PERFORMANCE ANALYSIS FOR DIRECTIONAL RESIDUAL BASED FAULT ISOLATION

Generalized likelihood ratio test (GLRT) for directional residual based fault isolation is studied in this paper. The conditional probability of correct fault isolation is used to measure the performance of the test. The explicit form of this probability is derived with the help of two GLRT invarian...

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Bibliographic Details
Published inIFAC Proceedings Volumes Vol. 38; no. 1; pp. 173 - 178
Main Authors Hu, Yongtong, Gertler, Janos
Format Journal Article
LanguageEnglish
Published 2005
Subjects
Directional residuals
Fault detection and diagnosis
Fault isolation
Generalized likelihood ratio test
Statistical testing
Fault isolation
Directional residuals
Statistical testing
Generalized likelihood ratio test
Fault detection and diagnosis
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Summary:Generalized likelihood ratio test (GLRT) for directional residual based fault isolation is studied in this paper. The conditional probability of correct fault isolation is used to measure the performance of the test. The explicit form of this probability is derived with the help of two GLRT invariant properties and the standard fault isolation subspace. The effect of linear transformation is studied as well.
ISSN:1474-6670
DOI:10.3182/20050703-6-CZ-1902.01831