Exploració per autor "El Aroudi, Abdelali"
Ara es mostren els items 1-20 de 32
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A design-oriented combined approach for bifurcation prediction in switched-mode power converters
El Aroudi, Abdelali; Rodríguez Vilamitjana, Enric; Leyva Grasa, Ramon; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2010-03)
Article
Accés restringit per política de l'editorialIn this brief, two different approaches are combined for studying the stability of a buck switching power dc-dc converter and for predicting its bifurcations. Instability indexes derived from both approaches are combined ... -
A frequency domain approach for controlling chaos in switching converters
Rodríguez Vilamitjana, Enric; Alarcón Cot, Eduardo José; Iu, H. H. C.; El Aroudi, Abdelali (2010)
Text en actes de congrés
Accés obertThe purpose of this paper is the synthesis from the frequency domain standpoint of a controller for switching power converters with the aim to eliminate bifurcation and chaotic behavior. Firstly the paper analyzes the ... -
A nonlinear time-varying map of a buck power-switching amplifier for wide band tracking applications
El Aroudi, Abdelali; Alarcón Cot, Eduardo José; Rodríguez Vilamitjana, Enric; Leyva Grasa, Ramon (Emerald, 2010)
Article
Accés restringit per política de l'editorialPurpose The purpose of this paper is to characterize the nonlinear dynamical behaviour of a buck-based power-switching amplifier controlled by fixed frequency and pulse width modulation with a proportional-integral ... -
A ripple-based design-oriented approach for predicting fast-scale instability in DC–DC switching power supplies
Rodríguez Vilamitjana, Enric; El Aroudi, Abdelali; Guinjoan Gispert, Francisco; Alarcón Cot, Eduardo José (2011-12)
Article
Accés restringit per política de l'editorialThis paper presents a design-oriented analytical approach for predicting fast-scale instability in power electronics converters under voltage-mode control strategy. This approach is based on the use of the ripple amplitude ... -
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
Accés obertRecently, 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)
Text en actes de congrés
Accés obertIn 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)
Capítol de llibre
Accés restringit per política de l'editorialIn 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 phenomena in open-loop DCM-operated DC–DC switching converters feeding constant power loads
El Aroudi, Abdelali; Benadero García-Morato, Luis; Harum, Reham; Martínez-Salamero, Luis; Tse, Chi K (2023-02-19)
Article
Accés obertConstant power loading is an effect that appears in multiple-stage energy conversion systems with individually regulated switching power converters. In a two-stage system, an upstream or source converter drives one or more ... -
Chaos controller for switching regulators aiming enhanced design-space towards miniaturization
Rodríguez Rodríguez, Enric; El Aroudi, Abdelali; Martínez García, Herminio; Poveda López, Alberto; Alarcón Cot, Eduardo José (Institute of Electronics, Information and Communications Engineers (IEICE), 2014-03-17)
Article
Accés obertThis paper tackles the control of fast-scale instabilities in a buck switching power converter aiming to expand its design-space towards miniaturization. After briefly revisiting the working principle of existing chaos ... -
Chaos controller for switching regulators aiming enhanced design-space towards miniaturization
Rodríguez Rodríguez, Enric; El Aroudi, Abdelali; Martínez García, Herminio; Poveda López, Alberto; Iu, H.; Alarcón Cot, Eduardo José (2012)
Text en actes de congrés
Accés obertThis paper tackles the control of fast-scale instabilities in a buck switching power converter aiming to expand its design-space towards miniaturization. After briefly revisiting the working principle of existing chaos ... -
Chaotic behaviour in on-chip automatic tuning loops for continuous-time filters
Martínez García, Herminio; El Aroudi, Abdelali; Alarcón Cot, Eduardo José; Poveda López, Alberto (Universidad Politécnica de Madrid (UPM), 2013)
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 obertIn 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
Accés restringit per política de l'editorialBifurcations 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, ... -
Demonstration of ripple-based index for predicting fast-scale instability in switching power converters
Rodríguez Vilamitjana, Enric; Alarcón Cot, Eduardo José; El Aroudi, Abdelali (2009-05)
Text en actes de congrés
Accés obertIn this paper a simplified model based on the exact discrete-time map of a buck switching power converter with proportional control, which captures all its dynamics, allows deriving a closed-form stability condition for ... -
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
Accés obertThis 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
Accés obertWe 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
Accés obertA 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. ... -
In-depth analysis of smooth and nonsmooth bifurcations for an open-loop boost converter feeding constant power loads in discontinuous conduction mode
Benadero García-Morato, Luis; El Aroudi, Abdelali; Martínez-Salamero, Luis; Tse, Chi K (2023-03-30)
Article
Accés restringit per política de l'editorialThis paper presents a study of the existence conditions of limit cycles and mechanisms when losing their stability in an open-loop DC–DC boost converter loaded with a constant power load and operating in discontinuous ... -
Instabilities in digitally controlled voltage-mode synchronous buck converter
Dongsheng, Yu; Herbert, H. C. Iu; Hao, Chen; Rodriguez, E.; Alarcón Cot, Eduardo José; El Aroudi, Abdelali (2012)
Article
Accés restringit per política de l'editorialIn this paper, instabilities and bifurcation behavior in a DC–DC digitally controlled voltagemode synchronous buck converter (SBC) are studied. The bifurcation diagram of the system under a proportional-integral (PI) ... -
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
Accés obertThe 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 ...