Reduced-order observer-based fault estimation design for multiple input-multiple output discrete-time systems

被引：6

作者：

Zhang, K. ^{[1
]}

Staroswiecki, M. ^{[2
]}

Jiang, B. ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Peoples R China

[2] UniverSud, CNRS, USTL, SATIE,ENS Cachan, Cachan, France

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING | 2012年 / 226卷 / I1期

基金：

中国国家自然科学基金;

关键词：

fault diagnosis; reduced-order observer; discrete-time systems; ISOLATION SCHEME; ACCOMMODATION; CONTROLLER; DIAGNOSIS; STATE;

D O I：

10.1177/0959651811406978

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, the fault-estimation problem for discrete-time systems is considered. A multiconstrained reduced-order fault estimation observer (RFEO) design is proposed to handle the case of abrupt and time-varying faults, and a comparison with full-order fault estimation observer is discussed in detail. Then, by introducing a slack matrix, a new multiconstrained RFEO result is obtained to reduce conservatism generated by the conventional method. Further, the present authors investigate robust RFEO design to cope with external disturbances. Simulation results of an aircraft example illustrate their contributions.

引用

页码：101 / 110

页数：10

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