科研之友
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摘要
This article introduces a new chaotic system of 4-D autonomous ordinary differential equations, which has no equilibrium. This system shows a hyper-chaotic attractor. There is no sink in this system as there is no equilibrium. The proposed system is investigated through numerical simulations and analyses including time phase portraits, Lyapunov exponents, and Poincar, maps. There is little difference between this chaotic system and other chaotic systems with one or several equilibria shown by phase portraits, Lyapunov exponents and time series methods, but the Poincar, maps show this system is a chaotic system with more complicated dynamics. Moreover, the circuit realization is also presented.
- 出版日期2012-7
- 单位天津科技大学
