Study on unknown input reduced-order observer for fault diagnosis

被引：0
|
作者：
栾家辉
姜兴渭
宋政吉
机构：
[1] Harbin 150001 China
[2] School of Astronautics Harbin Institute of Technology
[3] School of Astronautics Harbin Institute of Technology
来源：
Journal of Harbin Institute of Technology(New series) | 2007年 / 04期
关键词：
UIO; generalized inverse matrices; states observers;
D O I：
暂无
中图分类号：
TP302.8 [容错技术];
学科分类号：
081201 ;
摘要：
A novel unknown input reduced-order observer (UIRO) design scheme is presented. It is proved that unknown input appearing in measurement can be eliminated by a simple algebraic transformation. Then, a new UIRO design scheme is proposed via a transformation under no unknown input existing in measurement. Compared with other known results, the condition is weaker than others. So it was further reasonable. The design procedure proposed is simple and straightforward enough to be applied. An example is given to show its efficiency in fault diagnosis.
引用
收藏
页码：454 / 457
页数：4
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