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The regular and chaotic behavior of modified Rayleigh-Duffing oscillator is studied. We consider in this paper the dynamics of Modified Rayleigh Duffing oscillator. The harmonic balance method are used to find the amplitudes of the…

Chaotic Dynamics · Physics 2014-03-28 C. H. Miwadinou , A. V. Monwanou , C. Ainamon , J. B. Chabi Orou

We study chaotic dynamics in nonholonomic model of Celtic stone. We show that, for certain values of parameters characterizing geometrical and physical properties of the stone, a strange Lorenz-like attractor is observed in the model. We…

Dynamical Systems · Mathematics 2015-09-30 A. S. Gonchenko , S. V. Gonchenko

We present and analyze a nonabelian version of the Kuramoto system, which we call the quantum Kuramoto system. We study the stability of several classes of special solutions to this system, and show that for certain connection topologies…

Dynamical Systems · Mathematics 2018-11-14 Lee DeVille

In this paper, the problem of approximating hidden chaotic attractors of a general class of nonlinear systems is investigated. The Parameter Switching (PS) algorithm is utilized, which switches the control parameter within a given set of…

Chaotic Dynamics · Physics 2018-10-24 Marius-F. Danca , Nikolay Kuznetsovc , Guanrong Chen

This paper deals with various routes to hyperchaos with all three positive Lyapunov exponents in a three-dimensional quadratic map. The map under consideration displays strong hyperchaoticity in the sense that in a wider range of parameter…

Chaotic Dynamics · Physics 2024-06-13 Sishu Shankar Muni

We prove that a singular-hyperbolic attractor of a 3-dimensional flow is chaotic, in two strong different senses. Firstly, the flow is expansive: if two points remain close for all times, possibly with time reparametrization, then their…

Dynamical Systems · Mathematics 2009-01-24 Vitor Araujo , Maria Jose Pacifico , Enrique Pujals , Marcelo Viana

We consider a system of two identical linearly coupled Lorenz oscillators, presenting synchro- nization of chaotic motion for a specified range of the coupling strength. We verify the existence of global synchronization and…

Chaotic Dynamics · Physics 2012-03-20 Sabrina Camargo , Ricardo L. Viana , Celia Anteneodo

In this paper a Lorenz-like system, describing the process of rotating fluid convection, is considered. The present work demonstrates numerically that this system, also like the classical Lorenz system, possesses a homoclinic trajectory and…

Chaotic Dynamics · Physics 2015-11-17 G. A. Leonov , N. V. Kuznetsov , T. N. Mokaev

We use the methods of empirical mathematics to show that iterative logarithmic operations will result in an attractor point on the complex plane. Moreover, we demonstrate that different bases converge onto different attractors. Finally, we…

General Mathematics · Mathematics 2010-12-31 Pascal Wallisch

Examples of one-dimensional lattice systems are considered, in which patterns of different spatial scales arise alternately, so that the spatial phase over a full cycle undergo transformation according to expanding circle map that implies…

Adaptation and Self-Organizing Systems · Physics 2019-09-05 Sergey P. Kuznetsov

We report the experimental evidence of the existence of a random attractor in a fully developed turbulent swirling flow. By defining a global observable which tracks the asymmetry in the flux of angular momentum imparted to the flow, we can…

An attractor of a piecewise-smooth continuous system of differential equations can bifurcate from a stable equilibrium to a more complicated invariant set when it collides with a switching manifold under parameter variation. Here numerical…

Dynamical Systems · Mathematics 2016-08-24 D. J. W. Simpson

This paper presents adaptive robust quadratic program (QP) based control using control Lyapunov and barrier functions for nonlinear systems subject to time-varying and state-dependent uncertainties. An adaptive estimation law is proposed to…

Optimization and Control · Mathematics 2020-10-21 Pan Zhao , Yanbing Mao , Chuyuan Tao , Naira Hovakimyan , Xiaofeng Wang

We study chaotic dynamics in a system of four differential equations describing the dynamics of five identical globally coupled phase oscillators with biharmonic coupling. We show that this system exhibits strange spiral attractors…

Chaotic Dynamics · Physics 2022-09-21 Evgeny A. Grines , Alexey O. Kazakov , Igor R. Sataev

A square lattice distribution of coupled oscillators that have heteroclinic cycle attractors is studied. In this system, we find a novel type of patterns that is spatially disordered and periodic in time. These patterns are limit cycle…

Chaotic Dynamics · Physics 2009-11-07 Masashi Tachikawa

The motion of particles in the field of forces associated to an axially symmetric attraction center modeled by a monopolar term plus a prolate quadrupole deformation is studied using Poincare surface of sections and Lyapunov characteristic…

Astrophysics · Physics 2009-11-06 E. Gueron , P. S. Letelier

in the last decade, studies of chaotic system are more often used for classical choatic system than for quantum chaotic system, there are many ways of observing the chaotic system such us analyzing the frequency with Fourier transform or…

Chaotic Dynamics · Physics 2007-05-23 S. Soegianto , The Houw Liong

Lorenz attractors play an important role in the modern theory of dynamical systems. The reason is that they are robust, i.e. preserve their chaotic properties under various kinds of perturbations. This means that such attractors can exist…

Dynamical Systems · Mathematics 2021-04-06 Ivan Ovsyannikov

We show that a recently proposed numerical technique for the calculation of unstable periodic orbits in chaotic attractors is capable of finding the least unstable periodic orbits of any given order. This is achieved by introducing a…

chao-dyn · Physics 2009-10-31 Fotis K. Diakonos , Peter Schmelcher , O. Biham

We propose a new simple three-dimensional continuous autonomous model with two nonlinear terms and observe the dynamical behavior with respect to system parameters. This system changes the stability of fixed point via Hopf bifurcation and…

Chaotic Dynamics · Physics 2020-10-28 Arnob Ray , Dibakar Ghosh