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变形蔡氏混沌系统及其电路实现

DOI: 10.13190/j.jbupt.2015.01.007, PP. 36-39

Keywords: 混沌,变形蔡氏电路,多涡卷,混沌吸引子,硬件电路

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Abstract:

典型蔡氏电路中引入符号函数代替原有蔡氏二极管,构建了一个能产生多涡卷混沌吸引子的变形蔡氏混沌系统模型.构造方法是使该函数中的每个平衡点分别位于相邻两个转折点的正中间,并且保持混沌吸引子中涡卷与键带的相互间置.该模型的动力学分析和Matlab数值仿真表明,该系统能够产生10涡卷混沌吸引子.最后,设计了硬件电路并且给出了最多10个涡卷的硬件电路实验结果.硬件实验结果与理论分析和仿真分析完全吻合,进一步证实了该系统的存在.

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