Journal
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
Volume 38, Issue 4, Pages 726-737Publisher
WILEY
DOI: 10.1002/mma.3103
Keywords
timedelayed systems; Lyapunov-Krasovskii functional; chaos; synchronization
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Funding
- TCS Research Scholar Program, Tata Consultancy Services Limited, INDIA
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The present article aims to study the projective synchronization between two identical and nonidentical timedelayed chaotic systems with fully unknown parameters. Here the asymptotical and global synchronization are achieved by means of adaptive control approach based on Lyapunov-Krasovskii functional theory. The proposed technique is successfully applied to investigate the projective synchronization for the pairs of timedelayed chaotic systems amongst advanced Lorenz system as drive system with multiple delay Rossler system and timedelayed Chua's oscillator as response system. An adaptive controller and parameter update laws for unknown parameters are designed so that the drive system is controlled to be the response system. Numerical simulation results, depicted graphically, are carried out using Runge-Kutta Method for delaydifferential equations, showing that the design of controller and the adaptive parameter laws are very effective and reliable and can be applied for synchronization of timedelayed chaotic systems. Copyright (c) 2014 John Wiley & Sons, Ltd.
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