Noise-induced jumps in two coupled Duffing oscillators

S. Rajasekar, M.C. Valsakumar and S.Paul Raj

Physica A: Statistical Mechanics and its Applications, 1998, vol. 261, issue 3, 417-434

Abstract: We consider two coupled Duffing oscillators with the coexistence of four attractors. Switching between the coexisting attractors by noises is investigated. Three types of noises such as Gaussian, amplitude dependent and dichotomous are used. We observed noise-induced extrinsic intermittency. Intermittent dynamics is characterized using power spectrum, average and relative residence times on each precoupled attractors and probability distribution of time interval between successive switchings. Variation of probability distribution of state variables in Poincaré map is studied as a function of noise strength. The effect of various noises is compared. The occurrence of crisis-induced and type-I intermittencies are also presented.

Keywords: Two coupled Duffing oscillators; Noise-induced intermittency (search for similar items in EconPapers)
Date: 1998
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:261:y:1998:i:3:p:417-434

DOI: 10.1016/S0378-4371(98)00292-1

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