Hidden hyperchaos and electronic circuit application in a 5D self-exciting homopolar disc dynamo

Z Wei, I Moroz, JC Sprott, A Akgul… - … Interdisciplinary Journal of …, 2017 - pubs.aip.org
We report on the finding of hidden hyperchaos in a 5D extension to a known 3D self-exciting
homopolar disc dynamo. The hidden hyperchaos is identified through three positive …

Phase slips in coupled oscillator systems

PB Gogoi, S Kumarasamy, A Prasad, R Ramaswamy - Physical Review E, 2023 - APS
Phase slips are a typical dynamical behavior in coupled oscillator systems: the route to
phase synchrony is characterized by intervals of constant phase difference interrupted by …

A new class of two-dimensional chaotic maps with closed curve fixed points

H Jiang, Y Liu, Z Wei, L Zhang - International Journal of Bifurcation …, 2019 - World Scientific
This paper constructs a new class of two-dimensional maps with closed curve fixed points.
Firstly, the mathematical model of these maps is formulated by introducing a nonlinear …

Forecasting and stabilizing chaotic regimes in two macroeconomic models via artificial intelligence technologies and control methods

T Alexeeva, QB Diep, N Kuznetsov, I Zelinka - Chaos, Solitons & Fractals, 2023 - Elsevier
One of the key tasks in the economy is forecasting the economic agents' expectations of the
future values of economic variables using mathematical models. The behavior of …

Perpetual points: new tool for localization of coexisting attractors in dynamical systems

D Dudkowski, A Prasad, T Kapitaniak - International Journal of …, 2017 - World Scientific
Perpetual points (PPs) are special critical points for which the magnitude of acceleration
describing the dynamics drops to zero, while the motion is still possible (stationary points are …

Augmented Perpetual Manifolds and Perpetual Mechanical Systems—Part I: Definitions, Theorem, and Corollary for Triggering Perpetual Manifolds, Application in …

F Georgiades - Journal of Computational and …, 2021 - asmedigitalcollection.asme.org
Perpetual points in mechanical systems were defined recently. Herein, they are used to seek
specific solutions of N-degrees-of-freedom systems, and their significance in mechanics is …

Augmented perpetual manifolds, a corollary: dynamics of natural mechanical systems with eliminated internal forces

F Georgiades - Advances in Nonlinear Dynamics: Proceedings of the …, 2022 - Springer
Perpetual points have been defined, in mathematics, recently, and their role in the dynamics
of systems is on-going research. In unforced linear and some nonlinear mechanical …

Describing chaotic attractors: Regular and perpetual points

D Dudkowski, A Prasad, T Kapitaniak - Chaos: An Interdisciplinary …, 2018 - pubs.aip.org
We study the concepts of regular and perpetual points for describing the behavior of chaotic
attractors in dynamical systems. The idea of these points, which have been recently …

Controlling hidden dynamics and multistability of a class of two-dimensional maps via linear augmentation

L Zhang, H Jiang, Y Liu, Z Wei, Q Bi - International Journal of …, 2021 - World Scientific
This paper reports the complex dynamics of a class of two-dimensional maps containing
hidden attractors via linear augmentation. Firstly, the method of linear augmentation for …

A class of two-dimensional rational maps with self-excited and hidden attractors

LP Zhang, Y Liu, ZC Wei, HB Jiang, QS Bi - Chinese Physics B, 2022 - iopscience.iop.org
This paper studies a new class of two-dimensional rational maps exhibiting self-excited and
hidden attractors. The mathematical model of these maps is firstly formulated by introducing …