Fluctuation-induced escape from the basin of attraction of a quasiattractor

Luchinskiı, D. G.; Khovanov, I. A.
June 1999
JETP Letters;6/10/99, Vol. 69 Issue 11, p825
Academic Journal
Noise-induced escape from the basin of attraction of a strange attractor (SA) in a periodically excited nonlinear oscillator is investigated. It is shown by numerical simulation methods that escape occurs in two steps: transfer of the system from the SA to a close-lying saddle cycle along several optimal trajectories, and a subsequent fluctuation-induced transfer from the basin of attraction of the SA along a single optimal trajectory. The possibility of using the results of this work to solve problems of the optimal control of switchings from an attractor and for constructing theoretical estimates of the escape probability is discussed. © 1999 American Institute of Physics.


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