Synchronisation of a fractional-order chaotic system using finite-time input-to-state stability

Chunlai Li and Jing Zhang

International Journal of Systems Science, 2016, vol. 47, issue 10, 2440-2448

Abstract: The issue of synchronisation for a fractional-order chaotic system with uncertainties and disturbance is studied in this paper. The finite-time input-to-state stable theory of fractional-order dynamical system is presented for the first time. A linear feedback controller is proposed to achieve synchronisation of this fractional-order system and guarantee the bounded state error for any bounded interference in finite time. Since the chaotic system displays special dynamical behaviours as invariable Lyapunov exponent spectrums and controllable signal amplitude, one can achieve complete synchronisation and projective synchronisation by only adjusting the system parameter. Numerical simulations are shown to verify the feasibility of the presented synchronisation scheme.

Date: 2016
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DOI: 10.1080/00207721.2014.998741

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