Recent Submissions

  • Subharmonic excitation in amplitude modulation atomic force microscopy in the presence of adsorbed water layers 

    Santos Hernández, Sergio; Barcons Xixons, Víctor; Verdaguer, Albert; Chiesa, Matteo (American Institute of Physics (AIP), 2011-12-02)
    Article
    Open Access
    In ambient conditions, nanometric water layers form on hydrophilicsurfaces covering them and significantly changing their properties and characteristics. Here we report the excitation of subharmonics in amplitude modulation ...
  • Superregenerative reception of narrowband FSK modulations 

    Palà Schönwälder, Pere; Bonet Dalmau, Jordi; López Riera, Alexis; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2015-03-01)
    Article
    Open Access
    In this paper we investigate the possibilities of narrowband FSK detection using a superregenerative (SR) receiver. Previous SR FM demodulation techniques rely on detecting the amplitude variations caused by the different ...
  • Asignaturas de Electrònica en la EPSEM: planificación de la impartición en inglés 

    Alsina Aubach, Montserrat; Argelaguet Isanta, María Rosa; Vicente Rodrigo, Jesús; Martínez Teixidor, Inmaculada (2014)
    Conference report
    Open Access
    Al objeto de garantizar la calidad del aprendizaje de la Electrónica en los estudios de Grado impartidos en la EPSEM, es necesario planificar de manera adecuada las asignaturas impartidas en inglés. En este trabajo se ...
  • PEM fuel cell fault diagnosis via a hybrid methodology based on fuzzy and pattern recognition techniques 

    Escobet Canal, Antoni; Nebot Castells, M. Àngela; Múgica Álvarez, Francisco (2014-08)
    Article
    Open Access
    In this work, a fault diagnosis methodology termed VisualBlock-Fuzzy Inductive Reasoning, i.e. VisualBlock-FIR, based on fuzzy and pattern recognition approaches is presented and applied to PEM fuel cell power systems. The ...
  • A methodology for incipient fault detection 

    Escobet Canal, Teresa; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; García Valverde, Diego (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    This paper proposes a fault detection methodology for incipient faults that combines different residual generation methods (observers and l-step ahead predictors) with different convergence velocity to the real output ...
  • 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
    Open Access
    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 ...
  • Fault detection and isolation in critical infrastructure systems 

    Puig Cayuela, Vicenç; Escobet Canal, Teresa; Sarrate Estruch, Ramon; Quevedo Casín, Joseba Jokin (2014)
    Conference report
    Open Access
    Critical infrastructure systems (CIS) are complex large-scale systems which in turn require highly sophisticated supervisory control systems to ensure that high performance can be achieved and maintained under adverse ...
  • Decomposition of geometric constraint graphs based on computing fundamental circuits. Correctness and complexity 

    Joan Arinyo, Robert; Tarres Puertas, Marta Isabel; Vila Marta, Sebastià (2014-07-01)
    Article
    Restricted access - publisher's policy
    In geometric constraint solving, Decomposition Recombination solvers (DR-solvers) refer to a general solving approach where the problem is divided into a set of sub-problems, each sub-problem is recursively divided until ...
  • Forward backward asymmetries of lepton pairs in events with a large transverse momentum jet at hadron colliders 

    Águila López, Francisco del; Ametller Congost, Lluís; Talavera Sánchez, Pedro (2002-10)
    Article
    Open Access
    We discuss forward-backward charge asymmetries for lepton-pair production in association with a large-transverse-momentum jet at hadron colliders. The lepton charge asymmetry relative to the jet direction AjFB gives a new ...
  • A low in-band radiation superregenerative oscillator 

    Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2013-05-27)
    Article
    Open Access
    This brief describes a superregenerative (SR) voltage-controlled oscillator as a building block for SR receivers where most of the oscillator spectrum components are outside the reception frequency band. This allows ...

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