Now showing items 1-20 of 27

    • A decision support system for on-line leakage localization 

      Meseguer Amela, Jordi; Mirats Tur, Josep Maria; Cembrano Gennari, Gabriela; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Pérez Magrané, Ramon; Sanz Estapé, Gerard; Ibarra Gómez, David (Elsevier, 2014-10-01)
      Article
      Restricted access - publisher's policy
      This paper describes a model-driven decision-support system (software tool) implementing a model-based methodology for on-line leakage detection and localization which is useful for a large class of water distribution ...
    • Abnormal quality detection and isolation in water distribution networks using simulation models 

      Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Sarrate Estruch, Ramon; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats, J M (2012-11-16)
      Article
      Open Access
      This paper proposes a model based detection and localisation method to deal with abnormal quality levels based on the chlorine measurements and chlorine sensitivity analysis in a water distribution network. A fault isolation ...
    • Abnormal quality detection and isolation in water distribution networks using simulation models 

      Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats Tur, Josep Maria (2011)
      Conference report
      Restricted access - author's decision
    • Accuracy assessment of leak localisation method depending on available measurements 

      Pérez Magrané, Ramon; Cugueró Escofet, Miquel Àngel; Cugueró Escofet, Josep; Sanz Estapé, Gerard (2013)
      Conference report
      Restricted access - publisher's policy
      Model-based leak localization methods are currently developed and applied to real cases. The performance and success of such methods depend highly both on models [Pérez et al. (2011a)] and the measurements available. The ...
    • Assessment of a leak localization algorithm in water networks under demand uncertainty 

      Cugueró Escofet, Josep; Blesa Izquierdo, Joaquim; Pérez Magrané, Ramon; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard (International Federation of Automatic Control (IFAC), 2015)
      Conference report
      Restricted access - publisher's policy
      The performance and success of model-based leak localization methods applied to water networks highly depends on the uncertainty of the system considered. One of the main sources of uncertainty in these networks are the ...
    • Benchmark de control y superivisión de redes de distribución de aguas 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (2013)
      Conference report
      Open Access
      La disponibilidad de agua potable es posible gracias a las infraestructuras construidas que conforman las redes de distribución. Las compañías de agua son las encargadas de mantener estas redes en buen estado, así como ...
    • Chlorine decay model calibration and comparison: application to a real water network 

      Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats Tur, Josep Maria (2013)
      Conference report
      Open Access
      This work presents a methodology to efficiently calibrate chlorine decay models. The calibration consists in estimating the unknown parameters by comparing the measured and simulated chlorine concentrations at the monitored ...
    • Chlorine decay model calibration and comparison: application to a real water network 

      Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats Tur, Josep Maria (2013)
      Conference report
      Restricted access - publisher's policy
      This work presents a methodology to efficiently calibrate chlorine decay models. The calibration consists in estimating the unknown parameters by comparing the measured and simulated chlorine concentrations at the monitored ...
    • Comparison of demand calibration in water distribution networks using pressure and flow sensors 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (2015)
      Conference report
      Open Access
      Water distribution network models are used by water companies in a wide range of applications. A good calibration of these models is required in order to improve the confidence of the application results. Pressure and flow ...
    • Comparison of demand pattern calibration in water distribution networks with geographic and non-geographic parameterization 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (2014)
      Conference report
      Open Access
      Demands are one of the most uncertain parameters in water distribution network models. A good calibration of the model demands leads to better results when using the model for any purpose. A demand pattern calibration ...
    • Demand modeling for water networks calibration and leak localization 

      Sanz Estapé, Gerard (Universitat Politècnica de Catalunya, 2016-03-18)
      Doctoral thesis
      Open Access
      The success in the application of any model-based methodology (e.g. design, control, supervision) highly depends on the availability of a well calibrated model. There is no best or unique solution for the calibration problem ...
    • Demand pattern calibration in water distribution networks 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (2013)
      Conference report
      Restricted access - publisher's policy
      Water distribution network models are widely used by water companies. Consumer demands are one of the main uncertainties in these models, but their calibration is not feasible due to the low number of sensors available in ...
    • Leak detection and localization through demand components calibration 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon; Zoran, Kapelan; Savic, Dragan (2016-02-01)
      Article
      Open Access
      Success in the application of any model-based methodology (e.g., design, control, supervision) highly depends on the availability of a well-calibrated model. The calibration of water distribution networks needs to be ...
    • Leak localization in water networks: a model-based methodology using pressure sensors applied to a real network in Barcelona 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Nejjari Akhi-Elarab, Fatiha; Meseguer, Jordi; Cembrano Gennari, Gabriela; Mirats Tur, Josep Maria; Sarrate Estruch, Ramon (2014-08-01)
      Article
      Restricted access - publisher's policy
      The efficient distribution of water is a subject of major concern for water utilities and authorities [1]. While some leaks in water distribution networks (WDNs) are unavoidable, one of the main challenges in improving the ...
    • Leak monitoring 

      Pérez Magrané, Ramon; Cugueró Escofet, Josep; Sanz Estapé, Gerard; Cugueró, Miquel Àngel; Blesa Izquierdo, Joaquim (Springer, 2017)
      Part of book or chapter of book
      Restricted access - publisher's policy
      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 ...
    • Leakage isolation in water distribution networks: a comparative study of two methodologies on a real case study 

      Pérez Magrané, Ramon; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats, J.M; Quevedo Casín, Joseba Jokin (IEEE, 2011)
      Conference report
      Restricted access - publisher's policy
    • Leakage localization in water networks using fuzzy logic 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon; Escobet Canal, Antoni (2012)
      Conference report
      Restricted access - confidentiality agreement
      This paper presents a methodology for leakage localization using FIR (Fuzzy Inductive Reasoning). A real water network situated in Barcelona has been subdivided in zones which could contain a leakage. Two sensors ...
    • Model calibration and leakage assessment applied to a real Water Distribution Network 

      Roma, Josep; Pérez Magrané, Ramon; Sanz Estapé, Gerard; Grau Torrent, Sergi (Elsevier, 2015)
      Conference report
      Open Access
      The use of water distribution network models depends highly on the confidence that the operators have on them. Models generated automatically from the Geographical Information System using the hydraulic equations integrated ...
    • Optimal placement of metering devices for multiple purposes 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard; Cugueró Escofet, Miquel Àngel; Cugueró Escofet, Josep (2014)
      Conference report
      Restricted access - publisher's policy
      Monitoring devices installed in a huge system like water distribution networks imply a high cost. This cost includes installation and maintenance. Thus, the placement of these devices must be optimal. The optimal sensor ...
    • Parameter estimation: definition and sampling design 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard (Springer, 2017)
      Part of book or chapter of book
      Restricted access - publisher's policy
      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 ...