






Vol.2 , No. 6, Publication Date: Jan. 7, 2016, Page: 110-115
[1] | Maysoon M. Aziz, Department of Mathematics, College of Computer Sciences and Mathematics, University of Mosul, Mosul, Iraq. |
[2] | Saad F. AL-Azzawi, Department of Mathematics, College of Computer Sciences and Mathematics, University of Mosul, Mosul, Iraq. |
This paper is concerned with the problem of chaos control and synchronization for a novel 5-D hyperchaotic system, which is constructed by adding a feedback control to a 4-D hyperchaotic Lorenz system. Based on the Lyapunov stability theory and using nonlinear control technique with two different kinds of parameters (known and unknown parameters), and we designed control for each kind to perform control and synchronization of this system. However, in unknown parameters, we assume that Lyapunov function is always formed as , where
is the identity matrix. While we focused on selecting a suitable Lyapunov functions candidate that ensured asymptotically global stability in known parameters. Then, nonlinear control technique is better than adaptive and active nonlinear control because it deals with known and unknown parameters as well as to the design of more than control compared with the rest of the controls. Moreover, numerical simulations are offered to show the strength of the proposed theoretical results.
Keywords
A Novel 5-D Hyperchaotic Lorenz System, Control, Synchronization, Lyapunov Stability Theory, Nonlinear Control Technique
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