (OSP) for leakage detection in water distribution networks is a lively field of research, and a challenge for water utilities in terms of network control, management, and maintenance. How many sensors to install and where to install them are crucial decisions to make for those utilities to reach a trade-off between efficiency and economy. In this paper, we address the where-to-install-them part of the OSP through the following elements: nodes’ sensitivity to leakage, uncertainty of information, and redundancy through conditional entropy maximisation. We evaluate relationships among candidate sensors in a network to get a picture of the mutual influence among the nodes. This analysis is performed within a multi-criteria decision-making approach: specifically, a herein proposed variant of DEMATEL, which uses fuzzy logic and builds comparison matrices derived from information obtained through leakage simulations of the network. We apply the proposal first to a toy example to show how the approach works, and then to a real-world case study. View Full-Text
Keywords: water distribution network; leakage; optimal sensor placement; sensitivity; uncertainty; entropy; multi-criteria decision-making; DEMATEL water distribution network; leakage; optimal sensor placement; sensitivity; uncertainty; entropy; multi-criteria decision-making; DEMATEL
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MDPI and ACS Style

Francés-Chust, J.; Brentan, B.M.; Carpitella, S.; Izquierdo, J.; Montalvo, I. Optimal Placement of Pressure Sensors Using Fuzzy DEMATEL-Based Sensor Influence. Water 2020, 12, 493.

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