Fuzzy adaptive synchronization of uncertain chaotic systems |
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Institution: | 1. Department of Electrical and Electronic Engineering, Yonsei University, 134 Shinchon-dong, Sudaemoon-gu, Seoul 120-749, South Korea;2. Precision Machinery Research Center, Korea Electronics Technology Institute, 203-103 B/D 192, Yakdae-dong, Wonmi-gu, Puchon-si, Kyunggi-do 420-140, South Korea |
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Abstract: | This Letter presents an adaptive approach for synchronization of Takagi–Sugeno (T–S) fuzzy chaotic systems. Since the parameters of chaotic system are assumed unknown, the adaptive law is derived to estimate the unknown parameters and its stability is guaranteed by Lyapunov stability theory. The control law to be designed consists of two parts: one part that can stabilize the synchronization error dynamics and the other part that estimates the unknown parameters. Numerical examples are given to demonstrate the validity of the proposed adaptive synchronization approach. |
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