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    • Keywords


      Fractional-order chaotic system; complex projective synchronisation; parameter modulation; chaotic secure communication

    • Abstract


      In this paper, a passive control scheme based on the fractional-order calculus is proposed.We study the modified complex projective synchronisation between two identical fractional-order complex chaotic systems, and its application in the secure communication. The fractional-order complex chaotic Lorenz system is employed to encrypt the emitted signal. In the transmitter module, the information signal is modulated into one parameter of the Lorenz system. It is assumed that the same parameter is unknown in the receiver module. In order to synchronise two systems with different initial conditions, the controllers and an appropriate parameter update rule are designed. Theoretical analysis and numerical simulations show that this method is feasible and robust to some extent in thepresence of channel noise.

    • Author Affiliations



      1. Department of Electrical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad (FUM) Campus, Azadi Sq., P.O. Box 9177948974, Mashhad, Khorasan Razavi, Iran
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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