Network Control System Fault Diagnosis Method Based on Sliding Mode Observer

被引：0

作者：

Han Lei ^{[1
]}

Xu Qihua ^{[2
]}

Liu Ruiming ^{[2
]}

机构：

[1] China Univ Min & Technol, Xuzhou, Jiangsu, Peoples R China

[2] Huaihai Inst Technol, Lianyungang, Jiangsu, Peoples R China

来源：

ADVANCES IN MECHATRONICS, AUTOMATION AND APPLIED INFORMATION TECHNOLOGIES, PTS 1 AND 2 | 2014年 / 846-847卷

关键词：

fault diagnosis; augmented model; sliding mode observe; Lyapunov stability; NCS(network control system); fixed long time delay;

D O I：

10.4028/www.scientific.net/AMR.846.847.799

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper constructs a sliding mode observer of fixed long delay network control system with an augmented modeling method, and then proves the feasibility of system residuals converging to zero by Lyapunov stability theorem. The network control system fault diagnosis is discussed in depth by detecting changes in the residuals. In addition, this paper takes Gradient faults and mutation faults of actuator as examples to conduct fault diagnosis simulation, and the simulation results show that this method can detect the system faults effectively.

引用

页码：799 / +

页数：2

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