Projective Synchronization of The Modified Fractional-Order Hyperchaotic R\"{o}ssler System and Its Application in Secure Communication

Year 2021, Volume: 4 Issue: 2, 50 - 58, 30.06.2021

Smail Kaouache

https://doi.org/10.32323/ujma.739649

Cited By: 2

Abstract

In this paper, we propose a new approach to investigate the chaos projective synchronization of the modified fractional-order hyperchaotic Rossler system and its application in secure communication. The proposed communication system consists of four main elements including: modulation, master system, slave system and demodulation. The main idea of this approach is to inject the bounded or unbounded message into one of the parameters of the proposed system using the exponential function. However, the way of injecting the message in the modulation parameter must not remove the hyperchaotic character of the signal sent to the slave system. The slave system adaptively synchronizes with the master system, and the information signal can be recovered. Based on the Lyapunov stability theory, an adaptation laws and adaptive control are designed to achieve projection synchronization of the modified system. Numerical simulations are performed to show the feasibility of the proposed secure communication scheme.

Keywords

Adaptative control , Chaotic systems , Fractional-order , Lyapunov stability , Projective synchronization

Supporting Institution

This research was supported by the Algerian General Directorate for Scientific Research and Technological Development (DG-RSDT).

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