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ZhETF, Vol. 145, No. 3, p. 565 (March 2014)
(English translation - JETP, Vol. 118, No. 3, p. 494, March 2014 available online at www.springer.com )

BISTABILITY IN A HYPERCHAOTIC SYSTEM WITH A LINE EQUILIBRIUM
Li Ch., Spott J.C., Thio W.

Received: October 26, 2013

DOI: 10.7868/S0044451014030197

DJVU (1133.4K) PDF (7M)

A hyperchaotic system with an infinite line of equilibrium points is described. A criterion is proposed for quantifying the hyperchaos, and the position in the three-dimensional parameter space where the hyperchaos is largest is determined. In the vicinity of this point, different dynamics are observed including periodicity, quasi-periodicity, chaos, and hyperchaos. Under some conditions, the system has a unique bistable behavior, characterized by a symmetric pair of coexisting limit cycles that undergo period doubling, forming a symmetric pair of strange attractors that merge into a single symmetric chaotic attractor that then becomes hyperchaotic. The system was implemented as an electronic circuit whose behavior confirms the numerical predictions.

 
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