Now showing items 1-20 of 24

    • Analysis of bifurcation behavior of a piecewise linear vibrator with electromagnetic coupling for energy harvesting applications 

      El Aroudi, Abdelali; Ouakad, Hassen; Benadero García-Morato, Luis; Younis, Mohammad (2014-05)
      Article
      Open Access
      Recently, nonlinearities have been shown to play an important role in increasing the extracted energy of vibration-based energy harvesting systems. In this paper, we study the dynamical behavior of a piecewise linear (PWL) ...
    • 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)
      Conference report
      Open Access
      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 ...
    • Bifurcation analysis in a self-oscillating series resonant converter 

      Ponce, Enrique; Benadero García-Morato, Luis; El Aroudi, Abdelali (De Gruyter Open Sp. z o.o., 2020-02-10)
      Part of book or chapter of book
      Restricted access - publisher's policy
      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. The system under study is defined by two symmetric configurations ...
    • Bifurcation analysis of a DC–DC bidirectional power converter operating with constant power loads 

      Cristiano, Rony; Pagano, Daniel J.; Benadero García-Morato, Luis; Ponce, Enrique (2016-04)
      Article
      Open Access
      Direct current (DC) microgrids (MGs) are an emergent option to satisfy new demands for power quality and integration of renewable resources in electrical distribution systems. This work addresses the large-signal stability ...
    • Bifurcation patterns in homogeneous area-preserving piecewise-linear maps 

      Benadero García-Morato, Luis; Freire Macías, Emilio; Ponce Núñez, Enrique; Torres Peral, Francisco (2018-11-26)
      Article
      Open Access
      The dynamical behavior of a family of planar continuous piecewise linear maps with two zones is analyzed. Assuming homogeneity and preservation of areas we obtain a canonical form with only two parameters: the traces of ...
    • 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)
      Conference report
      Open Access
      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 ...
    • Delay effects on the limit cycling behavior in resonant inverters with state feedback 

      Benadero García-Morato, Luis; El Aroudi, Abdelali; Ponce, Enrique (2019-10-01)
      Article
      Restricted access - publisher's policy
      Bifurcations of limit cycles in an H-bridge LC resonant inverter are reexamined taking into account a time delay in the switching transition. The analysis is accomplished by means of a model of the inverter that compresses, ...
    • Dynamic analysis of self-oscillating H-bridge inverters with state feedback 

      Benadero García-Morato, Luis; Torres Peral, Francisco; Ponce Núñez, Enrique; El Aroudi, Abdelali (2020-01)
      Article
      Open Access
      This paper presents a comprehensive approach to analyze the dynamics of a generalized model of resonant inverters using nonsmooth dynamical system theory. The model simultaneously covers both parallel and series resonant ...
    • Dynamical analysis of an interleaved single inductor TITO switching regulator 

      El Aroudi, Abdelali; Moreno Font, Vanessa; Benadero García-Morato, Luis (2009-06)
      Article
      Open Access
      We study the dynamical behavior of a single inductor two inputs two outputs (SITITO) power electronics DC-DC converter under a current mode control in a PWM interleaved scheme. This system is able to regulate two, generally ...
    • Dynamics and stability issues of a single-inductor dual-switching DC-DC converter 

      Moreno Font, Vanessa; El Aroudi, Abdelali; Calvente, Javier; Giral, Roberto; Benadero García-Morato, Luis (2010-02-08)
      Article
      Open Access
      A single-inductor two-input two-output power electronic dc–dc converter can be used to regulate two generally nonsymmetric positive and negative outputs by means of a pulsewidth modulation with a double voltage feedback. ...
    • Laboratori d'Electrònica i de Física 

      Prat Viñas, Lluís; Benadero García-Morato, Luis; Orpella García, Alberto; Turó Peroy, Antonio; Voz Sánchez, Cristóbal (Universitat Politècnica de Catalunya, 2009)
      Practice
      Open Access
    • Laboratori d'electrònica i física 

      Prat Viñas, Lluís; Benadero García-Morato, Luis; Orpella García, Alberto; Turó Peroy, Antonio; Voz Sánchez, Cristóbal (Universitat Politècnica de Catalunya, 2009)
      Lecture notes
      Open Access
    • Limit cycle bifurcations in resonant LC power inverters under zero current switching strategy 

      Benadero García-Morato, Luis; Ponce, Enrique; El Aroudi, Abdelali; Torres Peral, Francisco (2018-01)
      Article
      Open Access
      The dynamics of a DC-AC self-oscillating LC resonant inverter with a zero current switching strategy is considered in this paper. A model that includes both the series and the parallel topologies and accounts for parasitic ...
    • 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
      Restricted access - publisher's policy
      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 ...
    • Nonlinear analysis of interconnected power converters: a case study 

      Benadero García-Morato, Luis; Cristiano, Rony; Pagano, Daniel J.; Ponce, Enrique (2015-09-01)
      Article
      Open Access
      In this paper the nonlinear dynamics of interconnected power converters in an islanded direct current (DC) microgrid is analyzed. By using a simplified scheme based on two cascaded converters we analyze the dynamical ...
    • 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
      Open Access
      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 ...
    • 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)
      Conference report
      Open Access
      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 ...
    • Single inductor multiple outputs interleaved converters operating in CCM 

      Benadero García-Morato, Luis; Moreno Font, Vanessa; Aroudi, A El; Giral, R. (IEEE, 2008)
      Conference lecture
      Restricted access - publisher's policy
      Feasibility of single inductor multiple outputs (SIMO) DC-DC converters, able to operate in continuous-conduction mode (CCM), is shown in this paper. The power stage combines simple structures based on boost for non-inverted ...
    • Sliding bifurcations in resonant inverters 

      El Aroudi, Abdelali; Ponce Núñez, Enrique; Benadero García-Morato, Luis; Martínez Salamero, Luis (2017)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • Sliding mode control of interconnected power electronic converters in DC microgrids 

      Stramosk, Vinicius; Benadero García-Morato, Luis; Pagano, Daniel J.; Ponce, Enrique (2013)
      Conference lecture
      Restricted access - publisher's policy
      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 ...