Ara es mostren els items 21-32 de 32

    • Modeling and bifurcation behavior of multi-phase SIMIMO DC-DC switching regulators 

      Moreno Font, Vanessa; El Aroudi, Abdelali; Benadero García-Morato, Luis (2010-11)
      Article
      Accés restringit per política de l'editorial
      In this paper, different discrete-time models in the form of maps are proposed and analyzed in order to describe the dynamics of single inductor multiple-input multiple-output (SIMIMO) switching DC–DC converters. These ...
    • Modeling of switching frequency instabilities in buck-based DC-AC H-bridge inverters 

      El Aroudi, Abdelali; Rodríguez Vilamitjana, Enric; Orabi, Mohamed; Alarcón Cot, Eduardo José (2011-02)
      Article
      Accés restringit per política de l'editorial
      In this paper, the dynamical behavior of a full bridge DC–AC buck inverter controlled by fixed frequency and PWM is studied. After showing that the system can undergo both period-doubling and Neimark–Sacker bifurcation at ...
    • Nonlinear dynamic modeling and analysis of self-oscillating H-bridge parallel resonant converter under zero current switching control: unveiling coexistence of attractors 

      El Aroudi, Abdelali; Benadero García-Morato, Luis; Ponce, Enrique; Olalla Martinez, Carlos; Torres Peral, Francisco; Martínez Salamero, Luis (2018-12-14)
      Article
      Accés obert
      This paper deals with the global dynamical analysis of an H-bridge parallel resonant converter under a zero current switching control. Due to the discontinuity of the vector field in this system, sliding dynamics may take ...
    • Nonlinear dynamics and bifurcation behavior of a 2-DOF spring resonator with end stopper for energy harvesting 

      El Aroudi, Abdelali; Blokhina, Elena; O'Connell, D.; Fu, B.; Frizzell, R.; Feely, Orla; Alarcón Cot, Eduardo José (EDP Sciences, 2014)
      Text en actes de congrés
      Accés obert
      In this paper, the model of a two-degree-of-freedom (2-DOF) spring resonator with end stopper for an energy harvesting application is presented. Then we characterize its nonlinear dynamical behavior by numerical simulations ...
    • Nonlinear dynamics in a graphene nanostructured device for energy harvesting 

      El Aroudi, Abdelali; Lopez Suarez, Miquel; Alarcón Gallo, Eduardo; Rurali, Riccardo; Abadal, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Nonlinearities have been shown to play an important role in increasing the extracted energy of energy harvesting devices at the macro and micro scales. Vibration-based energy harvesting on the nano scale has also received ...
    • Nonlinear dynamics of an ambient noise driven array of coupled graphene nanostructured devices for energy harvesting 

      El Aroudi, Abdelali; Lopez Suarez, Miquel; Alarcón Cot, Eduardo José; Rurali, Riccardo; Abadal, Gabriel (EDP Sciences, 2014)
      Text en actes de congrés
      Accés obert
      Nonlinearities have been shown to play an important role in increasing the extracted energy of energy harvesting devices at the macro and micro scales. Vibration-based energy harvesting on the nano scale has also received ...
    • Nonsmooth pitchfork bifurcation in a dc-dc converter: coexisting attractors and intermittency 

      El Aroudi, Abdelali; Moreno Font, Vanessa; Benadero García-Morato, Luis (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Text en actes de congrés
      Accés obert
      In this paper we deal with the analysis of nonlinear dynamical behavior of a single inductor two inputs two outputs (SITITO) power electronics DC-DC converter. The system can be used to regulate generally two outputs (one ...
    • 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 ...
    • 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 ...
    • Suppression of undesired attractors in a self-oscillating H-bridge parallel resonant converters under zero current switching control 

      El Aroudi, Abdelali; Benadero García-Morato, Luis; Ponce, Enrique; Olalla Martinez, Carlos; Torres Peral, Francisco; Martínez Salamero, Luis (2018-11-08)
      Article
      Accés obert
      Resonant converters under zero current switching control strategy can exhibit coexistence of attractors, making it difficult the startup of the system from zero initial conditions. In this paper, the problem of multiple ...
    • Topologies and control of a class of single inductor multiple-output converters operating in continuous conduction mode 

      Benadero García-Morato, Luis; Moreno Font, Vanessa; Giral, R.; El Aroudi, Abdelali (2011-08)
      Article
      Accés restringit per política de l'editorial
      In this paper, continuous conduction mode (CCM) operation of a class of single inductor multiple output dc-dc converters is proposed. The power stage combines boost and buck-boost structures loading non-inverted and inverted ...
    • Unveiling nonlinear dynamics in resonant inductively coupled wireless power transfer 

      Bou Balust, Elisenda; El Aroudi, Abdelali; Fisher, Peter; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Coupled magnetic resonance is considered to be a key enabling technology for mid-range wireless power transfer. Models and systems have hitherto considered linear resonators as underlying dynamics, thereby limiting practical ...