| Original Articles |
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An Anti-Control Scheme for Spiral under Lorenz Chaotic Signals |
| MA Jun1,2;YING He-Ping1;PU Zhong-Sheng2 |
| 1Zhejiang Institute of Modern Physics, Zhejiang University, Hangzhou 310027
2Department of Physics, School of Science, Lanzhou University of Technology, Lanzhou 730050 |
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| Cite this article: |
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MA Jun, YING He-Ping, PU Zhong-Sheng 2005 Chin. Phys. Lett. 22 1065-1068 |
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Abstract The Fitzhugh--Nagumo (FHN) equation is used to generate spiral and spatiotemporal chaos. The weak Lorenz chaotic signal is imposed on the system locally and globally. It is found that for the right chaotic driving signal, spiral and spatiotemporal chaos can be suppressed. The simulation results also show that this anti-control scheme is effective so that the system emerges into the stable states quickly after a short duration of chaotic driving (about 50 time units) and the continuous driving keeps the system in a homogeneous state.
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| Keywords:
05.45.Gg
05.45.-a
47.54.+r
82.40.Ck
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Published: 01 May 2005
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| PACS: |
05.45.Gg
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(Control of chaos, applications of chaos)
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05.45.-a
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(Nonlinear dynamics and chaos)
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47.54.+r
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82.40.Ck
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(Pattern formation in reactions with diffusion, flow and heat transfer)
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