NDLI: Design method of fault diagnosis of flowmeters using historical database - Evaluation based on probabilities of false-alarm and miss-alarm -

Content Provider	IEEE Xplore Digital Library
Author	Tateno, S. Fuqiang Sui Matsuyama, H.
Copyright Year	2007
Description	Author affiliation: Waseda Univ., Kitakyushu (Tateno, S.)
Abstract	Operation management and equipment control of plants are carried out based on measurements obtained from flowmeters installed in the plants. Therefore, it is necessary to always observe the flowmeters to detect and diagnose faults, and to correct measurements. However, the fault of the flowmeters, such as bias of the indicated value, can be repaired only during regular maintenance under present circumstances. If the flowmeters with bias of the indicated value can be detected beforehand, reasonable repair plans can be planned. In addition, the bias can be corrected during normal plant operation. A fault diagnosis method using historical database is developed for the flowmeters installed in the plant where the state of the plant always changes by influence of load fluctuation. In the previous study, a design method of the fault diagnosis system that can satisfy specifications required from users about probabilities of a miss-diagnosis and an incorrect-diagnosis is developed. This study proposes a new design and pre-evaluation method based on probabilities of a false-alarm and a miss-alarm, which are more important evaluation criteria. The effectiveness of this method is demonstrated by using Monte Carlo simulations of a tank-pipeline system.
Starting Page	2523
Ending Page	2527
File Size	1590411
Page Count	5
File Format	PDF
ISBN	9788995003862
DOI	10.1109/ICCAS.2007.4406789
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-17
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	ICASE
Subject Keyword	Fluctuations Design automation Flow production systems Design methodology Inspection Control systems Historical database Fault diagnosis Flowmeter Databases Fault detection Automatic control Pre-evaluation
Content Type	Text
Resource Type	Article

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