Fault diagnosis of flowmeters in distillation tower systems by use of component balances

Shigeyuki Tateno, Yoshihito Takahashi, Masahiro Kujime, Satoru Nunokawa, Yoshifumi Tsuge, Hisayoshi Matsuyama

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents a method to estimate errors in measured weight fractions independently of errors in measured flowrates and reduce component balances to linear relationships among errors in measured flowrates. This makes it possible to use component balances in fault diagnosis of flowmeters in order to improve diagnostic results. Results of a feasibility test in a commercial plant are also reported to show its performance and limitations.

Original languageEnglish
Pages (from-to)271-272
Number of pages2
Journalkagaku kogaku ronbunshu
Volume24
Issue number2
DOIs
Publication statusPublished - 1998 Mar
Externally publishedYes

Keywords

  • Chi square test
  • Component balance
  • Fault diagnosis
  • Faulty flowmeter

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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