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Adaptive H∞ synchronization of chaotic systems via linear and nonlinear feedback control |
Fu Shi-Hui(付士慧)a)†, Lu Qi-Shao(陆启韶)b), and Du Ying(杜莹)c) |
a. Department of Mathematics, Zhengzhou University, Zhengzhou 450001, China; b. School of Aeronautics Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China; c. School of Science, East China University of Science and Technology, Shanghai 200237, China |
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Abstract Adaptive H∞ synchronization of chaotic systems via linear and nonlinear feedback control is investigated. The chaotic systems are redesigned by using the generalized Hamiltonian systems and observer approach. Based on Lyapunov's stability theory, linear and nonlinear feedback control of adaptive H∞ synchronization is established in order to not only guarantee stable synchronization of both master and slave systems but also reduce the effect of external disturbance on an H∞-norm constraint. Adaptive H∞ synchronization of chaotic systems via three kinds of control is investigated with applications to Lorenz and Chen systems. Numerical simulations are also given to identify the effectiveness of the theoretical analysis.
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Received: 16 January 2012
Revised: 17 February 2012
Accepted manuscript online:
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PACS:
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05.45.Xt
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(Synchronization; coupled oscillators)
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05.45.Gg
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(Control of chaos, applications of chaos)
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05.45.-a
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(Nonlinear dynamics and chaos)
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Corresponding Authors:
Fu Shi-Hui
E-mail: fshtp@163.om
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Cite this article:
Fu Shi-Hui(付士慧), Lu Qi-Shao(陆启韶), and Du Ying(杜莹) Adaptive H∞ synchronization of chaotic systems via linear and nonlinear feedback control 2012 Chin. Phys. B 21 060507
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