General methods for modified projective synchronization of hyperchaotic systems with known or unknown parameters |
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Authors: | Yang Tang Jian-an Fang |
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Institution: | School of Information Science and Technology, Donghua University, Songjiang District, Shanghai 201620, China |
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Abstract: | This work is concerned with the general methods for modified projective synchronization of hyperchaotic systems. A systematic method of active control is developed to synchronize two hyperchaotic systems with known parameters. Moreover, by combining the adaptive control and linear feedback methods, general sufficient conditions for the modified projective synchronization of identical or different chaotic systems with fully unknown or partially unknown parameters are presented. Meanwhile, the speed of parameters identification can be regulated by adjusting adaptive gain matrix. Numerical simulations verify the effectiveness of the proposed methods. |
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Keywords: | 05 45 Gg 05 45 Xt |
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