Resonance Oscillation and Transition to Chaos in -Duffing–Van der Pol Oscillator

AO Adelakun - International Journal of Applied and Computational …, 2021 - Springer
International Journal of Applied and Computational Mathematics, 2021Springer
In this paper, an exciting and interesting transition to chaos in a complex ϕ 8-DVP oscillator
is studied. We first examine the stability conditions for the fixed points and then analyzed the
resonance oscillation using the multiple scale method. The regions of chaotic and periodic
behavior which leads to multi-stability of attractors and changes in the geometry of the
attractors via bifurcation parameter (γ), the driving force (f) and its frequency (ω)—a
phenomenon of chaotification were further obtained. Our analytical predictions confirm the …
Abstract
In this paper, an exciting and interesting transition to chaos in a complex -DVP oscillator is studied. We first examine the stability conditions for the fixed points and then analyzed the resonance oscillation using the multiple scale method. The regions of chaotic and periodic behavior which leads to multi-stability of attractors and changes in the geometry of the attractors via bifurcation parameter , the driving force (f) and its frequency —a phenomenon of chaotification were further obtained. Our analytical predictions confirm the numerical results in which the model exhibits imbricated period-doubling, Hopf bifurcation, intermittent bifurcation, sudden chaos, unstable states, and hidden dynamics. We explore the chaotic behavior of the new model using the indicators, namely bifurcation diagrams, Lyapunov exponents, Poincáre cross-sections, phase portraits and time series for better visualization and characterization. Finally, the circuit realization of the proposed model is designed using MultiSIM software and hardware components.
Springer
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