Author： Wang Zhonglin Ma Jian Chen Zengqiang Zhang Qing
Publisher： MDPI
E-ISSN： 1099-4300|17|8|5561-5579
ISSN： 1099-4300
Source： Entropy, Vol.17, Iss.8, 2015-08, pp. : 5561-5579
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Abstract
This paper introduces a new simple system with a butterfly chaotic attractor. This system has rich and complex dynamics. With some typical parameters, its Lyapunov dimension is greater than other known three dimensional chaotic systems. It exhibits chaotic behavior over a large range of parameters, and the divergence of flow of this system is not a constant. The dynamics of this new system are analyzed via Lyapunov exponent spectrum, bifurcation diagrams, phase portraits and the Poincaré map. The compound structures of this new system are also analyzed. By means of topological horseshoe theory and numerical computation, the Poincaré map defined for the system is proved to be semi-conjugate to 3-shift map, and thus the system has positive topological entropy.
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