Ara es mostren els items 10-29 de 39

    • 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)
      Text en actes de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...
    • Communication to: Close form for expressing the uncertainty in odometry position estimate. Application to an autonomous vehicle 

      Mirats Tur, Josep Maria; Albores Borja, Carlos; Gordillo, Jose Luís (IEEE, 2007)
      Article
      Accés obert
      The uncertainty of the odometry position estimate for a given vehicle can be obtained from the definition of the covariance matrix by using its kinematic model as well as its sensory system data. This communication item ...
    • Control and simulation of a tensegrity-based mobile robot 

      Graells Rovira, Albert; Mirats Tur, Josep Maria (2009)
      Article
      Accés restringit per política de l'editorial
      Tensegrity structures can provide a new approach to the construction of mobile robots with different shapes and properties that usual robots, wheeled or legged, do not have. Tensegrity are light, deformable structures ...
    • Convolutional neural network training with dynamic epoch ordering 

      Plana Rius, Ferran; Angulo Bahón, Cecilio; Casas, Marc; Mirats Tur, Josep Maria (IOS Press, 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The paper presented exposes a novel approach to feed data to a Convolutional Neural Network (CNN) while training. Normally, neural networks are fed with shuffled data without any control of what type of examples contains ...
    • Decentralized Sensor Fusion for Ubiquitous Networking Robotics in Urban Areas 

      Spaan, Matthijs T.J.; Sequeira, Joao; Ollero, A.; Moreno, Plinio; Mirats Tur, Josep Maria; Merino, Luis; Sanfeliu Cortés, Alberto; Andrade-Cetto, Juan; Barbosa, Marco; Bowden, Richard; Capitan, Jesus; Corominas Murtra, Andreu; Gilbert, Andrew; Illingworth, John (2010-03)
      Article
      Accés obert
      In this article we explain the architecture for the environment and sensors that has been built for the European project URUS (Ubiquitous Networking Robotics in Urban Sites), a project whose objective is to develop an ...
    • Dynamic equations of motion for a 3-bar tensegrity based mobile robot 

      Mirats Tur, Josep Maria; Hernández, Sergi; Graells, Albert (IEEE, 2007)
      Text en actes de congrés
      Accés obert
      Tensegrity structures can give a new approach to the construction of mobile robots with different shapes and properties that usual robots, wheeled or legged, do not have. Tensegrity are light, deformable structures that ...
    • Dynamic equations of motion for a 3-bar tensegrity based mobile robot 

      Mirats Tur, Josep Maria; Hernández Juan, Sergi; Graells Rovira, Albert (2007)
      Text en actes de congrés
      Accés obert
      Tensegrity structures can give a new approach to the construction of mobile robots with different shapes and properties that usual robots, wheeled or legged, do not have. Tensegrity are light, deformable structures that ...
    • Efficient active global localization for mobile robots operating in large and cooperative environments 

      Corominas Murtra, Andreu; Mirats Tur, Josep Maria; Sanfeliu Cortés, Alberto (2008)
      Text en actes de congrés
      Accés obert
      This paper presents a novel and efficient framework to the active map-based global localization problem for mobile robots operating in large and cooperative environments. The paper proposes a rational criteria to select ...
    • Efficient active global localization for mobile robots operating in large and cooperative environments 

      Corominas Murtra, Andreu; Mirats Tur, Josep Maria; Sanfeliu Cortés, Alberto (IEEE, 2008)
      Text en actes de congrés
      Accés obert
      This paper presents a novel and efficient framework to the active map-based global localization problem for mobile robots operating in large and cooperative environments. The paper proposes a rational criteria to select ...
    • Efficient use of 3d environment models for mobile robot simulation and localization 

      Corominas Murtra, Andreu; Trulls Fortuny, Eduard; Mirats Tur, Josep Maria; Sanfeliu Cortés, Alberto (Springer Verlag, 2010)
      Text en actes de congrés
      Accés obert
      This paper provides a detailed description of a set of algorithms to efficiently manipulate 3D geometric models to compute physical constraints and range observation models, data that is usually required in real-time mobile ...
    • GIS map based mobile robot navigation in urban environments 

      Mirats Tur, Josep Maria; Zinggerling, Claudio; Corominas Murtra, Andreu (___, 2009-06-30)
      Text en actes de congrés
      Accés obert
      Mobile robots need information about its spatial environment to solve any task in a robust, reliable and continuous form. This is usually encoded in a so-called map. We propose the use of a standard, human-readable existing ...
    • Guiding and regrouping people missions in urban areas using cooperative multi-robot task allocation 

      Garrell Zulueta, Anais; Sandoval Torres, Óscar; Mirats Tur, Josep Maria; Sanfeliu Cortés, Alberto (2010)
      Text en actes de congrés
      Accés obert
    • Integrating asynchronous observations for mobile robot position tracking in cooperative environments 

      Corominas Murtra, Andreu; Mirats Tur, Josep Maria; Sanfeliu Cortés, Alberto (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10-11)
      Text en actes de congrés
      Accés obert
      This paper presents an asynchronous particle filter algorithm for mobile robot position tracking, taking into account time considerations when integrating observations being delayed or advanced from the prior estiamate ...
    • Leak detection and localization using models: field results 

      Mirats Tur, Josep Maria; Jarrige, Pierre Antoine; Meseguer Amela, Jordi; Cembrano Gennari, Gabriela (2013)
      Text en actes de congrés
      Accés obert
      This paper presents the practical results obtained on the field from two different methods for identifying and locating leaks in water distribution systems using network modeling based algorithms. Both methods are based ...
    • 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 detection and localization method based on a hybrid inverse/direct modelling approach suitable for handling multiple-leak scenarios 

      Meseguer Amela, Jordi; Mirats Tur, Josep Maria; Cembrano Gennari, Gabriela; Puig Cayuela, Vicenç; Bonada Cruells, Eduard (2014)
      Text en actes de congrés
      Accés obert
      When an accurate hydraulic network model is available, direct modeling techniques are very straightforward and reliable for on-line leakage detection and localization applied to large class of water distribution networks. ...
    • 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)
      Text en actes de congrés
      Accés restringit per acord de confidencialitat
      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 ...
    • Map format for mobile robot map-based autonomous navigation 

      Corominas Murtra, Andreu; Mirats Tur, Josep Maria (2007)
      Report de recerca
      Accés obert
      This technical report defines the spatial representation and the map file format used in a mobile robot map-based autonomous navigation system designed to be deployed in urban areas. After a discussion about common ...
    • Model-based monitoring techniques for leakage localization in distribution water networks 

      Meseguer Amela, Jordi; Mirats Tur, Josep Maria; Cembrano Gennari, Gabriela; Puig Cayuela, Vicenç (2015)
      Text en actes de congrés
      Accés obert
      This paper describes an integrated model-based monitoring framework for leakage localization in district-metered areas (DMA) of water distribution networks, which takes advantage of the availability of a hydraulic model ...