|Table of Contents|

Fault detection for wireless networked control systems with fixed topology

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2014年04期
Page:
544-549
Research Field:
Publishing date:

Info

Title:
Fault detection for wireless networked control systems with fixed topology
Author(s):
Lin Xichuan1Bie Zhisong 2
1.Network Management Center,Henan Polytechnic Institute,Nanyang 473009,China; 2.School of Information and Communication Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China
Keywords:
wireless networked control systems fixed topology robust control fault observers observer gains linear matrix inequality fault detection
PACS:
TP393
DOI:
-
Abstract:
In order to improve the sensibility of wireless networked control systems(WNCSs)to fault,fault detection for a class of WNCSs with a fixed topology is studied based on the robust control theory.Since the states of nodes in the network are affected by other nodes,fault detection observes are designed for each pair of nodes.By constructing Lyapunov functional,sufficient conditions are acquired in terms of linear matrix inequalities to make the error system asymptotically stable,and the gains of observes are also obtained.Simulation results show that when the system fault occurs,residual changes can be quickly detected by fault detection observes,which verifies the effectiveness of the proposed method.

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Last Update: 2014-08-31