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Robustness of synchronization in hyperchaotic circuits

Mattia Frasca, Luigi Fortuna, Arturo Buscarino
Complete synchronization between two chaotic circuits can be reached only when the systems are identical. However, weaker forms of synchronization can be observed in presence of parameter mismatches, due to uncertainty sources, between systems.
In this work we study numerically and experimentally the robustness of synchronization in presence of parameter mismatches between the coupled circuits in the case of hyperchaotic behavior.
For robustness of synchronization we mean the capability shown by the coupling scheme of maintaining a synchronous motion even if the two circuits are not identical, due to uncertainties on circuit parameters.
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