Improved GLR Method to Instrument Failure Detection측정기기 고장진단에 관한 개선된 GLR 방식

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The Generalized Likelihood Ratio (GLR) method performs statistical tests on the innovations sequence of a Kalman-Buchy filter state estimator for system failure detection and its identification. However, the major drawback of the conventional GLR is to hypothesize particular failure type in each case. In this paper, a method to solve this drawback is proposed. The improved GLR method is applied to a PWR pressurizer and gives successful results in detection and identification of any failure. Furthermore, some benefit on the processing time per each cycle of failure detection and its identification can be accompanied.
Publisher
한국원자력학회
Issue Date
1985-06
Language
English
Citation

NUCLEAR ENGINEERING AND TECHNOLOGY , v.17, no.2, pp.83 - 97

ISSN
0327-7327
URI
http://hdl.handle.net/10203/56691
Appears in Collection
NE-Journal Papers(저널논문)
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