Networked Predictive Control of Systems With Random Network Delays in Both Forward and Feedback Channels
Guo-Ping Liu; Yuanqing Xia; Jie Chen; Rees, D.; Hu, W.
Industrial Electronics, IEEE Transactions on
Volume 54, Issue 3, June 2007 Page(s):1282 - 1297
Digital Object Identifier   10.1109/TIE.2007.893073
Summary:The design problem of networked control systems (NCS) with constant and random network delay in the forward and feedback channels, respectively, is considered in this paper. A novel networked predictive control (NPC) scheme is proposed to overcome the effects of network delay and data dropout. Stability criteria of closed-loop NPC systems are presented. The necessary and sufficient conditions for the stability of closed-loop NCS with constant time delay are given. Furthermore, it is shown that a closed-loop NPC system with bounded random network delay is stable if its corresponding switched system is stable. Both simulation study and practical experiments show the effectiveness of the control scheme

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