Bifurcation and chaos detection of a fractional Duffing–van der Pol oscillator with two periodic excitations and distributed time delay

Y Zhang, J Li, S Zhu, H Zhao - Chaos: An Interdisciplinary Journal of …, 2023 - pubs.aip.org
This paper analytically and numerically investigates the dynamical characteristics of a
fractional Duffing–van der Pol oscillator with two periodic excitations and the distributed time …

A new 5D fractional-order conservative hyperchaos system

B Tian, Q Peng, X Leng, B Du - Physica Scripta, 2022 - iopscience.iop.org
At present, most of the encryption algorithms based on chaotic systems use dissipative
chaotic systems. However, the dissipative chaotic systems have attractors and are easy to …

Synchronization and desynchronization of chaotic models with integer, fractional and distributed-orders and a color image encryption application

GM Mahmoud, H Khalaf, MM Darwish… - Physica …, 2023 - iopscience.iop.org
For the first time, as we know, the generalization of combination synchronization (GCS) of
chaotic dynamical models with integer, fractional and distributed-orders is studied in this …

Nonlinear distributed-order models: Adaptive synchronization, image encryption and circuit implementation

TM Abed-Elhameed, GM Mahmoud, MM Elbadry… - Chaos, Solitons & …, 2023 - Elsevier
The main aim of present work is to investigate the dynamics of the chaotic nonlinear
distributed order Lü model (DOLM). The distributed order (DO) derivative is used for …

Compound-combination synchronization for fractional hyperchaotic models with different orders

GM Mahmoud, A Althemairi, TM Abed-Elhameed… - Symmetry, 2023 - mdpi.com
In this paper, we introduce a new type of synchronization for the fractional order (FO)
hyperchaotic models with different orders called compound-combination synchronization …

Finite-time synchronization of fractional-order energy resources demand-supply hyperchaotic systems via fractional-order prediction-based feedback control strategy …

A Soukkou, Y Soukkou… - Journal of …, 2023 - asmedigitalcollection.asme.org
The concept of fractional-order control (F-oC) is exploited in this paper to synchronize
fractional-order dynamical systems. The addressed systems in this paper reflect the real …

Complex Rayleigh–van-der-Pol–Duffing Oscillators: Dynamics, Phase, Antiphase Synchronization, and Image Encryption

A Al Themairi, GM Mahmoud, AA Farghaly… - Fractal and …, 2023 - mdpi.com
This paper introduces the complex Rayleigh–van-der-Pol–Duffing oscillators (RVDOs),
which are hyperchaotic and can be autonomous or nonautonomous. The fundamental …

On the fractional‐order simplified Lorenz models: Dynamics, synchronization, and medical image encryption

GM Mahmoud, H Khalaf, MM Darwish… - … Methods in the …, 2023 - Wiley Online Library
This article discusses, for the first time as we know, the basic dynamics of commensurate
and noncommensurate fractional‐order simplified Lorenz models, such as invariance …

A novel adaptive synchronization algorithm for a general class of fractional-order complex-valued systems with unknown parameters, and applications to circuit …

AAH Shoreh, GM Mahmoud - Physica Scripta, 2024 - iopscience.iop.org
This article proposes an adaptive synchronization (AS) algorithm to synchronize a general
class of fractional-order complex-valued systems with completely unknown parameters …

Dynamics of chaotic and hyperchaotic modified nonlinear Schrödinger equations and their compound synchronization

TM Abed-Elhameed, M Otefy, GM Mahmoud - Physica Scripta, 2024 - iopscience.iop.org
We present in this paper four versions of chaotic and hyperchaotic modified nonlinear
Schrödinger equations (MNSEs). These versions are hyperchaotic integer order …