Stabilization of spiral wave and turbulence in the excitable media using parameter perturbation scheme

被引：0
|
作者：
马军 [1 ,2 ]
王春妮 [1 ]
靳伍银 [3 ]
李延龙 [1 ]
蒲忠胜 [1 ]
机构：
[1] Department of Physics, Lanzhou university of Technology
[2] Department of Physics, Central China Normal University
[3] Colleges of Mechano-Electronic Engineering, Lanzhou University of Technology
来源：
Chinese Physics B | 2008年 / 17卷 / 08期
基金：
中国国家自然科学基金;
关键词：
spiral wave; spiral turbulence; parameter perturbation;
D O I：
暂无
中图分类号：
O415.5 [混沌理论];
学科分类号：
摘要：
This paper proposes a scheme of parameter perturbation to suppress the stable rotating spiral wave, meandering spiral wave and turbulence in the excitable media, which is described by the modified Fitzhugh–Nagumo (MFHN) model. The controllable parameter in the MFHN model is perturbed with a weak pulse and the pulse period is decided by the rotating period of the spiral wave approximatively. It is confirmed that the spiral wave and spiral turbulence can be suppressed greatly. Drift and instability of spiral wave can be observed in the numerical simulation tests before the whole media become homogeneous finally.
引用
收藏
页码：2844 / 2849
页数：6
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