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Ara es mostren els items 44-63 de 111

    • Leak detection and localization in water distribution networks: review and perspective 

      Romero Ben, Luis; Alves, Débora; Blesa Izquierdo, Joaquim; Cembrano Gennari, Gabriela; Puig Cayuela, Vicenç; Duviella, Eric (2023-01-01)
      Article
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      In this paper, leak detection and localization in water distribution networks will be reviewed. In particular, the paper presents the evolution of the methods from model-based towards data-based approaches, listing, ...

    • Leak detection in water distribution networks based on water demand analysis 

      Alves, Débora Cristina Costa da Silva; Blesa Izquierdo, Joaquim; Rajaoarisoa, Lala H.; Duviella, Eric (2022)
      Article
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      This paper deals with the leak detection problem in Water Distribution Networks (WDN). A leak detection method based on the water demand analysis of District Metered Areas (DMAs) is proposed. Historical leak-free data of ...

    • Leak Detection, Isolation and Estimation in Pressurized Water Pipe Networks using LPV Models and Zonotopes 

      Blesa Izquierdo, Joaquim; Puig Cayuela, Vicenç; Saludes Closa, Jordi; Vento Maldonado, Jorge (2010)
      Text en actes de congrés
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      In this paper, a leak detection, isolation and estimation methodology in pressurized water pipe networks is proposed. The methodology is based on computing residuals which are obtained comparing measured pressures (heads) ...

    • Leak localization in water distribution networks using a Kriging data-based approach 

      Soldevila, Adrià; Jensen, Tom Nørgaard; Blesa Izquierdo, Joaquim; Tornil Sin, Sebastián; Fernández Canti, Rosa M.; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a Kriging data-based method for leak localization in Water Distribution Networks (WDNs). Given a set of sensors that provide pressure measurements in some inner nodes of the WDN, a WDN data-driven model ...

    • Leak localization in water distribution networks using a mixed model-based/data-driven approach 

      Soldevila Coma, Adrià; Tornil Sin, Sebastián; Blesa Izquierdo, Joaquim; Duviella, Eric; Fernández Canti, Rosa M.; Puig Cayuela, Vicenç (2016-10-01)
      Article
      Accés obert
      This paper proposes a new method for leak localization in water distribution networks (WDNs). In a first stage, residuals are obtained by comparing pressure measurements with the estimations provided by a WDN model. In a ...

    • Leak localization in water distribution networks using Bayesian classifiers 

      Soldevila Coma, Adrià; Fernández Canti, Rosa M.; Blesa Izquierdo, Joaquim; Tornil Sin, Sebastián; Puig Cayuela, Vicenç (2017-07-01)
      Article
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      This paper presents a method for leak localization in water distribution networks (WDNs) based on Bayesian classifiers. Probability density functions for pressure residuals are calibrated off-line for all the possible leak ...

    • Leak localization in water distribution networks using classifiers with cosenoidal features 

      Santos-Ruiz, I; Blesa Izquierdo, Joaquim; Puig Cayuela, Vicenç; Lopez-Estrada, F.R. (2020)
      Text en actes de congrés
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      This paper presents a leak localization approach for water distribution networks using classifiers with pressure residuals as input features. This approach is based on applying a non-linear transformation to the residuals ...

    • Leak localization in water distribution networks using data-driven and model-based approaches 

      Romero Ben, Luis; Alves, Débora Cristina Costa da Silva; Blesa Izquierdo, Joaquim; Cembrano Gennari, Gabriela; Puig Cayuela, Vicenç; Duviella, Eric (EDITORIAL ASCER, 2022-05-01)
      Article
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      The detection and localization of leaks in water distribution networks (WDNs) is one of the major concerns of water utilities, due to the necessity of an efficient operation that satisfies the worldwide growing demand for ...

    • Leak localization in water distribution networks using deep learning 

      Javadiha, Mohammadreza; Blesa Izquierdo, Joaquim; Soldevila Coma, Adrià; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
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      This paper explores the use of deep learning for leak localization in Water Distribution Networks (WDNs) using pressure measurements. By using a training data set including enough samples of all possible leak localizations, ...

    • Leak localization in water distribution networks using model-based bayesian reasoning 

      Soldevila Coma, Adrià; Fernández Canti, Rosa M.; Blesa Izquierdo, Joaquim; Tornil Sin, Sebastián; Puig Cayuela, Vicenç (2016)
      Text en actes de congrés
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      This paper presents a new method for leak localization in Water Distribution Networks that uses a model-based approach combined with Bayesian reasoning. Probability density functions in model-based pressure residuals are ...

