Invariants of chaotic attractor in a nonlinearly damped system

The characterization of a chaotic attractor in a driven, Duffing-Holmes oscillator with power-law damping is considered State space reconstruction of the time series of the attractor is carried out to investigate its structure. The invariants associated with the attractor such as correlation dimension and entropy are computed. Also the maximum-likelihood (ML) estimation of dimension and entropy are carried out. The use of obtained invariants in building models for prediction and control using power-law dampers is discussed.

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