Adaptive multi switching combination synchronization of chaotic systems with unknown parameters

Adaptive control method is used to investigate the multi switching combination synchronization (MSCS) between three non identical chaotic systems with fully unknown parameters. In MSCS, the state variables of two drive systems synchronize with different state variables of response system, simultaneously. The Ritikate and Windmi chaotic systems are taken as drive systems and Chen system is taken as response system in the presence of unknown parameters. Some cases of multi switching modified projective synchronization among chaotic systems are obtained as special cases of MSCS. Using Lyapunov stability theory and adaptive control technique, sufficient condition is obtained for attaining the desired theoretical results. Numerical simulations are performed using MATLAB to verify the results.

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