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Prof. Ahmed G. Radwan

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Software and Hardware Implementation Sensitivity of Chaotic Systems and Impact on Encryption Applications

2020El-Sedeek A.L.Fahmy H.A.H.JournalRadwan A.G.Sayed W.S.

This paper discusses the implementation sensitivity of chaotic systems added to their widely discussed sensitivities to initial conditions and parameter variation

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Fractional X-shape controllable multi-scroll attractor with parameter effect and FPGA automatic design tool software

2019JournalMadian A.H.Radwan A.G.Said L.A.Soliman N.S.Tolba M.F.

This paper proposes a new fractional-order multi-scrolls chaotic system

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FPGA implementation of two fractional order chaotic systems

2017Abdelaty A.M.Azar A.T.JournalMadian A.H.Radwan A.G.Said L.A.Soliman N.S.Tolba M.F.

This paper discusses the FPGA implementation of the fractional-order derivative as well as two fractional-order chaotic systems where one of them has controllable multi-scroll attractors

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Enhanced hardware implementation of a mixed-order nonlinear chaotic system and speech encryption application

2020Elsafty A.H.JournalMadian A.H.Radwan A.G.Said L.A.Tolba M.F.

This paper introduces a study for the effect of using different floating-point representations on the chaotic system’s behaviour

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Nonlinear charge-voltage relationship in constant phase element

2020Allagui A.Das S.Elwakil A.S.Fouda M.E.JournalPsychalinos C.Radwan A.G.

The constant phase element (CPE) or fractional-order capacitor is an electrical device that has an impedance of the form Z(s)=1/C?s?, where C? is the CPE parameter and ? is a fractional dispersion coefficient of values between 0 and 1

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On the Analysis and Design of Fractional-Order Chebyshev Complex Filter

2018Abdelaty A.M.Ahmed W.A.JournalRadwan A.G.Soltan A.

This paper introduces the concept of fractional-order complex Chebyshev filter

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FPGA implementation of a chaotic oscillator with odd/even symmetry and its application

2020Aloul F.Elnawawy M.Elwakil A.S.JournalOrabi H.Radwan A.G.Sagahyroon A.Tolba M.F.

We propose a mathematical system capable of exhibiting chaos with a chaotic attractor which is odd symmetrical in the x ? y phase plane but even symmetrical in the x ? z and y ? z phase planes respectively

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An expression for the voltage response of a current-excited fractance device based on fractional-order trigonometric identities

2012Elwakil A.S.JournalRadwan A.G.

We report a closed-form expression of the voltage response of a current-excited fractance device

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Design equations for fractional-order sinusoidal oscillators: Four practical circuit examples

2008Elwakil A.S.JournalRadwan A.G.Soliman A.M.

Four practical sinusoidal oscillators are studied in the general form where fractional-order energy storage elements are considered

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Design and Implementation of an Optimized Artificial Human Eardrum Model

2020Bertsias P.Elwakil A.S.JournalMohsen M.Psychalinos C.Radwan A.G.Said L.A.

This paper introduces a fractional-order eardrum Type-II model, which is derived using fractional calculus to reduce the number of elements compared to its integer-order counterpart

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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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