Feedback control of wave segments in an excitable medium |
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| Authors: | Wu Ning-Jie Gao Hong-Jun and Ying He-Ping |
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| Affiliation: | [1]Jiangsu Key Laboratory for Numerical Simulation of Large Scale Complex Systems, School of Mathematical Sciences, Nanjing Normal University, Nanjing 210046, Ch/na [2]Institute of Modern Physics and Department of Physics, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | Depending on the excitability of the medium, a propagating wave segment will either contract or expand to fill the medium with spiral waves. This paper aims to introduce a simple mechanism of feedback control to stabilize such an expansion or contraction. To do this, we lay out a feedback control system in a block diagram and reduce it into a bare, universal formula. Analytical and experimental findings are compared through a series of numerical simulations of the Barkley model. |
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| Keywords: | feedback control wave segments excitable medium |
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