FAULT-DETECTION VIA FACTORIZATION APPROACH

被引:122
作者
DING, X [1 ]
FRANK, PM [1 ]
FRANK, PM [1 ]
机构
[1] UNIV DUISBURG,DEPT ELECT ENGN,W-4100 DUISBURG 1,GERMANY
关键词
factorization approach; Fault detection; fault detection filters; frequency domain analysis; linear systems; observer design;
D O I
10.1016/0167-6911(90)90094-B
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Problems of designing fault detection and identification filters in the frequency domain are formulated and solved. Using the factorization approach a characterization of all fault detection filters is derived. This enables the derivation of necessary and sufficient conditions for the existence of fault identification as well as detection and isolation filters. It is shown that these conditions are a generalization of existing results. The formulas of constructing the filters are also derived. In comparison with the algorithms given in previous work they are computationally straightforward and simple. Finally, the proposed method for designing fault identification filters is extended so that more practical cases can be handled. © 1990.
引用
收藏
页码:431 / 436
页数:6
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