A memristor-based system with hidden hyperchaotic attractors, its circuit design, synchronisation via integral sliding mode control and an application to voice encryption
by Sundarapandian Vaidyanathan; Ahmad Taher Azar; Akif Akgul; Chang-Hua Lien; Sezgin Kacar; Unal Cavusoglu
International Journal of Automation and Control (IJAAC), Vol. 13, No. 6, 2019

Abstract: A memristor-based system with hyperchaos and hidden attractors is introduced in this research work. The proposed four-dimensional memristor-based system exhibits both line equilibrium and no-equilibrium for different choice of parameters. An experimental emulation of the memristor-based system is carried out by an electronic circuit. An adaptive integral sliding mode controller is designed for globally synchronising a pair of memristor-based hyperchaotic systems with unknown parameters. As another application, the memristive system with hyperchaos is applied for voice encryption, which has potential applications in cryptosystems, computing and secure communication.

Online publication date: Wed, 10-Jul-2019

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