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Prof. Ahmed G. Radwan

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Monthly Archives: December 2021

Numerical Simulations and FPGA Implementations of Fractional-Order Systems Based on Product Integration Rules

Product integration (PI) rules are well known numerical techniques that are used to solve differential equations of integer and, recently, fractional orders

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Fractional chaos maps with flower pollination algorithm for chaotic systemsÂ’ parameters identification

Meta-heuristic optimization algorithms are the new gate in solving most of the complicated nonlinear systems

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Stability and non-standard finite difference method of the generalized Chua’s circuit

In this paper, we develop a framework to obtain approximate numerical solutions of the fractional-order Chua’s circuit with Memristor using a non-standard finite difference method

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Control and switching synchronization of fractional order chaotic systems using active control technique

This paper discusses the continuous effect of the fractional order parameter of the Lü system where the system response starts stable, passing by chaotic behavior then reaching periodic response as the fractional-order increases

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

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

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

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FPGA implementation of two fractional order chaotic systems

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

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

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

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

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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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