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Ara es mostren els items 86-105 de 181

    • Knowledge extraction from raw data in water networks: application to the Barcelona supramunicipal water transport network 

      Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç; García Valverde, Diego; Pascual Pañach, Josep; Saludes Closa, Jordi; Espín, Santiago; Roquet, Jaume; Valero, Fernando (2015)
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      Critical Infrastructure Systems (CIS) such as the case of potable water transport network are complex large-scale systems, geographically distributed and decentralized with a hierarchical structure, requiring highly ...

    • La importancia y el alcance de los ciberataques sobre los sistemas de supervisión y control automático 

      Quevedo Casín, Joseba Jokin; Sánchez Corrales, Helem Sabina; Rotondo, Damiano; Puig Cayuela, Vicenç; Escobet Canal, Teresa (Grupo Tecnipublicaciones, 2020-01-16)
      Article
      Accés restringit per política de l'editorial
      El aumento de la conectividad de los sistemas de supervisión y de control automático de mediante el uso de Internet conlleva unos beneficios innegables pero a la vez abre la posibilidad a nuevos problemas (los ciberataques). ...

    • Leak detection and isolation in water distribution networks using principal components analysis and structured residuals 

      Gertler, Janos; Romera Formiguera, Juli; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
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      Leaks are present to some extent in all water-distribution systems. This paper proposes a leakage localization method based on pressure measurements and the application of principal component analysis to the fault diagnosis ...

    • Leak localisation methodology and real applications 

      Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç; Pérez Magrané, Ramon (UPC. Departament d'Enginyeria de Projectes i de la Construcció, 2017-06-26)
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      The leak localization community is very active and the Research Centre for Supervision, Safety and Automatic Control (CS2AC) is specially implicated in such an important issue. We have developed a methodology for leak ...

    • 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
      Accés restringit per política de l'editorial
      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 ...

    • 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)
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    • Leakage isolation using pressure sensitivity analysis in water distribution networks: Application to the Barcelona case study 

      Pérez Magrané, Ramon; Puig Cayuela, Vicenç; Pascual Pañach, Josep; Quevedo Casín, Joseba Jokin; Landeros, E.; Peralta, Antoni (2010)
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      Leaks are present to some extent in all water-distribution systems. This paper proposes a leakage localisation method based on the pressure measurements and pressure sensitivity analysis of nodes in a network. The ...

    • Leakage location in water distribution networks based on correlation measurement of pressure sensors 

      Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Pérez Magrané, Ramon; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Mirats Tur, Josep Maria (Internatinal Water Association (IWA), 2011)
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      Leaks are present to some extent in all water-distribution systems. This paper proposes a leakage localisation method based on the pressure measurements and pressure sensitivity analysis of nodes in a water distribution ...

    • Lexicographic optimisation for optimal departure aircraft trajectories 

      Prats Menéndez, Xavier; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Nejjari Akhi-Elarab, Fatiha (2010)
      Article
      Accés restringit per política de l'editorial

    • Low level control of an omnidirectional mobile robot 

      Comasòlivas Font, Ramon; Quevedo Casín, Joseba Jokin; Escobet Canal, Teresa; Escobet Canal, Antoni; Romera Formiguera, Juli (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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    • LPV Model-Based Fault Diagnosis Using Relative Fault Sensitivity Signature Approach in PEM Fuel Cell 

      Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Lira Ramírez, Salvador de (ESAII-CT, 2009)
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      In this paper, a model-based fault diagnosis methodology for PEM fuel cell systems is presented. The methodology is based on computing residuals using a LPV observer. Fault detection is based on using adaptive threshold ...

    • LPV model-based fault diagnosis using relative fault sensitivity signature approach in a PEM fuel cell 

      Lira Ramírez, Salvador de; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Husar, Attila Peter (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
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      In this paper, a model-based fault diagnosis methodology for PEM fuel cell systems is presented. The methodology is based on computing residuals using a LPV observer. Fault detection is based on using adaptive threshold ...

    • LPV Observer design for PEM fuel cell system: Application to fault detection 

      Lira Ramírez, Salvador de; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Husar, Attila Peter (2011-02-01)
      Article
      Accés restringit per política de l'editorial
      In this paper, the modelling of an energy generation system based on polymer electrolyte membrane fuel cell (PEMFC) system through a parameter varying approach (LPV model), that takes in to account model parameter variation ...

    • LPV-MP planning for autonomous racing vehicles considering obstacles 

      Alcalá Baselga, Eugenio; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (2020-02-01)
      Article
      Accés obert
      In this paper, we present an effective online planning solution for autonomous vehicles that aims at improving the computational load while preserving high levels of performance in racing scenarios. The method follows the ...

    • LPV-MPC control of autonomous vehicles 

      Alcalá Baselga, Eugenio; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (2019)
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      In this work, a novel approach is presented to solve the trajectory tracking problem for autonomous vehicles. This method is based on the use of a cascade control where the external loop solves the position control using ...

    • 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 of a data validation and reconstructions tool to improve the realiability of the water network supervision 

      Quevedo Casín, Joseba Jokin; Blanch i Font, Jordi; Puig Cayuela, Vicenç; Saludes Closa, Jordi; Espin, S.; Roquet, J. (2010)
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      The drinking water network of Aigües del Ter-Llobregat (ATLL) has applied a methodology to obtain a reliable data. The methodology is based on a first phase to validate the data with six levels and a second phase that ...

    • 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)
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      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 ...

    • Metodologia para validación y reconstrucción de datos y su aplicación en redes de agua potable 

      Quevedo Casín, Joseba Jokin; García Valverde, Diego; Puig Cayuela, Vicenç; Saludes Closa, Jordi (2011)
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      Este trabajo presenta una metodología para validar y reconstruir datos recibido en un sistema de supervisión y telecontrol de una red de sensores que puede tener problemas de comunicaciones y/o de envío de datos erróneos. ...

    • Metodología de análisis y reconstrucción de datos para caudalimetros 

      Espin, Santiago; Valero, Fernando; Roquet, Jaume; Quevedo Casín, Joseba Jokin (2019)
      Text en actes de congrés
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      ATLL opera una red de distribución incluida dentro de los Sistemas de Infraestructuras Críticas. Estos sistemas son complejos de gran escala, distribuidos geográficamente y descentralizados con una estructura jerárquica, ...