Abstract
In this paper, the heteroclinic bifurcation and chaos in Josephson system subjected to an amplitude modulated force is discussed. By applying Melnikov method, it will be obtained that the heteroclinic bifurcation conditions of existence of chaotic motion. The effects of parameters of system on dynamical behaviors is also studied by using numerical simulation. Numerical simulation including bifurcation diagram of fixed points, phase portraits, bifurcation diagrams of system, not only show the consistent with the theoretical analysis but also exhibit the interesting bifurcation diagrams and the more new complex dynamical behaviors.
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Acknowledgements
The author is very thankful to the editors and referees for careful reading of the paper and valuable suggestions and useful comments that improved the presentation of the paper. This work is supported by the National Natural Science Foundation of China (Nos. 11471197 and 11402139) and the Youth Science and Technology Research Fund of Shanxi Province (No. 201601D202002).
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Shi, Y. Melnikov analysis of chaos and heteroclinic bifurcation in Josephson system driven by an amplitude-modulated force. Int. J. Dynam. Control 6, 589–600 (2018). https://doi.org/10.1007/s40435-017-0340-8
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DOI: https://doi.org/10.1007/s40435-017-0340-8