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Induced Synchronization of Chaos-Chaos Intermittency Maintaining Asynchronous State of Chaotic Orbits by External Feedback Signals

Sou NOBUKAWA, Haruhiko NISHIMURA, Teruya YAMANISHI, Hirotaka DOHO

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Summary :

It is well-known that chaos synchronization in coupled chaotic systems arises from conditions with specific coupling, such as complete, phase, and generalized synchronization. Recently, several methods for controlling this chaos synchronization using a nonlinear feedback controller have been proposed. In this study, we applied a proposed reducing range of orbit feedback method to coupled cubic maps in order to control synchronization of chaos-chaos intermittency. By evaluating the system's behavior and its dependence on the feedback and coupling strength, we confirmed that synchronization of chaos-chaos intermittency could be induced using this nonlinear feedback controller, despite the fact that the asynchronous state within a unilateral attractor is maintained. In particular, the degree of synchronization is high at the edge between the chaos-chaos intermittency parameter region for feedback strength and the non-chaos-chaos intermittency region. These characteristics are largely maintained on large-scale coupled cubic maps.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E102-A No.3 pp.524-531
Publication Date
2019/03/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E102.A.524
Type of Manuscript
PAPER
Category
Nonlinear Problems

Authors

Sou NOBUKAWA
  Chiba Institute of Technology
Haruhiko NISHIMURA
  University of Hyogo
Teruya YAMANISHI
  Fukui University of Technology
Hirotaka DOHO
  University of Hyogo,Kochi University

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