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带有时延和量化的网络控制系统的故障检测 被引量:2
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作者 龙跃 杨光红 《中国科技论文》 CAS 北大核心 2012年第1期64-68,78,共6页
讨论了当网络控制系统存在时变时延和量化情况下的有限频故障检测问题。首先将此类网络控制系统建模成带有量化误差的线性时滞系统;其次给出了有限频H∞性能的定义,并且将所要研究的问题转化为带有有限频扰动的滤波问题。随后给出了线... 讨论了当网络控制系统存在时变时延和量化情况下的有限频故障检测问题。首先将此类网络控制系统建模成带有量化误差的线性时滞系统;其次给出了有限频H∞性能的定义,并且将所要研究的问题转化为带有有限频扰动的滤波问题。随后给出了线性时滞系统能够达到一定的有限频H∞性能的充分条件,并根据所得的条件,设计了故障检测滤波器;最后,仿真算例验证了所提方法的有效性。 展开更多
关键词 故障检测 网络控制系统 网络诱导时变时延 量化 有限频
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Stability of Networked Control Systems Based on Free-Weighting Matrices Method
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作者 袁智 王常虹 +1 位作者 李清华 闻帆 《Journal of Donghua University(English Edition)》 EI CAS 2009年第6期598-602,共5页
A new method of modeling discrete networked control systems with both the time-varying delay and packet loss was presented in this paper.The network-induced delay is time-varying and it can be smaller or larger than o... A new method of modeling discrete networked control systems with both the time-varying delay and packet loss was presented in this paper.The network-induced delay is time-varying and it can be smaller or larger than one sampling period.The feedback controller was designed by free-weighting matrices method and Lyapunov-Krasovskii functional to make the networked control system asymptotically stable.And sufficient conditions were derived.A numerical example is given to illustrate the effectiveness of the proposed approach. 展开更多
关键词 netzvorked control free-weighting matrices packet loss time-varying delay
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