摘要:
在三维线性系统中引入两个分段线性函数,构造了一个代数方程较为简单的网格涡卷混沌系统.通过对引入的锯齿波函数和改进型锯齿波函数的零点配置,完成了该系统指数2平衡点的数量和分布设计,实现了系统所生成混沌吸引子的涡卷数量和涡卷分布的控制.利用运算放大器、乘法器等模拟元器件设计了相应的锯齿波函数电路、改进型锯齿波函数电路以及三维线性系统电路,实现了本文所提出的网格涡卷混沌系统.实验结果与理论分析和数值仿真结果一致,验证了混沌吸引子的涡卷数量和涡卷分布设计的可行性.
Abstract:
Through introducing two piecewise-linear functions into a three-dimensional linear system, a grid-scroll chaotic system with relatively simple algebraic of system structure is constructed. By deploying the zero points of the introduced saw-tooth function and modified saw-tooth function, the designs of the number and the distribution of the index-2 equilibrium points of the system are performed, and the controls of the scroll number and the scroll distribution of the chaotic attractor generated from the system are achieved. By using analog components such as operational amplifier, multiplier, etc., the saw-tooth function circuit, the modified saw-tooth function circuit and the three-dimensional linear system circuit are designed and the proposed grid-scroll chaotic system is implemented. The experimental results are in agreement with both theoretical analyses and numerical simulations, which verify the feasibility of the designs of the scroll number and scroll distribution of chaotic attractors.
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