分组时延和丢包情况下网络控制系统的离散时间建模方法

IF 1.7 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS
Kamran Mohajeri, Ali Madadi, Babak Tavassoli, Wan Rahiman
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引用次数: 0

摘要

网络控制系统的模型和控制技术可分为连续时间型和离散时间型。与连续时间分析不同,关于网络控制系统在数据包延迟和丢失情况下的离散时间分析和控制的文献显示了各种不同的模型。然而,文献中缺乏对这些模型的系统研究。本文是这些模型的方法论。讨论了制作这种品种所涉及的不同因素。对这些模型进行了描述,并展示了它们是如何不同或相互关联的。这些模型来自现有文献。然而,为了完成该方法,作者引入了一些模型。此外,引入了序列矩阵的概念,这有助于区分一些模型,并且在将NCS作为切换线性系统进行分析时应该考虑序列矩阵。该方法可作为网络控制系统分析和设计中选择合适模型的依据。拒绝服务(DoS)攻击和时延切换(TDS)攻击可以分别被认为是数据包丢失和数据包延迟。因此,该方法也可以用于这些网络物理攻击下的网络控制系统的分析和设计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Discrete-time modelling methodology of networked control systems under packet delay and dropout

Discrete-time modelling methodology of networked control systems under packet delay and dropout

Models and control techniques for networked control systems (NCSs) can be divided into continuous-time and discrete-time types. Unlike the continuous-time analysis, literature on discrete-time analysis and control of NCSs under packet delay and dropout shows a variety of different models. However, a systematic study of these models is absent in the literature. This article is a methodology for these models. Different factors involved in making this variety are discussed. The models are described and it is shown how they are different or related to each other. The models are from the existing literature. However, to complete the methodology some of the models are introduced by the authors. Furthermore, the concept of sequence matrix is introduced which helps to differentiate some models and should be considered when NCS is analysed as a switched linear system. This methodology can be used as a basis for selecting the suitable model in analysis and design of NCSs. Denial of service (DoS) attack and time delay switch (TDS) attack can be considered as packet dropout and packet delay respectively. Thus, this methodology can also be used in analysis and design of NCS under these cyber-physical attacks.

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来源期刊
IET Cyber-Physical Systems: Theory and Applications
IET Cyber-Physical Systems: Theory and Applications Computer Science-Computer Networks and Communications
CiteScore
5.40
自引率
6.70%
发文量
17
审稿时长
19 weeks
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