Now showing items 1-20 of 27

  • 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
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Model calibration and leakage assessment applied to a real Water Distribution Network 

    Roma, Josep; Pérez Magrané, Ramon; Sanz Estapé, Gerard; Grau, 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 ...