Journal
ENTROPY
Volume 21, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/e21030287
Keywords
hidden attractor; hyperchaotic system; multistability; entropy analysis
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Funding
- Natural Science Research Youth Project of the Department of Education of Guizhou Province of China [KY [2015] 465, KY [2015] 470]
- Tripartite Joint Funds for Science and Technology Department of Guizhou Province of China [LH [2015] 7698, LH [2015] 7697]
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This paper presents a new no-equilibrium 4-D hyperchaotic multistable system with coexisting hidden attractors. One prominent feature is that by varying the system parameter or initial value, the system can generate several nonlinear complex attractors: periodic, quasiperiodic, multiple topology chaotic, and hyperchaotic. The dynamics and complexity of the proposed system were investigated through Lyapunov exponents (LEs), a bifurcation diagram, a Poincare map, and spectral entropy (SE). The simulation and calculation results show that the proposed multistable system has very rich and complex hidden dynamic characteristics. Additionally, the circuit of the chaotic system is designed to verify the physical realizability of the system. This study provides new insights into uncovering the dynamic characteristics of the coexisting hidden attractors system and provides a new choice for nonlinear control or chaotic secure communication technology.
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