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Mathematical Problems in Engineering
Volume 2013, Article ID 382934, 11 pages
Research Article

Performance of Networked Control Systems

1State Key Laboratory of Synthetical Automation of Process Industry, Northeastern University, Shenyang, Liaoning 110004, China
2School of Automation, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China

Received 6 February 2013; Accepted 16 April 2013

Academic Editor: Yang Yi

Copyright © 2013 Yingwei Zhang 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.


Data packet dropout is a special kind of time delay problem. In this paper, predictive controllers for networked control systems (NCSs) with dual-network are designed by model predictive control method. The contributions are as follows. (1) The predictive control problem of the dual-network is considered. (2) The predictive performance of the dual-network is evaluated. (3) Compared to the popular networked control systems, the optimal controller of the new NCSs with data packets dropout is designed, which can minimize infinite performance index at each sampling time and guarantee the closed-loop system stability. Finally, the simulation results show the feasibility and effectiveness of the controllers designed.