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Journal of Theoretical and Applied Vibration and Acoustics، جلد ۶، شماره ۲، صفحات ۲۰۱-۲۱۶
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عنوان انگلیسی Stabilization of a 5-D hyperchaotic Rikitake system with unknown parameters
چکیده انگلیسی مقاله In this paper, a nonlinear 5-D hyperchaotic Rikitake dynamic system has been taken into consideration. The hyperchaotic behavior of the model was proved, and the response of the system has been shown. Besides, in the case of existing parametric uncertainties in the system, it shows even more complex behavior. An adaptive control strategy to have stable behavior is synchronized for an uncertain hyperchaotic system with an identical 5-D system. The stability of the control law has been identified by using the Lyapunov stability theory. The numerical simulations are presented for the hyperchaotic Rikitake system with unknown parameters and a system with time-varying parameters to indicate the effectiveness of the proposed algorithm for a class of complex systems. Moreover, since there are often lags between the signals gained by the system and the signals that the controller receives, the control input with the time delay parameter is implemented in the model. Also, the results show the gradual transformation from an unstable system into a stable one.
کلیدواژه‌های انگلیسی مقاله Instability, Nonlinear systems,chaos,synchronization,time delay
نویسندگان مقاله Mohammad Reza Kheshti |
School of Mechanical Engineering, Shiraz University, Shiraz, Islamic Republic of Iran

Hossein Mohammadi |
School of Mechanical Engineering, Shiraz University, Shiraz, Islamic Republic of Iran

نشانی اینترنتی https://tava.isav.ir/article_244567_126402ef7f64950fa31c8e40594fd6d7.pdf
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