2006
DOI: 10.1103/physreve.74.046207
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Arnold’s cat map dynamics in a system of coupled nonautonomous van der Pol oscillators

Abstract: An example of a flow system is presented with an attractor concentrated mostly at a surface of a two-dimensional torus, the dynamics on which is governed by the Arnold cat map. The system is composed of four coupled nonautonomous van der Pol oscillators. Three of them have equal characteristic frequencies, and in the other one the frequency is twice as large. The parameters controlling excitation of the two pairs of oscillators are forced to undergo a slow counterphase periodic modulation in time. At the end o… Show more

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Cited by 37 publications
(31 citation statements)
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“…The proposed principle can be implemented, for example, in systems of electronics and nonlinear optics for the generation of robust chaos. Moreover, on this principle, one can build many models manifesting various interesting phenomena of complex dynamics, like it was done with systems based on manipulation by phases of successively generated oscillatory trains (e.g., Arnold cat map dynamics [26,38], complex analytic dynamics with Mandelbrot and Julia sets [39], robust strange nonchaotic attractor [40], etc. ).…”
Section: Discussionmentioning
confidence: 99%
“…The proposed principle can be implemented, for example, in systems of electronics and nonlinear optics for the generation of robust chaos. Moreover, on this principle, one can build many models manifesting various interesting phenomena of complex dynamics, like it was done with systems based on manipulation by phases of successively generated oscillatory trains (e.g., Arnold cat map dynamics [26,38], complex analytic dynamics with Mandelbrot and Julia sets [39], robust strange nonchaotic attractor [40], etc. ).…”
Section: Discussionmentioning
confidence: 99%
“…Later, such a system was designed as an electronic device and studied experimentally [9]. Similar constructions of coupled nonautonomous self-oscillators were used to implement dynamics associated with the Arnold cat map [10] and with the robust strange nonchaotic attractor [11].…”
Section: Introductionmentioning
confidence: 99%
“…x r = εs(t), y r − (A cos ω 0 t/N − y 2 r )ẏ r + ω 2 0 y r = εw r , z r + (A cos ω 0 t/N + z 2 r )ż r + 4ω 2 0 z r = εx r y r , w r + (A cos ω 0 t/N + w 2 r )ẇ r + ω 2 0 z r = εx r , (13) where s(t) = z d cos(ω 0 t + ξ(t)). The parameter values are chosen as in [10]: A = 2.0, ε = 0.4, ε = 2π, N = 20. From the viewpoint of confidentiality, such scheme has an advantage due to higher dimension of the phase space; that makes difficulties for the decoding of the potentially intercepted signal.…”
Section: Transmission Of Digital Information Via Robust Chaotic Commumentioning
confidence: 99%