Identification and synchronization of a 5-D hyperchaotic Rikitake system with unknown parameters
Publish place: 9th International Conference on Acoustic and Vibration
Publish Year: 1398
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISAV09_032
تاریخ نمایه سازی: 11 دی 1398
Abstract:
In this paper, a nonlinear 5-dimensional hyperchaotic Rikitake dynamic system and the uncontrolled response of the system has been taken into consideration. This system has hyper-chaotic behavior and in the case of existing uncertainties in the system, it shows even more complex behaviors. In order to have nonchaotic behavior, an adaptive control algorithm has been proposed to achieve synchronization for a hyperchaotic system with an identical 5-D system which has unknown parameters. The stability of the control law by using the Lyapunov stability theory system has been identified. For instance, to show the effectiveness of the proposed algorithm for a class of complex systems, the numerical simulation are presented for a hyperchaotic Rikitake system with unknown parameters. Also, the results depict that the gradual transformation from a chaotic system into a periodic one. Finally, the effectiveness of the proposed methodology has been adopted for the system with time-varying parameters. To the best of our knowledge, it is for the first time that adaptive synchronization for a 5-D hyperchaotic Rikitake system with uncertainty has been taken into account by our team.
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Authors
Mohammad Reza Kheshti
MSc student in mechanical engineering, Department of solid mechanics engineering, School of mechanical engineering, Shiraz university, Shiraz, Iran, ۷۱۹۳۶-۱۶۵۴۸.
Hossein Mohammadi
Assistant professor, Department of solid mechanics engineering, School of mechanical engineering, Shiraz university, Shiraz, Iran, ۷۱۹۳۶-۱۶۵۴۸.