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Articles by Nelson Carriço
Topology‐Aware Neural Networks for Abnormal Consumption Detection and Location in Water Distribution Networks
1 Introduction The inevitable degradation of water distribution networks (WDN) leads to increased water loss (Barton et al., 2019). This increase can result from existing leaks or new burst events of varying magnitudes. Consumers typically report bursts when they become visible after pipe failures. However, small bursts can remain undetected for a long time and ultimately have consequences larger than those of large bursts (Giustolisi et al., 2024).
Hyperparameter Optimization of a Convolutional Neural Network Model for Pipe Burst Location in Water Distribution Networks
3.3. Study on the Effect of Measurement Noise in Pipe Burst Location To study the effect of measurement noise on pipe burst location, in order to take into account the uncertainty of real measurements, two additional training sets of 250 datasets were created, the first one using a noise value of 1% and the second using a noise value of 3%. Training the model with the 0% noise dataset provided a validation accuracy and loss of 90.3% and 0.3274, respectively (Table 11, C23).
Systems | Free Full-Text | An Information System for Infrastructure Asset Management Tailored to Portuguese Water Utilities: Platform Conceptualization and a Prototype Demonstration
Open AccessArticle by Nelson Carriço 1,*, Bruno Ferreira 1, André Antunes 2, Cédric I. C. Grueau 3, Raquel Barreira 1, Ana Mendes 4, Dídia I. C.
Computational Tools for Supporting the Operation and Management of Water Distribution Systems towards Digital Transformation
1. Introduction Acknowledging that the core business of water utilities is to provide drinking water and wastewater services to residential, commercial, and industrial sectors of the economy, information is the key element for operating and managing these services [1,2]. Water services bring together a wide variety of collected data (e.g., flow rate, pressure, energy consumption, end-user consumption) [3,4,5].
Multi-criteria decision analysis in urban water asset management
Structuring of Multicriteria Analysis Models of Public Decision Problems (In Portuguese) , and. “.” In, edited by, and
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