Extended-Horizon Analysis of Pressure Sensitivities for Leak Detection in Water Distribution Networks

Leaks represent one of the most relevant faults in water distribution networks (WDN), resulting in severe losses. Despite the growing research interest in critical infrastructure monitoring, most of the solutions present in the literature cannot completely address the specific challenges characterizing WDNs, such as the low spatial resolution of measurements (flow and/or pressure recordings) and the scarcity of annotated data. We present a novel integrated solution that addresses these challenges and successfully detects and localizes leaks in WDNs. In particular, we detect leaks by a sequential monitoring algorithm that analyzes the inlet flow, and then we validate each detection by an ad hoc statistical test. We address leak localization as a classification problem, which we can simplify by a customized clustering scheme that gathers locations of the WDN where, due to the low number of sensors, it is not possible to accurately locate leaks. A relevant advantage of the proposed solution is that it exposes interpretable tuning parameters and can integrate knowledge from domain experts to cope with scarcity of annotated data. Experiments, performed on a real dataset of the Barcelona WDN with both real and simulated leaks, show that the proposed solution can improve the leak detection and localization performance with respect to methods proposed in the literature.

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Leak detection and localization in water distribution networks by combining expert knowledge and data-driven models

Soldevila¹,

Boracchi

Roveri

et al. 2021

Neural Comput & Applic

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Leakage diagnosis with a contamination mitigation control framework using a graph theory based model

Rathore

Misra

Kallesøe

et al. 2023

Annual Reviews in Control

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A fault-injection-based approach to leak localization in water distribution networks using an ensemble model of Bayesian classifiers

Farghadan,

Zamani,

Ghazizadeh

2023

Journal of Process Control

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Extended-Horizon Analysis of Pressure Sensitivities for Leak Detection in Water Distribution Networks

Cited by 13 publications

References 7 publications

Leak detection and localization in water distribution networks by combining expert knowledge and data-driven models

Leak detection and localization in water distribution networks by combining expert knowledge and data-driven models

Leakage diagnosis with a contamination mitigation control framework using a graph theory based model

A fault-injection-based approach to leak localization in water distribution networks using an ensemble model of Bayesian classifiers

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