Route to hyperchaos in a system of coupled oscillators with multistability


McCullen, N. and Moresco, P., 2011. Route to hyperchaos in a system of coupled oscillators with multistability. Physical Review E (PRE), 83 (4), 046212.

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This work presents the results of a detailed experimental study into the transition between synchronized, low-dimensional, and unsynchronized, high-dimensional dynamics using a system of coupled electronic chaotic oscillators. Novel data analysis techniques have been employed to reveal that a hyperchaotic attractor can arise from the amalgamation of two nonattracting sets. These originate from initially multistable low-dimensional attractors which experience a smooth transition from low- to high-dimensional chaotic behavior, losing stability through a bubbling bifurcation. Numerical techniques were also employed to verify and expand on the experimental results, giving evidence on the locally unstable invariant sets contained within the globally stable hyperchaotic attractor. This particular route to hyperchaos also results in the possibility of phenomena (such as unstable dimension variability) that can be a major obstruction to shadowing and predictability in chaotic systems.


Item Type Articles
CreatorsMcCullen, N.and Moresco, P.
Related URLs
DepartmentsFaculty of Engineering & Design > Architecture & Civil Engineering
ID Code31819


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