Improvement in accuracy of diagnosis of chemical processes by use of signed digraph and 5—range pattern

Shigeyuki Tateno, Bohyoh Shibata, Yoshifumi Tsuge, Hisayoshi Matsuyama

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The accuracy of the algorithm for fault diagnosis by use of a signed digraph and a 5—range pattern has been improved, utilizing the fact that the deviation of the state variable from its normal value caused by system failure damps as the distance between the variable and the origin of failure increases. Furthermore, a method of evaluating the accuracy of this algorithm is proposed, utilizing the greatest set of candidates. The algorithm's accuracy is compared with that of other algorithms by fault diagnosis in tank -pipeline systems.

Original languageEnglish
Pages (from-to)30-40
Number of pages11
JournalKagaku Kogaku Ronbunshu
Volume19
Issue number1
DOIs
Publication statusPublished - 1993
Externally publishedYes

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Failure analysis
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Keywords

  • Fault diagnosis
  • Graph theory
  • Safety
  • Signed digraph
  • Systems engineering

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Improvement in accuracy of diagnosis of chemical processes by use of signed digraph and 5—range pattern. / Tateno, Shigeyuki; Shibata, Bohyoh; Tsuge, Yoshifumi; Matsuyama, Hisayoshi.

In: Kagaku Kogaku Ronbunshu, Vol. 19, No. 1, 1993, p. 30-40.

Research output: Contribution to journalArticle

Tateno, Shigeyuki ; Shibata, Bohyoh ; Tsuge, Yoshifumi ; Matsuyama, Hisayoshi. / Improvement in accuracy of diagnosis of chemical processes by use of signed digraph and 5—range pattern. In: Kagaku Kogaku Ronbunshu. 1993 ; Vol. 19, No. 1. pp. 30-40.
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