HIDDEN ATTRACTORS OF SOME MULTISTABLE SYSTEMS WITH INFINITE NUMBER OF EQUILIBRIA
https://doi.org/10.22405/2226-8383-2017-18-2-18-33
Abstract
It is well known that mathematically simple systems of nonlinear differential equations can exhibit chaotic behavior. Detection of attractors of chaotic systems is an important problem of nonlinear dynamics. Results of recent researches have made it possible to introduce the following classification of periodic and chaotic attractors depending on the presence of neighborhood of equilibrium into their basin of attraction – self-excited and hidden attractors. The presence of hidden attractors in dynamical systems has received considerable attention to both theoretical and applied research of this phenomenon. Revealing of hidden attractors in real engineering systems is extremely important, because it allows predicting the unexpected and potentially dangerous system response to perturbations in its structure. In the past three years after discovering by S. Jafari and J. C. Sprott chaotic system with a line and a plane of equilibrium with hidden attractors there has been much attention to systems with uncountable or infinite equilibria. In this paper it is offered new models of control systems with an infinite number of equilibrium possessing hidden chaotic attractors: a piecewise-linear system with a locally stable segment of equilibrium and a system with periodic nonlinearity and infinite number of equilibrium points. The original analytical-numerical method developed by the author is applied to search hidden attractors in investigated systems.
About the Author
I. M. Burkin
Tula State University
Russian Federation
Russian Federation
doctor of physico-mathematical Sciences, assistant professor, Professor of the Department of Computational Mechanics and Mathematics
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Review
For citations:
Burkin I.M. HIDDEN ATTRACTORS OF SOME MULTISTABLE SYSTEMS WITH INFINITE NUMBER OF EQUILIBRIA. Chebyshevskii Sbornik. 2017;18(2):18-33. (In Russ.) https://doi.org/10.22405/2226-8383-2017-18-2-18-33
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