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Hidden attractors in a new fractional-order discrete system: Chaos, complexity, entropy, and control |
Adel Ouannas1,2, Amina Aicha Khennaoui3, Shaher Momani2,4, Viet-Thanh Pham5, Reyad El-Khazali6 |
1 Laboratory of Mathematics, Informatics and Systems(LAMIS), University of Laarbi Tebessi, Tebessa, 12002, Algeria; 2 College of Humanities and Sciences, Ajman University, Ajman, UAE; 3 Laboratory of Dynamical Systems and Control, University of Larbi Ben M'hidi, Oum El Bouaghi, Algeria; 4 Department of Mathematics, Faculty of Science, University of Jordan, Amman 11942, Jordan; 5 Nonlinear Systems and Applications, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam; 6 ECCE Department, Khalifa University, Abu-Dhabi 127788, United Arab Emirates |
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Abstract This paper studies the dynamics of a new fractional-order discrete system based on the Caputo-like difference operator. This is the first study to explore a three-dimensional fractional-order discrete chaotic system without equilibrium. Through phase portrait, bifurcation diagrams, and largest Lyapunov exponents, it is shown that the proposed fractional-order discrete system exhibits a range of different dynamical behaviors. Also, different tests are used to confirm the existence of chaos, such as 0-1 test and C0 complexity. In addition, the quantification of the level of chaos in the new fractional-order discrete system is measured by the approximate entropy technique. Furthermore, based on the fractional linearization method, a one-dimensional controller to stabilize the new system is proposed. Numerical results are presented to validate the findings of the paper.
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Received: 26 January 2020
Revised: 12 March 2020
Accepted manuscript online:
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PACS:
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05.45.-a
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(Nonlinear dynamics and chaos)
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05.45.Ac
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(Low-dimensional chaos)
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05.45.Gg
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(Control of chaos, applications of chaos)
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05.30.Pr
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(Fractional statistics systems)
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Fund: The author Adel Ouannas was supported by the Directorate General for Scientific Research and Technological Development of Algeria. The author Shaher Momani was supported by Ajman University in UAE. |
Corresponding Authors:
Viet-Thanh Pham
E-mail: phamvietthanh@tdtu.edu.vn
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Cite this article:
Adel Ouannas, Amina Aicha Khennaoui, Shaher Momani, Viet-Thanh Pham, Reyad El-Khazali Hidden attractors in a new fractional-order discrete system: Chaos, complexity, entropy, and control 2020 Chin. Phys. B 29 050504
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