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We report our experimental observations of the Shil’nikov-type homoclinic chaos in asymmetry-induced Chua’s oscillator. The
asymmetry plays a crucial role in the related homoclinic bifurcations. The asymmetry is introduced in the circuit by forcing
a DC voltage. For a selected asymmetry, when a system parameter is controlled, we observed transition from large amplitude
limit cycle to homoclinic chaos via a sequence of periodic mixed-mode oscillations interspersed by chaotic states. Moreover,
we observed two intermediate bursting regimes. Experimental evidences of homoclinic chaos are verified with PSPICE simulations. 相似文献
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