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Volume 33 Issue 4
May  2011
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Zheng Hao-Zhou, Hu Jin-Feng, Xu Wei, Liu Li-Dong, He Zi-Shu. Study on Synchronization of a New Class of Hyperchaotic Systems Using Nonlinear Feedback Control[J]. Journal of Electronics & Information Technology, 2011, 33(4): 844-848. doi: 10.3724/SP.J.1146.2010.00807
Citation: Zheng Hao-Zhou, Hu Jin-Feng, Xu Wei, Liu Li-Dong, He Zi-Shu. Study on Synchronization of a New Class of Hyperchaotic Systems Using Nonlinear Feedback Control[J]. Journal of Electronics & Information Technology, 2011, 33(4): 844-848. doi: 10.3724/SP.J.1146.2010.00807

Study on Synchronization of a New Class of Hyperchaotic Systems Using Nonlinear Feedback Control

doi: 10.3724/SP.J.1146.2010.00807
  • Received Date: 2010-08-05
  • Rev Recd Date: 2010-11-11
  • Publish Date: 2011-04-19
  • The hyperchaotic system, composed of high and slow frequency part, is robust to strong noise. If the conventional synchronization algorithms are used in this system, the convergence rate of synchronization is slow and synchronization performances are sensitive to the parameters of response system. To resolve the problems, the synchronization algorithm using nonlinear feedback control is proposed, according to Hurwitz stability theory, designing a nonlinear controller can make the real parts of the eigenvalues of the error equations Jacobian matrix negative and the absolutes of the eigenvalues large. So the convergence rate of synchronization is faster than that of conventional synchronization, besides, it has the advantage of parameters insensitivity. Finally, numerical simulations are given to verify the effectiveness of the proposed methods.
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