A Novel Chaotic System With Boomerang-Shaped Equilibrium, Its Circuit Implementation and Application to Sound Encryption

Springer Science and Business Media LLC - Tập 43 - Trang 1-12 - 2018
Saleh Mobayen1, Sundarapandian Vaidyanathan2, Aceng Sambas3, Sezgin Kaçar4, Ünal Çavuşoğlu5
1Department of Electrical Engineering, Faculty of Engineering, University of Zanjan, Zanjan, Iran
2Research and Development Centre, Vel Tech University, Chennai, Avadi, India
3Department of Mechanical Engineering, Universitas Muhammadiyah Tasikmalaya, Tasikmalaya, Indonesia
4Department of Electrical and Electronics Engineering, Sakarya University, Sakarya, Turkey
5Department of Computer Engineering, Sakarya University, Sakarya, Turkey

Tóm tắt

In the chaos literature, there has been much attention paid to chaotic systems with uncountable equilibrium points such as systems with line equilibrium, curve equilibrium. This paper reports a 3-D chaotic system with a closed curve of equilibrium points, which has the shape of a boomerang. Dynamics of the chaotic system with the boomerang equilibrium has been studied by using phase portraits, bifurcation diagram, Lyapunov exponents and Lyapunov dimension. Also, we design an electronic circuit implementation of the theoretical system to check its feasibility. As an application of the new chaotic system, we have derived new results for sound encryption with the new chaotic system.

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