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Mixed-Mode Oscillations in a Modified Chua’s Circuit

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Abstract

We consider a singularly perturbed system of differential equations of the form ε u′=g(u,v,λ), v′=f(u,v,λ), where (u,v)∈R 3, 0<ε≪1, and λ is a set of parameters. Such a system describes a modified Chua’s circuit with mixed-mode oscillations (MMOs). MMOs consist of a series of small-amplitude oscillations (canard solutions) and large-amplitude relaxations. In the paper we provide a series of both numerical and analytical analyses of the singularly perturbed system for the modified Chua’s circuit with nonlinear f and g. In particular, we analyze the occurrence of the Farey sequence \(\it L^{s}\), where \(\it L\) and \(\it s\) are the numbers of large and small oscillations, respectively.

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Correspondence to Wieslaw Marszalek.

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Marszalek, W., Trzaska, Z. Mixed-Mode Oscillations in a Modified Chua’s Circuit. Circuits Syst Signal Process 29, 1075–1087 (2010). https://doi.org/10.1007/s00034-010-9190-8

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  • DOI: https://doi.org/10.1007/s00034-010-9190-8

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