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Prof. Ahmed G. Radwan

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    • Fractional-Order
    • Memristor
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1-D digitally-controlled multiscroll chaos generator

2007Elwakil A.S.JournalRadwan A.Soliman A.M.

A digitally-controlled MOS-transistor-based 1-D multiscroll chaos generator is proposed

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Capacitive behavior and stored energy in supercapacitors at power line frequencies

2018Allagui A.Elwakil A.S.Fouda M.E.JournalRadwan A.G.

Supercapacitors are commonly viewed and mainly employed as dc electrical energy storage devices

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Power and energy analysis of fractional-order electrical energy storage devices

2016Allagui A.Elwakil A.S.Fouda M.E.JournalRadwan A.G.

Characterizing and modeling electrical energy storage devices is essential for their proper integration in larger systems

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RF MEMS fractal capacitors with high self-resonant frequencies

2012Elshurafa A.M.Emira A.JournalRadwan A.G.Salama K.N.

This letter demonstrates RF microelectromechanical systems (MEMS) fractal capacitors possessing the highest reported self-resonant frequencies (SRFs) in PolyMUMPS to date

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Fractional calculus definitions, approximations, and engineering applications

2020Abdelaty A.M.Elwy O.JournalRadwan A.G.Said L.A.

The basic idea behind fractional calculus is that it considers derivatives and integrals of non-integer orders giving extra degrees of freedom and tuning knobs for modeling complex and memory dependent systems with compact descriptions

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On The Optimization of Fractional Order Low-Pass Filters

2016Abu El-Yazeed M.F.Ismail S.M.JournalMadian A.H.Radwan A.G.Said L.A.Soliman A.M.

This paper presents three different optimization cases for normalized fractional order low-pass filters (LPFs) with numerical, circuit and experimental results

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Modeling and analysis of fractional order DC-DC converter

2018Abdelaty A.M.Azar A.T.Emira A.A.JournalRadwan A.G.

Due to the non-idealities of commercial inductors, the demand for a better model that accurately describe their dynamic response is elevated

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Center pulse width modulation implementation based on memristor

2019Elsafty A.H.Hassanein A.M.JournalMadian A.H.Radwan A.G.Said L.A.

This paper introduces two new versions for memristor-based center pulse-width modulator (PWM) circuits

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Effect of Different Approximation Techniques on Fractional-Order KHN Filter Design

2018Abdelaty A.M.Hamed E.M.JournalRadwan A.G.Said L.A.

Having an approximate realization of the fractance device is an essential part of fractional-order filter design and implementation

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MOS realization of the modified Lorenz chaotic system

2004El-Sedeek A.JournalRadwan A.G.Soliman A.M.

A new chaotic oscillator circuit that realizes three attractors, the modified Lorenz system, Lorenz attractor “Butterfly attractor” and unsymmetrical modified Lorenz system [IEEE Trans

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RECENT PUBLICATIONS
  • Valorization of Agricultural and Marine Waste for Fabrication of Bio-Adsorbent Sheets
  • MPPT for a Partially Shaded PV System Using Accelerated Particle Swarms
  • On Fractional-order Capacitive Wireless Power Transfer System
  • Time-domain Li-ion Battery Modeling under Staircase Charging and Discharging
  • Progressive Multi-Secret Sharing of Color Images Using Lorenz Chaotic System
RESEARCH TOPICS

Bio-impedance for Food Quality Biomedical and Robotic Engineering Biomedical Engineering Chaotic & Coding Systems with Applications Chaotic Systems and Applications Design and Applications of Mem-elements Fractional-order systems Modeling and Applications of New Electrical Elements and Recent Technology Modeling of Supercapacitors and Energy Storage Elements Wastewater Treatments

AHMED RADWAN

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  • NU Main Campus: 26 July Corridor, Sheikh Zayed City
  • agradwan@nu.edu.eg
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