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Mathematical Problems in Engineering
Volume 2013, Article ID 820280, 9 pages
Research Article

Dynamic Output Feedback Control for Nonlinear Networked Control Systems with Random Packet Dropout and Random Delay

1School of Mathematics and Statistics, Xidian University, Xi’an 710071, China
2School of Statistics, Xi’an University of Finance and Economics, Xi’an 710100, China

Received 6 April 2013; Accepted 9 October 2013

Academic Editor: Piermarco Cannarsa

Copyright © 2013 Shuiqing Yu 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.


This paper investigates the dynamic output feedback control for nonlinear networked control systems with both random packet dropout and random delay. Random packet dropout and random delay are modeled as two independent random variables. An observer-based dynamic output feedback controller is designed based upon the Lyapunov theory. The quantitative relationship of the dropout rate, transition probability matrix, and nonlinear level is derived by solving a set of linear matrix inequalities. Finally, an example is presented to illustrate the effectiveness of the proposed method.