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Prof. Ahmed G. Radwan

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Monthly Archives: December 2021

Modeling and analysis of fractional order DC-DC converter

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

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

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

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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A switched chaotic encryption scheme using multi-mode generalized modified transition map

This paper presents a multi-mode generalized modified transition chaotic map and a switched chaotic encryption scheme based on it

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FPGA Realizations of Chaotic Epidemic and Disease Models including Covid-19

The spread of epidemics and diseases is known to exhibit chaotic dynamics; a fact confirmed by many developed mathematical models

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Novel permutation measures for image encryption algorithms

This paper proposes two measures for the evaluation of permutation techniques used in image encryption

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FPGA implementation of sound encryption system based on fractional-order chaotic systems

This paper introduces design and FPGA implementation of sound encryption system based on a fractional-order chaotic system

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

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

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Fully digital jerk-based chaotic oscillators for high throughput pseudo-random number generators up to 8.77 Gbits/s

This paper introduces fully digital implementations of four different systems in the 3rd order jerk-equation based chaotic family using the Euler approximation

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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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Get In Touch

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