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Prof. Ahmed G. Radwan

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Home2020

Posts in category: 2020

A general emulator for fractional-order memristive elements with multiple pinched points and application

2020Fouda M.E.JournalKhalil N.A.Radwan A.G.Said L.A.Soliman A.M.

In this paper, X-controlled universal fractional-order memelements (FOMEs) emulator is proposed

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Multiplierless chaotic Pseudo random number generators

2020JournalMadian A.H.Radwan A.G.Rezk A.A.Soliman A.M.

This paper presents a multiplierless based FPGA implementation for six different chaotic Pseudo Random Number Generators (PRNGs) that are based on: Chua, modified Lorenz, modified Rössler, Frequency Dependent Negative Resistor (FDNR) oscillator, and other two systems that are modelled using the simple jerk equation

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Generalized switched synchronization and dependent image encryption using dynamically rotating fractional-order chaotic systems

2020JournalRadwan A.G.Sayed W.S.

This paper presents a generalization, attractor control and multi-scroll generation method for fractional-order chaotic systems through rotation transformation

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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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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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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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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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Optimized Edge Detection Technique for Brain Tumor Detection in MR Images

2020Abdel-Gawad A.H.JournalRadwan A.G.Said L.A.

Genetic algorithms (GAs) are intended to look for the optimum solution by eliminating the gene strings with the worst fitness

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Fractional derivative modeling of double-diffusive free convection with von Neumann stability analysis

2020El-Amin M.F.JournalKou J.Radwan A.G.Salama A.Sun S.

This paper focuses on the problem of fractional time derivative of fluid flow and convective heat and mass transfer from a heated semi-infinite wall immersed

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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
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