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Journal of Applied Nonlinear Dynamics
Miguel A. F. Sanjuan (editor), Albert C.J. Luo (editor)
Miguel A. F. Sanjuan (editor)

Department of Physics, Universidad Rey Juan Carlos, 28933 Mostoles, Madrid, Spain

Email: miguel.sanjuan@urjc.es

Albert C.J. Luo (editor)

Department of Mechanical and Industrial Engineering, Southern Illinois University Ed-wardsville, IL 62026-1805, USA

Fax: +1 618 650 2555 Email: aluo@siue.edu


Difference-Difference Synchronizations of Chaotic and Hyperchaotic Systems

Journal of Applied Nonlinear Dynamics 11(2) (2022) 487--497 | DOI:10.5890/JAND.2022.06.015

Eric Donald Dongmo$^{1,2, 3}$, Kayode Stephen Ojo$^{2}$, Paul Woafo$^{3 }$, Abdulahi Ndzi Njah$^{2}$

$^{1}$ Department of Mechanical Engineering, College of Technology, University of Buea, P. O. Box 63. Buea,

Cameroon

$^{2 }$ Department of Physics, University of Lagos, Akoka, Yaba, Lagos, Nigeria

$^3$ Laboratory of Modeling and Simulation in Engineering, Biomimetics and Prototypes and TWAS Research

, Cameroon

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Abstract

This paper investigates a new synchronization Difference-Difference Synchronization (DDS), based on drive response configuration via the active backstepping technique. In this new synchronization scheme, the difference between the state variables of two master systems synchronizes with the difference between the state variables of two response systems. The proposed DDS scheme is investigated using four chaotic systems and four hyperchaotic systems evolving from different initial conditions. The analytical and numerical simulations show the feasibility and the effectiveness of the proposed synchronization scheme.

Acknowledgments

Eric Donald Dongmo thanks the African-German Network of Excellence in Science (AGNES) for granting a Mobility Grant in 2016; the Grant is generously sponsored by German Federal Ministry of Education and Research and supported by the Alexander von Humboldt Foundation.

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