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Fractal and Fractional, Volume 6, Issue 8

August 2022 - 58 articles

Cover Story: This paper enhances chaotic systems using fractional orders, multi-scroll grid, dynamic rotation angles, and translational parameters. The rotated system is successfully utilized as a pseudo-random number generator (PRNG) in an image encryption scheme. For hardware realization, the coordinate rotation digital computer (CORDIC) algorithm is used to implement rotation, and the Grünwald–Letnikov (GL) technique is used for solving the fractional-order system. The proposed hardware architectures are realized on a field-programmable gate array (FPGA) using the Xilinx ISE 14.7 on Artix 7 XC7A100T kit. The achieved throughputs are 821.92 Mbits/s and 520.768 Mbits/s for two- and three-dimensional rotating chaotic systems, respectively. View this paper
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Articles (58)

  • Article
  • Open Access
5 Citations
2,037 Views
15 Pages

This paper investigates the local stabilization problem of delayed fractional-order neural networks (FNNs) under the influence of actuator saturation. First, the sector condition and dead-zone nonlinear function are specially introduced to characteri...

  • Article
  • Open Access
2,025 Views
24 Pages

In this paper, we study a class of nonlinear space-time fractional stochastic kinetic equations in Rd with Gaussian noise which is white in time and homogeneous in space. This type of equation constitutes an extension of the nonlinear stochastic heat...

  • Article
  • Open Access
2,625 Views
24 Pages

The purpose of this study is to offer a systematic, unified approach to the Mellin-Barnes integrals and associated special functions as Fox H, Aleph ℵ, and Saxena I function, encompassing the fundamental features and important conclusions und...

  • Article
  • Open Access
11 Citations
3,785 Views
22 Pages

Optimizing the Maximum Lyapunov Exponent of Fractional Order Chaotic Spherical System by Evolutionary Algorithms

  • Vincent-Ademola Adeyemi,
  • Esteban Tlelo-Cuautle,
  • Francisco-Javier Perez-Pinal and
  • Jose-Cruz Nuñez-Perez

The main goal of this work is to optimize the chaotic behavior of a three-dimensional chaotic-spherical-attractor-generating fractional-order system and compare the results with its novel hyperchaotic counterpart. The fractional-order chaotic system...

  • Review
  • Open Access
18 Citations
4,234 Views
56 Pages

The technological development in wind energy conversion systems (WECSs) places emphasis on the injection of wind power into the grid in a smoother and robust way. Sliding mode control (SMC) has proven to be a popular solution for the grid-connected W...

  • Article
  • Open Access
26 Citations
2,409 Views
15 Pages

A Theoretical and Numerical Study on Fractional Order Biological Models with Caputo Fabrizio Derivative

  • Mati ur Rahman,
  • Ali Althobaiti,
  • Muhammad Bilal Riaz and
  • Fuad S. Al-Duais

This article studies a biological population model in the context of a fractional Caputo-Fabrizio operator using double Laplace transform combined with the Adomian method. The conditions for the existence and uniqueness of solution of the problem und...

  • Article
  • Open Access
9 Citations
2,200 Views
18 Pages

On the Numerical Approximation of Mobile-Immobile Advection-Dispersion Model of Fractional Order Arising from Solute Transport in Porous Media

  • Kamran,
  • Shahzad Khan,
  • Sharifah E. Alhazmi,
  • Fahad M. Alotaibi,
  • Massimiliano Ferrara and
  • Ali Ahmadian

The fractional mobile/immobile solute transport model has applications in a wide range of phenomena such as ocean acoustic propagation and heat diffusion. The local radial basis functions (RBFs) method have been applied to many physical and engineeri...

  • Article
  • Open Access
27 Citations
2,305 Views
13 Pages

We construct soliton solutions of the complex time fractional Schrodinger model (tFSM), as well as the space–time fractional differential model (stFDM), leading wave spread through electrical transmission lines model (ETLM) in low pass with the...

  • Article
  • Open Access
1 Citations
1,959 Views
23 Pages

In this paper, an implicit difference scheme is proposed and analyzed for a class of nonlinear fourth-order equations with the multi-term Riemann–Liouvile (R–L) fractional integral kernels. For the nonlinear convection term, we handle imp...

  • Article
  • Open Access
3 Citations
2,298 Views
18 Pages

This paper deals with the asymptotic synchronization of fractional-order complex dynamical networks with different structures and parameter uncertainties (FCDNDP). Firstly, the FCDNDP model is proposed by the Riemann–Liouville (R-L) fractional...

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Fractal Fract. - ISSN 2504-3110