Journal
NONLINEAR DYNAMICS
Volume 78, Issue 2, Pages 1033-1047Publisher
SPRINGER
DOI: 10.1007/s11071-014-1494-y
Keywords
CNN; Canonical Chua's circuit; Synchronization; Communication
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Funding
- University Grants Commission (UGC) through RFSMS scheme
- DST, Govt. of India through Bharathidasan University DST-PURSE programme
- DST, Govt. of India [SR/S2/HEP-015/2010]
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In this paper, an experimental implementation of State Controlled Cellular Neural Network (SC-CNN)-based canonical Chua's circuit is presented. Two such electronic circuits are realized. One of the circuits is configured as driver or transmitter, and other circuit is configured as response or receiver system. Synchronization of chaos between the driver and the driven system is demonstrated. The conditions under which complete synchronization is ensured are derived by applying a strategy based on the Master Stability Function and Lyapunov function. We show that transmitter and receiver systems consisting of cascaded SC-CNN-based canonical Chua's oscillator can synchronize when they are coupled using direct information from the transmitter into the receiver. The communication performances of different information signals such as sinusoidal, square, and speech signals are demonstrated by real-time hardware experiments. The experimentally observed results are in agreement with the numerically obtained results, and they closely match with each other.
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