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.
Fac. of Adv. Technol., Univ. of Glamorgan, Pontypridd;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: June 2007
Volume: 54,
Issue: 3
On page(s): 1282-1297
ISSN: 0278-0046
INSPEC Accession Number: 9477510
Digital Object Identifier: 10.1109/TIE.2007.893073
Current Version Published: 2007-04-10
Abstract
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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