|Table of Contents|

Fault Detection for Wireless Sensor Networked Control Systems

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

Issue:
2012年06期
Page:
0-
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Title:
Fault Detection for Wireless Sensor Networked Control Systems
Author(s):
ZHANG Jie1BO Yuming1LV Ming2LING Manrong3GUO Pengfei1HE Liang1
1.School of Automation,NUST,Nanjing 210094,China;2.Center of Product Research and Development,North Information Control Group Co.,Ltd.,Nanjing 211153,China;3.Development of Military,Chongqing Wangjiang Industry Co.,Ltd.,Chongqing 400071,China
Keywords:
wireless sensor networksnetworked control systemsfault observersdiscrete switched systems
PACS:
TP273
DOI:
-
Abstract:
In order to ensure the reliability of wireless networked control systems,a fault observer based on discrete switched systems is designed focusing on networked control systems composed of wireless sensor networks.The wireless networked control system is assumed to be fault and detected.The augmented fault observer is constructed by studying the transmission characteristics of the data of wireless sensor networks.The observer is equivalent to a discrete switched system.The stability condition of the observer is translated into a linear matrix inequality based on the Lyapunov stability theory,and the stability of the system is proved.The observer can keep track of the state of the original system in one second.When a fault occurs,the observer residue can change rapidly to detect the fault.The simulation example demonstrates the effectiveness of the proposed method.

References:

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Last Update: 2012-12-29