Enviaments recents

  • Performance assessment of ultrasonic waves for bubble control in LOX tanks 

    Suñol Galofre, Francesc Xavier; Ochoa Guerrero, Diego A.; Granados, Marta; García García, José Eduardo; González Cinca, Ricardo (2019)
    Comunicació de congrés
    Accés obert
  • Physics laboratory experiments at the Barcelona Faculty of Nautical Studies 

    Isalgué Buxeda, Antonio; Ochoa Guerrero, Diego A. (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
    Comunicació de congrés
    Accés obert
  • Delay effects on the limit cycling behavior in an H-bridge resonant inverter with zero current switching control strategy 

    Benadero García-Morato, Luis; Torres Peral, Francisco; El Aroudi, Abdelali; Olalla Martinez, Carlos; Ponce Núñez, Enrique; Martínez Salamero, Luis (2018)
    Text en actes de congrés
    Accés obert
    In this paper, bifurcations of limit cycles in a H-bridge LC resonant inverter under a zero current switching control strategy with delay in the switching action are analyzed. Mathematical analysis and numerical simulations ...
  • Sliding bifurcations in resonant inverters 

    El Aroudi, Abdelali; Ponce Núñez, Enrique; Benadero García-Morato, Luis; Martínez Salamero, Luis (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this paper, the switching dynamics of a dc-ac resonant self-oscillating inverter is considered. Using bifurcation analysis coexisting steady-state solutions are predicted, which are increasingly ...
  • Analysis of nonlinear and non-smooth dynamics of a self-oscillating series resonant inverter 

    Benadero García-Morato, Luis; Ponce Núñez, Enrique; El Aroudi, Abdelali (2017)
    Text en actes de congrés
    Accés obert
    In this paper, the dynamics of a dc-ac resonant self-oscillating LC series inverter is analyzed from the point of view of piecewise smooth dynamical systems. Our system is defined by two symmetric configurations and its ...
  • Efeito do dopante Ba sobre as propriedades estruturais e microestruturais de ceramicas Bi0.5Na0.5TiO3 

    Santos, Valdeci Bosco dos; Cerdeiras Montero, Elena; Mestres Vila, Lourdes; Machado, Rodrigo; Ochoa Guerrero, Diego A.; García García, José Eduardo (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Recently, Bi0,5Na0,5TiO3 (BNT) based ceramics has been widely studied as one promising material lead-free for piezoelectric applications. The Ba addition in BNT ((Bi0,5Na0,5)1-xBaxTiO3 - BNT-xBT) has attracted considerable ...
  • Stable p-doping in graphene and Terahertz spectroscopy 

    Ferrer Anglada, Núria; Gabriel Cortés, Daniel; Iqbal, M. Zahir; Eom, J. (2014)
    Text en actes de congrés
    Accés obert
  • Stability analysis of periodic orbits in a class of duffing-like piecewise linear vibrators 

    El Aroudi, Abdelali; Benadero García-Morato, Luis; Ouakad, Hassen; Younis, Mohammad (EDP Sciences, 2014)
    Comunicació de congrés
    Accés obert
    In this paper, we study the dynamical behavior of a Duffing-like piecewise linear (PWL) springmass-damper system for vibration-based energy harvesting applications. First, we present a continuous time single degree of ...
  • Preparation of top seeded YBa2Cu3O7 large single-domain tiles 

    Yu, R; Gomis Arbonès, Vicente; Piñol Vidal, Salvador; Sandiumenge, Felip; Mora Serrano, Javier; Carrera, Miquel; Fontcuberta, Josep; Obradors Berenguer, Xavier (1997)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    Single domain superconductors with diameters up to 40 mm have been prepared by top seeding growth using Nd123 melt textured ceramics as seeds. We show that the use of these seeds is preferred over MgO single crystals to ...
  • Fabrication of melt-textured cylinders and bars of (YBa2Cu3O7-Y2BaCuO5) superconductors 

    Piñol Vidal, Salvador; Yu, R; Vilalta, Nuria; Sandiumenge, Felip; Gomis Arbonès, Vicente; Martínez, Benjamín; Mora Serrano, Javier; Fontcuberta, Josep; Obradors Berenguer, Xavier (1996)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    Cylinders and bars of bulk YBa2CuO7-Y2BaCuO5 textured ceramic composites (123-211) have been prepared through different directional solidification processes. Green ceramic preforms for the directional solidification process ...
  • Sliding mode control of interconnected power electronic converters in DC microgrids 

    Stramosk, Vinicius; Benadero García-Morato, Luis; Pagano, Daniel J.; Ponce, Enrique (2013)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In this work, a typical structure of cascaded converters present in DC microgrids is analyzed. From the control point of view, converters acting as loads add a nonlinear effect to the supply bus, caused by its constant ...
  • Impedance characterization of transparent and flexible carbon nanotubes thin film networks 

    Iqbal, Muhammad Zahir; Eom, J.; Pérez Puigdemont, Jordi; Ferrer Anglada, Núria (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial

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