    • Leak localization in water distribution networks using pressure residuals and classifiers 

      Ferrandez-Gamot, Lise; Bousson, Pierre; Blesa Izquierdo, Joaquim; Tornil Sin, Sebastián; Puig Cayuela, Vicenç; Douviella, Eric; Soldevila Coma, Adrià (International Federation of Automatic Control (IFAC), 2015)
      Text en actes de congrés
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      In order to take into account the scarcity of the water resource and the increasing of the population, the management of drinking water networks has to be improved with the use of new tools and actions that allows fighting ...

    • Leak localization method for water-distribution networks using a data-driven model and Dempster-Shafer reasoning 

      Soldevila Coma, Adrià; Blesa Izquierdo, Joaquim; Jensen, Tom Nørgaard; Tornil Sin, Sebastián; Fernández Canti, Rosa M.; Puig Cayuela, Vicenç (2020-04-07)
      Article
      Accés obert
      This article presents a new data-driven method for leak localization in water-distribution networks (WDNs). The method uses the information provided by a set of pressure sensors installed in some internal network nodes in ...

    • Leak monitoring 

      Pérez Magrané, Ramon; Cugueró Escofet, Josep; Sanz Estapé, Gerard; Cugueró Escofet, Miquel Àngel; Blesa Izquierdo, Joaquim (Springer, 2017)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This book presents a set of approaches for the real-time monitoring and control of drinking-water networks based on advanced information and communication technologies. It shows the reader how to achieve significant ...

    • Limnimeter and rain gauge FDI in sewer networks using an interval parity equations based detection approach and an enhanced isolation scheme 

      Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim (2013-02)
      Article
      Accés obert
      In this paper, a methodology for limnimeter and rain-gauge fault detection and isolation (FDI) in sewer networks is presented. The proposed model based FDI approach uses interval parity equations for fault detection in ...

    • Linear parameter varying modeling and identification for real-time control of open-flow irrigation canals 

      Bolea Monte, Yolanda; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim (Elsevier, 2014-03)
      Article
      Accés restringit per política de l'editorial
      Irrigation canals are open-flow water hydraulic systems, whose objective is mainly to convey water from its source down to its final users. They are large distributed systems characterized by non-linearity and dynamic ...

    • Localización de fugas en redes de distribución de agua mediante k-NN con distancia cosenoidal 

      Santos Ruiz, Ildeberto de los; López Estrada, Francisco Ronay; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim; Javadiha, Mohammadreza (2019)
      Text en actes de congrés
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      Se propone la localización de fugas en redes de distribución de agua medianteclasificadores basados en el método de los vecinos más cercanos (k-NN) con métrica de distanciacosenoidal. El uso de distancias cosenoidales ...

    • LPV modelling and identification of an open-flow canal for control 

      Bolea Monte, Yolanda; Blesa Izquierdo, Joaquim; Puig Cayuela, Vicenç (2012)
      Comunicació de congrés
      Accés restringit per acord de confidencialitat
      Open-flow canals are large distributed systems characterized by non-linear, time-varying and dependent with the operating point behavior. These systems can be suitably represented for control by linear parameter varying ...

    • Model reference FTC for LPV systems using virtual actuators and set-membership fault estimation 

      Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim (2014-10-20)
      Article
      Accés restringit per política de l'editorial
      In this paper, a model reference fault tolerant control (FTC) strategy based on a reconfiguration of the reference model, with the addition of a virtual actuator block, is presented for linear parameter varying (LPV) ...

    • Model-based sensor supervision in inland navigation networks: Cuinchy-Fontinettes case study 

      Blesa Izquierdo, Joaquim; Horvath, Klaudia; Duviella, Eric; Puig Cayuela, Vicenç; Bolea Monte, Yolanda; Rajaoarisoa, Lala H.; Chuquet, Karine (Iniciativa Digital Politècnica, 2014)
      Text en actes de congrés
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      In recent years, inland navigation networks benefit from the innovation of the instrumentation and SCADA systems. These data acquisition and control systems lead to the improvement of the management of these networks. ...

    • Model-based sensor supervision inland navigation networks: Cuinchy-Fontinettes case study 

      Blesa Izquierdo, Joaquim; Horváth, Klaudia; Duviella, Eric; Puig Cayuela, Vicenç; Bolea Monte, Yolanda; Rajaoarisoa, Lala H.; Chuquet, Karine (Universidad de Cantabria, 2014-09-01)
      Article
      Accés obert
      In recent years, inland navigation networks bene¿t from the innovation of the instrumentation and SCADA systems. These data acquisition and control systems lead to the improvement of the management of these networks. ...