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In this paper, an experimental realization of chaotic synchronization through nonlinear coupling is presented. This proposed novel method is illustrated in the inductor-free analog model of the Chua’s circuit with… Click to show full abstract
In this paper, an experimental realization of chaotic synchronization through nonlinear coupling is presented. This proposed novel method is illustrated in the inductor-free analog model of the Chua’s circuit with threshold nonlinearity. By choosing a different nonlinear coupling, i.e., max (x), min (x), pair of diodes, superdiode and threshold-limited control in bidirectionally coupled systems, we observe different kinds of synchronization. The dynamics of the coupled chaotic system is corroborated through numerical and experimental studies. Further, we show the feasibility of the proposed model for chaos-based secure communication via a threshold-limited coupling. The communication performance of different signal, namely sine and pulse amplitude modulation signal, is demonstrated and verified using multisim circuit simulation.
Journal Title: Journal of Computational Electronics
Year Published: 2017
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