Contribuir a l'avenç del coneixement científic, a la formació de personal especialitzat i a la transferència de tecnologia, en els camps de la modelització i el control de sistemes complexos, i la seva aplicació a problemes relacionats amb la generació, el condicionament, la gestió i l'emmagatzematge d'energia elèctrica.

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Enviaments recents

  • Observation of the electrochemically active surface area in a proton exchange membrane fuel cell 

    Luna Pacho, Julio Alberto; Usai, Elio; Husar, Attila Peter; Serra, Maria (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    In this paper a methodology for the estimation of the Electrochemically active Surface Area (ECSA) of a Proton Exchange Membrane Fuel Cell (PEMFC) is developed. Specifically, the ECSA in the Cathode Catalyst Layer (CCL) ...
  • Tachyons in the Galilean limit 

    Batlle Arnau, Carles; Gomis Torné, Joaquin; Mezincescu, Luca; Townsend, Paul K. (2017-04-20)
    Article
    Accés obert
    The Souriau massless Galilean particle of “colour” k and spin s is shown to be the Galilean limit of the Souriau tachyon of mass m = ik and spin s. We compare and contrast this result with the Galilean limit of the Nambu-Goto ...
  • Nonlinear predictive control for durability enhancement and efficiency improvement in a fuel cell power system 

    Luna Pacho, Julio Alberto; Jemei, Samir; Yousfi-Steiner, Nadia; Husar, Attila Peter; Serra, Maria; Hissel, Daniel (2016)
    Article
    Accés obert
    In this work, a nonlinear model predictive control (NMPC) strategy is proposed to improve the efficiency and enhance the durability of a proton exchange membrane fuel cell (PEMFC) power system. The PEMFC controller is based ...
  • Extended Galilean symmetries of non-relativistic strings 

    Batlle Arnau, Carles; Gomis Torné, Joaquin; Not, Daniel (2017-02-09)
    Article
    Accés obert
    We consider two non-relativistic strings and their Galilean symmetries. These strings are obtained as the two possible non-relativistic (NR) limits of a relativistic string. One of them is non-vibrating and represents a ...
  • Nonlinear model predictive control methodology for efficiency and durability improvement in a fuel cell power system 

    Luna Pacho, Julio Alberto; Jemei, Samir; Yousfi-Steiner, Nadia; Husar, Attila Peter; Serra, Maria (2016)
    Text en actes de congrés
    Accés obert
    The main contribution of this work is the improvement of the efficiency of a PEMFC power system while guaranteeing conditions that also improve its durability. Adopting the NMPC scheme with the distributed parameter model ...
  • Rejection of periodic disturbances using MRAC with minimal controller synthesis 

    Larco Barros, Ciro Mauricio; Olm Miras, Josep Maria; Costa Castelló, Ramon (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The tracking/rejection of periodic disturbances in linear systems is achievable via internal model principle-based techniques, such as repetitive control. However, when the frequency of the signal to track/reject is uncertain ...
  • Integral MRAC with Minimal Controller Synthesis and bounded adaptive gains: The continuous-time case 

    Montanaro, Umberto; Olm Miras, Josep Maria (2016-12-01)
    Article
    Accés restringit per política de l'editorial
    Model reference adaptive controllers designed via the Minimal Control Synthesis (MCS) approach are a viable solution to control plants affected by parameter uncertainty, unmodelled dynamics, and disturbances. Despite its ...
  • Passivity-based control of active and reactive power in single-phase PV inverters 

    Biel Solé, Domingo; Scherpen, Jacquelien (Université Catholique de Louvain, 2017)
    Text en actes de congrés
    Accés obert
    This work presents the control design guidelines of a passivity-based control of the active and the reactive power in single-phase PV inverters. The control ensures global asymptotic convergence of the tracking error to ...
  • A unified approach to explain contrary effects of hysteresis and smoothing in nonsmooth systems 

    Bonet Revés, Carles; Martínez-Seara Alonso, M. Teresa; Fossas Colet, Enric; Jeffrey, Mike R. (2017-09-01)
    Article
    Accés restringit per política de l'editorial
    Piecewise smooth dynamical systems make use of discontinuities to model switching between regions of smooth evolution. This introduces an ambiguity in prescribing dynamics at the discontinuity: should the dynamics be given ...
  • Nonlinear observation in fuel cell systems: a comparison between disturbance estimation and High-Order Sliding-Mode techniques 

    Luna Pacho, Julio Alberto; Usai, Elio; Husar, Attila Peter; Serra, Maria (2016-11-16)
    Article
    Accés obert
    This paper compares two Nonlinear Distributed Parameter Observers (NDPO) for the observation of a Proton Exchange Membrane Fuel Cell (PEMFC). Both NDPOs are based on the discretisation of distributed parameters models and ...

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