Design of nonlinear observers for fault diagnosis: A case study

被引：31
|
作者：
Zolghadri, A
Henry, D
Monsion, M
机构：
[1] Lab. d'Automatique et Productique, Université Bordeaux I, 33405 Talence cedex
来源：
CONTROL ENGINEERING PRACTICE | 1996年 / 4卷 / 11期
关键词：
fault detection; fault isolation; robustness; nonlinear systems; observers;
D O I：
10.1016/0967-0661(96)00167-0
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 deals with the application of two nonlinear observer-based fault detection and isolation schemes to a laboratory hydraulic installation under digital control. Both methods employ a bank of observers in order to isolate different faults. Residual generators are developed which take into account system nonlinearities, model uncertainties and disturbances. Practical results demonstrate that faults can be successfully detected and isolated.
引用
收藏
页码：1535 / 1544
页数：10
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