On the use of on-line approximators for sensor fault diagnosis

被引：0
|
作者：
Vemuri, AT [1 ]
Polycarpou, MM [1 ]
机构：
[1] SW Res Inst, Dept Engine & Vehicle Res, San Antonio, TX 78238 USA
来源：
PROCEEDINGS OF THE 1998 AMERICAN CONTROL CONFERENCE, VOLS 1-6 | 1998年
关键词：
D O I：
暂无
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 describes a sensor fault diagnosis algorithm for a class of nonlinear dynamic systems. The main idea behind this approach is to monitor the closed-loop system for any off-nominal system behavior due to sensor faults utilizing a nonlinear on-line approximator with adjustable parameters. A nonlinear estimation model and learning algorithm are described so that the on-line approximator provides an estimate of the sensor fault. The robustness, stability and learning performance properties of the nonlinear sensor fault diagnosis scheme are established.
引用
收藏
页码：2857 / 2861
页数：5
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