An improved principal component analysis scheme for sensor fault detection and isolation : application to a three tanks system

被引:2
作者
Guerfel, Mohamed [1 ]
Ben Aicha, Anissa [1 ]
Ben Othman, Kamel [1 ]
Benrejeb, Mohamed [1 ]
机构
[1] Natl Engn Sch Tunis, LARA Automat, Res Unit, Tunis 1002, Tunisia
来源
MED: 2009 17TH MEDITERRANEAN CONFERENCE ON CONTROL & AUTOMATION, VOLS 1-3 | 2009年
关键词
statistical methods; PCA; system monitoring; fault detection; localization; IDENTIFICATION; RECONSTRUCTION; PCA; DIAGNOSIS; NUMBER;
D O I
10.1109/MED.2009.5164540
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper a sensor fault detection and isolation procedure based on principal component analysis (PCA) is proposed to monitor a three interconnected tanks system. The PCA model is built to maximize fault detection sensitivity using a new index. The localization procedure is carried out using two methods. The first is based on the variables contribution to the fault index. The second is based on the reconstruction approach.
引用
收藏
页码:205 / 210
页数:6
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