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Vestnik KRAUNC. Fiziko-Matematicheskie Nauki, 2023, Volume 44, Number 3, Pages 67–85
DOI: https://doi.org/10.26117/2079-6641-2023-44-3-67-85
(Mi vkam612)
 

MATHEMATICAL MODELING

Implementation of the modified Test 0-1 algorithm for the analysis of chaotic modes of the fractional Duffing oscillator

R. I. Parovikab

a National University of Uzbekistan named after M. Ulugbek, Tashkent
b Vitus Bering Kamchatka State University
References:
Abstract: The work carried out a study of chaotic and regular modes of a fractional Duffing oscillator using the Test 0-1 algorithm. The fractional Duffing oscillator is described by a nonlinear differential equation with the Riemann-Liouville derivative of a fractional variable order. Using an explicit numerical finite difference scheme, a numerical solution to the model was obtained, which is fed to the input of the Test 0-1 algorithm after the thinning procedure – identifying local extrema. Next, using the Matlab package, the Test 0-1 algorithm is implemented and the simulation results are visualized. Bifurcation diagrams are constructed for the correlation coefficient, taking into account the values of the orders of the fractional derivative, and oscillograms and phase trajectories are constructed. It is shown that the Test 0-1 algorithm works correctly with the appropriate selection of the sampling step.
Keywords: Test 0-1, model, Duffing oscillator, Riemann-Liouville fractional derivative, standard deviation, correlation, bifurcation diagram.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation МД-758.2022.1.1
The research was carried out within the framework of the grant of the President of the Russian Federation MD-758.2022.1.1 on the topic “Development of mathematical models of fractional dynamics in order to study oscillatory processes and processes with saturation”.
Document Type: Article
UDC: 519.642.2
MSC: Primary 34A08; Secondary 34A34
Language: Russian
Citation: R. I. Parovik, “Implementation of the modified Test 0-1 algorithm for the analysis of chaotic modes of the fractional Duffing oscillator”, Vestnik KRAUNC. Fiz.-Mat. Nauki, 44:3 (2023), 67–85
Citation in format AMSBIB
\Bibitem{Par23}
\by R.~I.~Parovik
\paper Implementation of the modified Test 0-1 algorithm for the analysis of chaotic modes of the fractional Duffing oscillator
\jour Vestnik KRAUNC. Fiz.-Mat. Nauki
\yr 2023
\vol 44
\issue 3
\pages 67--85
\mathnet{http://mi.mathnet.ru/vkam612}
\crossref{https://doi.org/10.26117/2079-6641-2023-44-3-67-85}
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