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题名: STABILITY AND STABILIZATION OF NETWORKED CONTROL SYSTEMS UNDER LIMITED COMMUNICATION CAPACITY AND VARIABLE SAMPLING
作者: Liu YY(刘英英) ; Che WW(车伟伟) ; Chu YK(褚云凯)
作者部门: 工业控制网络与系统研究室
关键词: Networked control systems ; quantization ; time-varying delays ; time-varying sampling
刊名: ASIAN JOURNAL OF CONTROL
ISSN号: 1561-8625
出版日期: 2014
卷号: 16, 期号:4, 页码:1202-1212
收录类别: SCI ; EI
产权排序: 2
摘要: This paper investigates the problem of quantized feedback control for networked control systems (NCSs) with time-varying delays and time-varying sampling intervals, wherein the physical plant is a continuous-time, and the control input is a discrete-time signal. By using an input delay approach and a sector bound method, the network induced delays, the signal quantization and sampling intervals are presented in one framework in the case of the state and the control input by quantization in a logarithmic form. We exploit a novel Lyapunov functional with discontinuity, taking full advantage of the NCS characteristic information including the bounds of delays, the bounds of sampling intervals and quantization parameters. In addition, it has been shown that the Lyapunov functional is decreased at the jump instants. Furthermore, we use the Leibniz-Newton formula and free-weighting matrix method to obtain the stability analysis and stabilization conditions which are dependent on the NCS characteristic information. The proposed stability analysis and stabilizing controller design conditions can be presented in term of linear matrix inequalities, which have less conservativeness and less computational complexity. Four examples demonstrate the effectiveness of the proposed methods.
WOS记录号: WOS:000339476600024
WOS标题词: Science & Technology ; Technology
类目[WOS]: Automation & Control Systems
关键词[WOS]: H-INFINITY CONTROL ; FEEDBACK-CONTROL ; DELAY APPROACH ; QUANTIZATION
研究领域[WOS]: Automation & Control Systems
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15217
Appears in Collections:工业控制网络与系统研究室_期刊论文

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