Fault Diagnosis Of A Water For Injection System Using Enhanced Structural Isolation

Morten Laursen, Mogens Blanke, Dilek Düstegör

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A water for injection system supplies chilled sterile water as solvent to pharmaceutical products. There are ultimate requirements to the quality of the sterile water, and the consequence of a fault in temperature or in flow control within the process may cause loss of one or more batches of the production. Early diagnosis of faults is hence of considerable interest for this process. This study investigates the properties of multiple matchings with respect to isolability and it suggests to explore the topologies of multiple use-modes for the process and to employ active techniques for fault isolation to enhance structural isolability of faults. The suggested methods are validated on a high-fidelity simulation of the process.
Original languageEnglish
JournalInternational Journal of Applied Mathematics and Computer Science
Volume18
Issue number4
Pages (from-to)593-603
ISSN1641-876X
DOIs
Publication statusPublished - 2008

Keywords

  • fault diagnosis
  • matching
  • fault isolation
  • structural analysis

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