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Ara es mostren els items 54-73 de 115

    • Methodology for leakage isolation using pressure sensitivity analysis in water distribution networks 

      Pérez Magrané, Ramon; Puig Cayuela, Vicenç; Pascual Pañach, Josep; Quevedo Casín, Joseba Jokin; Landeros, E.; Peralta, Antoni (2011-07)
      Article
      Accés restringit per política de l'editorial
      This letter proposes a phase-shifted pulse-width modulation (PS-PWM) technique for the flying capacitor (FC) multilevel converter that improves the quality of the line-to-line voltages. In traditional PS-PWM, the line-to-line ...

    • Methodology to detect and isolate water losses in water hydraulic networks: Application to Barcelona water network 

      Quevedo Casín, Joseba Jokin; Pérez Magrané, Ramon; Pascual, Josep; Puig Cayuela, Vicenç; Cembrano Gennari, Gabriela; Peralta, Antoni (IFAC, 2012)
      Text en actes de congrés
      Accés obert
      This paper presents a methodology to detect real water losses in urban water networks. The proposed method is based on the combined use of the DMA economical water balance confidence intervals for a period of time longer ...

    • 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)
      Text en actes de congrés
      Accés obert
      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 ...

    • Model calibration for leak localization, a real application 

      Sanz, Gerard; Meseguer Amela, Jordi; Pérez Magrané, Ramon (2017)
      Text en actes de congrés
      Accés obert
      The localization of leaks in Water Distribution Networks has a major relevance in terms of environmental and economic efficiency. This localization is generally carried on in situ by human operators using time consuming ...

    • Modelling and simulation of drinking-water networks 

      Pérez Magrané, Ramon; sanz estapé, gerard (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 ...

    • Modelling daily water consumption through potential curves. Disaggregating apparent and real losses 

      Grau Torrent, Sergi; Pérez Magrané, Ramon (Taylor & Francis, 2020-05-18)
      Article
      Accés obert
      This paper presents a model, based on potential curves, that describes the behaviour of the inverse of the daily cumulated frequency of the flows provided to a District Metered Area (DMA). The model has two terms, the first ...

    • Modelling enhanced groundwater denitrification in batch micrococosm tests 

      Calderer, M.; Jubany, Irene; Pérez Magrané, Ramon; Martí Gregorio, Vicenç; Pablo Ribas, Joan de (2010)
      Article
      Accés restringit per política de l'editorial
      In the last few years, enhanced in situ denitrification has gained a lot of interest as a reliable bioremediation option to remove nitrate from groundwater. However, denitrification modelling in the subsurface environment ...

    • Modelling uncertainty for leak localization in Water Networks 

      Blesa Izquierdo, Joaquim; Pérez Magrané, Ramon (2018)
      Text en actes de congrés
      Accés obert
      The performance and success of model-based leak localization methods applied to water distribution networks (WDN) highly depends on the uncertainty of the system considered. This work proposes an original method of modeling ...

    • Modelling uncertainty for leak localization in Water Networks 

      Blesa Izquierdo, Joaquim; Pérez Magrané, Ramon (2018-01-01)
      Article
      Accés obert
      The performance and success of model-based leak localization methods applied to water distribution networks (WDN) highly depends on the uncertainty of the system considered. This work proposes an original method of modeling ...

    • Optimal control of a water distribution network in a supervisory control system 

      Cembrano Gennari, Gabriela; Wells, G; Quevedo Casín, Joseba Jokin; Pérez Magrané, Ramon; Argelaguet Isanta, María Rosa (2000-05)
      Article
      Accés obert
      This paper deals with the use of optimal control techniques in water distribution networks. An optimal control tool, developed in the context of a European research project is described and the application to the city of ...

    • Optimal placement of metering devices for multiple purposes 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard; Cugueró Escofet, Miquel Àngel; Cugueró Escofet, Josep (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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)
      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 ...

    • Parameter estimation: online calibration 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (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 ...

    • Parameter uncertainty modelling in water distribution network models 

      Pérez Magrané, Ramon; Sanz Estapé, Gerard; Cugueró Escofet, Miquel Àngel; Blesa Izquierdo, Joaquim; Cugueró Escofet, Josep (Elsevier, 2015)
      Text en actes de congrés
      Accés obert
      The use of water distribution network (WDN) models is an extended practice [13]. Confidence on decisions taken upon such models depends highly on their accuracy [11]. The parameters uncertainty has to be defined in order ...

    • Parameterization and sampling design for water networks demand calibration using the SVD : application to a real network 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (2014)
      Text en actes de congrés
      Accés obert
      The availability of a good hydraulic model increases the reliability of the results of methodologies using it. Thus, the calibration of the model is a previous step that has to be done. The most uncertain parameters of the ...

    • PLIO: a generic tool for real-time operational predictive optimal control of water networks 

      Casas, M.; Rodríguez, P.; Barnet, P.; Cembrano Gennari, Gabriela; Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç; Pérez Magrané, Ramon; Figueras Jové, Jaume; Verdejo, M.; Escaler, I.; Ramón, G. (2011-07)
      Article
      Accés obert
      This paper presents a generic tool, named PLIO, that allows to implement the real-time operational control of water networks. Control strategies are generated using predictive optimal control techniques. This tool allows ...

    • Pressure control of a large scale water network using integral action 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon; Sánchez, R (2012)
      Text en actes de congrés
      Accés restringit per acord de confidencialitat
      This paper presents a study of the e ect of performing di erent control structures on a large scale water network. The aim is to keep network pressures stable and to their minimum in order to increase network efficiency ...

    • Programa EPANET: La simulación en el análisis del comportamiento hidráulico 

      Sanz Estapé, Gerard; Pérez Magrané, Ramon (Grupo Tecnipublicaciones, 2014-02)
      Article
      Accés restringit per política de l'editorial
      En el marco de una tesis doctoral, se ha desarrollado un software que incluye diversos módulos para la simulación, control y calibración de redes de distribución de agua. Este software tiene una finalidad docente con ...

    • Quadrotor path following and reactive obstacle avoidance with deep reinforcement learning 

      Rubí Perelló, Bartomeu; Morcego Seix, Bernardo; Pérez Magrané, Ramon (2021-11)
      Article
      Accés obert
      A deep reinforcement learning approach for solving the quadrotor path following and obstacle avoidance problem is proposed in this paper. The problem is solved with two agents: one for the path following task and another ...

    • Quality monitoring 

      Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Puig Cayuela, Vicenç (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 ...