Discrete Dynamics in Nature and Society
Volume 2006 (2006), Article ID 14631, 8 pages
Some results on cascade discrete-time systems
1Department of Mathematics, Huazhong University of Science and Technology, Wuhan 430074, China
2Department of Control Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Received 16 September 2005; Accepted 5 December 2005
Copyright © 2006 Xiao-Ming Bai et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
We present sufficient conditions for global asymptotic stability of cascade discrete-time systems. Considering failure of the global asymptotic stability in some cascade systems, we give an estimate of the region of attraction of the systems.