Spectral entropy analysis and synchronization of a multi-stable fractional-order chaotic system using a novel neural network-based chattering-free sliding mode …

PY Xiong, H Jahanshahi, R Alcaraz, YM Chu… - Chaos, Solitons & …, 2021 - Elsevier
An immense body of research has focused on chaotic systems, mainly because of their
interesting applications in a wide variety of fields. A comprehensive understanding and …

A new fractional-order hyperchaotic memristor oscillator: Dynamic analysis, robust adaptive synchronization, and its application to voice encryption

H Jahanshahi, A Yousefpour… - Applied Mathematics …, 2020 - Elsevier
The present study proposes a new fractional-order hyperchaotic memristor oscillator. The
proposed system is studied through numerical simulations and analyses, such as the …

On the variable-order fractional memristor oscillator: Data security applications and synchronization using a type-2 fuzzy disturbance observer-based robust control

JF Li, H Jahanshahi, S Kacar, YM Chu… - Chaos, Solitons & …, 2021 - Elsevier
In the present paper, for the first time, we propose a variable-order hyperchaotic system for
information security. Firstly, we study the dynamical behaviors of a memristor oscillator …

A new RBF neural network-based fault-tolerant active control for fractional time-delayed systems

B Wang, H Jahanshahi, C Volos, S Bekiros, MA Khan… - Electronics, 2021 - mdpi.com
Recently, intelligent control techniques have received considerable attention. In most
studies, the systems' model is assumed to be without any delay, and the effects of faults and …

Simulation and experimental validation of a non-equilibrium chaotic system

H Jahanshahi, O Orozco-López… - Chaos, Solitons & …, 2021 - Elsevier
Nowadays, chaotic systems are attracting considerable attention due to their special
features. The aim of this paper is to study a four-dimensional system that lacks any …

Recurrent neural network-based robust nonsingular sliding mode control with input saturation for a non-holonomic spherical robot

SB Chen, A Beigi, A Yousefpour, F Rajaee… - IEEE …, 2020 - ieeexplore.ieee.org
We develop a new robust control scheme for a non-holonomic spherical robot. To this end,
the mathematical model of a pendulum driven non-holonomic spherical robot is first …

Discrete-time macroeconomic system: Bifurcation analysis and synchronization using fuzzy-based activation feedback control

SS Zhou, H Jahanshahi, Q Din, S Bekiros… - Chaos, Solitons & …, 2021 - Elsevier
Economic systems, due to their substantial effects on any society, are interesting research
subject for a large family of researchers. Despite all attempts to study economic and financial …

On the dynamical investigation and synchronization of variable-order fractional neural networks: The Hopfield-like neural network model

H Jahanshahi, E Zambrano-Serrano, S Bekiros… - The European Physical …, 2022 - Springer
Since the variable-order fractional systems show more complex characteristics and more
degrees of freedom due to time-varying fractional derivatives, we introduce a variable-order …

Artificial macro-economics: A chaotic discrete-time fractional-order laboratory model

YM Chu, S Bekiros, E Zambrano-Serrano… - Chaos, Solitons & …, 2021 - Elsevier
In this novel research, through dynamical analysis, we introduce for the first time a fractional-
calculus based artificial macroeconomic model, actually implemented in the Laboratory via a …

Synchronization of fractional time-delayed financial system using a novel type-2 fuzzy active control method

S Wang, S Bekiros, A Yousefpour, S He… - Chaos, Solitons & …, 2020 - Elsevier
In the present article, as a new approach, a fuzzy disturbance observer is combined with an
active controller for the synchronization of fractional-order time-delayed systems. Since the …