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Nonlinear Dynamics

, Volume 69, Issue 4, pp 1929–1939 | Cite as

Nonlinear state-observer control for projective synchronization of a fractional-order hyperchaotic system

  • Ling Liu
  • Deliang Liang
  • Chongxin Liu
Original Paper

Abstract

In this paper, we consider an observer-based control approach for manipulating projective synchronization of nonlinear systems in high dimensional. Based on the stability theory of the fractional-order dynamical system, a nonlinear state observer is designed which can achieve projective synchronization in a class of high dimensional fractional-order hyperchaotic systems without restriction of partial-linearity and calculating the Lyapunov index of system. Simulation studies are included to demonstrate the effectiveness and feasibility of the proposed approach and synthesis procedures.

Keywords

Fractional-order Hyperchaotic system Nonlinear state observer Projective synchronization 

Notes

Acknowledgements

This work was supported by State key Laboratory of Electrical Insulation and Power Equipment (No. EIPE12312), National Natural Science Foundation of China (Grant Nos. 51177117, 51177125) and Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) (No. 20100201110023).

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  1. 1.State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical EngineeringXi’an Jiaotong UniversityXi’anChina

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