3 years ago

Stability enhancement by induced synchronization using transient uncoupling in certain coupled chaotic systems.

G. Sivaganesh, A. Arulgnanam, A. N. Seethalakshmi

In this work, we report the enhanced stability of induced synchronization observed through transient uncoupling in a class of unidirectionally coupled identical chaotic systems. The phenomenon of transient uncoupling implies the clipping of the chaotic attractor of the driven system in a drive-driven scenario and making the coupling strength active over the clipped regions. The {\emph{Master Stability Function}} (MSF) is used to determine the stability of the synchronized states for a finite clipping fraction in unidirectionally coupled chaotic systems subjected to transient uncoupling for fixed values of coupling strength. The effectiveness of transient uncoupling is observed through the existence of negative regions in the MSF spectrum for larger values of coupling strength. Further the two-parameter bifurcation diagram indicating the regions of stable synchronization for different values of clipping fraction and coupling strength has been obtained. The effect of the symmetry of chaotic attractors in enhancing the stability of synchronized states of coupled chaotic systems subjected to transient uncoupling is studied.

Publisher URL: http://arxiv.org/abs/1811.05091

DOI: arXiv:1811.05091v1

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