Analysis of Pinning Controlling Spatiotemporal Chaos of Unsymmetrical Coupled Map Lattice

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 1999, Vol. 22 ›› Issue (3): 50-54.

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Analysis of Pinning Controlling Spatiotemporal Chaos of Unsymmetrical Coupled Map Lattice

Li Xiangming，Xiao Jinghua Zhu Hongbo

Correspondence College, Beijing University of Posts and Telecommunications, Beijing 100088；
Department of Basic Science, Beijing University of Posts and Telecommunications, Beijing 100876

Received:1998-12-23 Online:1999-07-10

Abstract

Abstract: Controlling spatiotemporal chaos in unsymmetrical coupled map lattice is investigated. The stability of the CML with pinning controlling is analyzed with linear analysis, and thecoupled gradient effect on controlling efficiency is analyzed also. The smallestpinning density for controlling a CML to some desired states is given. And the numerical simulations are given. Pinning controlling for unsymmetrical system in more effective then symmetrical system. With same pinning density, the controllingregion is increase with the coupled grade increase.

Key words: chaos, spatiotemporal chaos, pinning control

CLC Number:

O322

Li Xiangming，Xiao Jinghua Zhu Hongbo. Analysis of Pinning Controlling Spatiotemporal Chaos of Unsymmetrical Coupled Map Lattice[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 1999, 22(3): 50-54.

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Analysis of Pinning Controlling Spatiotemporal Chaos of Unsymmetrical Coupled Map Lattice

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