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Feedback stabilization over wireless network using adaptive coded modulation

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Abstract

In this paper, we apply adaptive coded modulation (ACM) schemes to a wireless networked control system (WNCS) to improve the energy efficiency and increase the data rate over a fading channel. To capture the characteristics of varying rate, interference, and routing in wireless transmission channels, the concepts of equivalent delay (ED) and networked condition index (NCI) are introduced. Also, the analytic lower and upper bounds of EDs are obtained. Furthermore, we model the WNCS as a multicontroller switched system (MSS) under consideration of EDs and loss index in the wireless transmission. Sufficient stability condition of the closed-loop WNCS and corresponding dynamic state feedback controllers are derived in terms of linear matrix inequality (LMI). Numerical results show the validity and advantage of our proposed control strategies.

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Authors and Affiliations

  1. Department of Electrical Engineering, University of Yanshan, Qinhuangdao, 066004, PRC

    Li Yang, Xin-Ping Guan, Cheng-Nian Long & Xiao-Yuan Luo

Authors
  1. Li Yang
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  2. Xin-Ping Guan
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  3. Cheng-Nian Long
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  4. Xiao-Yuan Luo
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Corresponding author

Correspondence to Xin-Ping Guan.

Additional information

This work was supported by National Outstanding Youth Foundation (No. 60525303), National Natural Science Foundation of China (No. 60404022, 60704009), and Natural Science Foundation of Hebei Province (No. F2005000390, F2006000270).

Li Yang received the B.Eng. degree and the master degree from the Department of Electrical Engineering, Yanshan University, PRC, in 2004 and 2006, respectively. She is currently a Ph. D. candidate in Yanshan University.

Her research interests include time-delay systems and networked control systems.

Xin-Ping Guan received the master degree in applied mathematics from Harbin Institute of Technology, PRC, in 1991, and the Ph.D. degree in electrical engineering from Harbin Institute of Technology, PRC, in 1999. Since 1986, he has been with Yanshan University, PRC, where he is currently a professor of control theory and control engineering.

His research interests include robust congestion control in communication network, chaos control, and networked control system.

Cheng-Nian Long received the M. Sc. and Ph.D. degrees from the Department of Electrical Engineering, Yanshan University, in 2001 and 2004, respectively. He is currently an associate professor in Yanshan University.

His research interests include active queue management, TCP congestion control for wireless network, and streaming media protocol, networked control systems.

Xiao-Yuan Luo received the M. Sc. and Ph.D. degrees from the Department of Electrical Engineering, Yanshan University, PRC, in 2001 and 2004, respectively. He is currently an associate professor in Yanshan University.

His research interests include fault detection and fault tolerant control, multi-agent, and networked control systems.

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Yang, L., Guan, XP., Long, CN. et al. Feedback stabilization over wireless network using adaptive coded modulation. Int. J. Autom. Comput. 5, 381–388 (2008). https://doi.org/10.1007/s11633-008-0381-8

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  • DOI: https://doi.org/10.1007/s11633-008-0381-8

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