Hidden and Coexisting Attractors in a Novel 4D Hyperchaotic System with No Equilibrium Point
Abstract
:1. Introduction
2. The Novel 4D Hyperchaotic System
3. Complex Dynamical Structure of the Proposed Hyperchaotic System
3.1. Lyapunov Exponents, Bifurcation Diagram, and Complexity Analysis
3.2. Coexisting Attractors
3.2.1. Coexistence of Chaotic and Periodic Attractors
3.2.2. Coexistence of Quasi-Periodic and Periodic Attractors
3.2.3. Coexistence of Chaotic and Quasi-Periodic Attractors
3.2.4. Coexistence of Hidden Periodic Attractors
3.2.5. Coexistence of Hidden Hyperchaotic Attractors
4. Analysis of Unstable Cycles for New 4D Hyperchaotic System via Variational Approach
4.1. Variational Method for Calculations
4.2. Extracting Unstable Cycles in a Hidden Hyperchaotic Attractor
4.3. Homotopy Evolution of Cycle Variation with Different Parameters
5. Circuit Design and Realization of New System
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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b | Dynamics | |||||
---|---|---|---|---|---|---|
10 | 0 | −0.0377 | −0.4173 | −11.6842 | 1.0 | Periodic |
20 | 0.0483 | 0 | −0.2258 | −11.9110 | 2.24 | Chaos |
38 | 0 | −0.0227 | −0.0243 | −12.0242 | 1.0 | Periodic |
42 | 0 | 0 | −0.1340 | −11.9278 | 2.0 | Quasi-periodic |
50 | 0.0182 | 0 | −0.2922 | −11.7656 | 2.06 | Chaos |
120 | 0.9302 | 0.0850 | 0 | −12.8638 | 3.08 | Hyperchaos |
Length | p | x | y | z | w | |
---|---|---|---|---|---|---|
1 | 2 | 0.858233 | 0.851259 | 3.599482 | −8.032931 | −39.656931 |
3 | 0.858233 | −0.851259 | −3.599482 | −8.032931 | 39.656931 | |
2 | 03 | 1.362034 | −4.076805 | −1.813737 | 1.109695 | −14.135359 |
12 | 1.362034 | 4.076805 | 1.813737 | 1.109695 | 14.135359 | |
01 | 1.194275 | 5.206540 | 7.525051 | −17.639962 | 1.385740 | |
23 | 1.830597 | 0.626331 | −0.321247 | −4.302274 | 1.490707 | |
3 | 001 | 1.732553 | −5.282481 | 3.245260 | 0.268165 | −34.418329 |
011 | 1.732553 | 5.282481 | −3.245260 | 0.268165 | 34.418329 | |
003 | 1.821191 | −4.653735 | 2.777113 | −2.962048 | −38.837657 | |
112 | 1.821191 | 4.653735 | −2.777113 | −2.962048 | 38.837657 | |
132 | 2.211630 | 11.320228 | 14.639216 | −16.413004 | 25.186818 | |
023 | 2.211630 | −11.320228 | −14.639216 | −16.413004 | −25.186818 | |
021 | 1.968277 | −6.298304 | 3.295041 | 5.572765 | −20.401797 | |
013 | 1.968277 | 6.298304 | −3.295041 | 5.572765 | 20.401797 | |
223 | 2.766255 | 1.453074 | −0.422130 | 2.547336 | 1.463103 | |
233 | 2.766255 | −1.453074 | 0.422130 | 2.547336 | −1.463103 | |
012 | 2.207939 | 4.137109 | 5.676602 | −5.643553 | −9.306008 | |
031 | 2.207939 | −4.137109 | −5.676602 | −5.643553 | 9.306008 |
a | b | c | k | m | |||||
---|---|---|---|---|---|---|---|---|---|
5 | 1.082797 | 60 | 0.953492 | −2 | 0.880703 | −0.5 | 0.705715 | −40 | 0.996271 |
10 | 0.858233 | 80 | 0.911549 | 0 | 0.873372 | −0.3 | 0.821457 | −20 | 0.968155 |
15 | 0.729400 | 120 | 0.811395 | 2 | 0.864607 | 0.1 | 0.964986 | 10 | 0.799075 |
20 | 0.610639 | 140 | 0.771540 | 4 | 0.833397 | 0.5 | 1.140899 | 30 | 0.611363 |
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Dong, C.; Wang, J. Hidden and Coexisting Attractors in a Novel 4D Hyperchaotic System with No Equilibrium Point. Fractal Fract. 2022, 6, 306. https://doi.org/10.3390/fractalfract6060306
Dong C, Wang J. Hidden and Coexisting Attractors in a Novel 4D Hyperchaotic System with No Equilibrium Point. Fractal and Fractional. 2022; 6(6):306. https://doi.org/10.3390/fractalfract6060306
Chicago/Turabian StyleDong, Chengwei, and Jiahui Wang. 2022. "Hidden and Coexisting Attractors in a Novel 4D Hyperchaotic System with No Equilibrium Point" Fractal and Fractional 6, no. 6: 306. https://doi.org/10.3390/fractalfract6060306