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题名: Sampling and control strategy: Networked control systems subject to packet disordering
作者: Li JN(李金娜); Er, Meng Joo; Yu HB(于海斌)
作者部门: 工业控制网络与系统研究室
刊名: IET Control Theory and Applications
ISSN号: 1751-8644
出版日期: 2016
卷号: 10, 期号:6, 页码:674-683
收录类别: SCI ; EI
产权排序: 3
项目资助者: National Natural Science Foundation of China under grants 61104093, 61525302, 61333012, 61304028, 61590922, 61503257 and the Program for Liaoning Province Distinguished Scholars in University of China under grant LJQ2015088.
摘要: This study proposes a novel sampling and control strategy to find a suboptimal sampling period sequence and control input sequence, such that a quadratic cost function of state and control input of a networked control system (NCS) with packet disordering is minimised. First, a discrete-time system model of the NCS with packet disordering, transmission delay and packet loss in terms of displacement values of packets is put forward. Second, a linear quadratic regulation (LQR) problem of the NCS is formulated, showing that the optimal controller depends on sampling period and quality of services (QoS) of networks. Interactive effects between sampling period and QoS of networks pose a challenge in solving the LQR problem of the NCS. To overcome this difficulty, different from traditional transmission-delay-based or packet-loss-based sampling scheme, a novel packet-disordering-based sampling period selection scheme is proposed. Furthermore, an algorithm is presented to find a suboptimal solution to the LQR problem in this study. Finally, simulation results demonstrate the effectiveness of the proposed approach.
语种: 英语
WOS记录号: WOS:000377020500008
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/18492
Appears in Collections:工业控制网络与系统研究室_期刊论文

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Li JN,Er, Meng Joo,Yu HB. Sampling and control strategy: Networked control systems subject to packet disordering[J]. IET Control Theory and Applications,2016,10(6):674-683.
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