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Method of diagnostic tree design for system-level faults based on dependency matrix and fault tree

  • Feng Wu Wang*
  • , Jun You Shi
  • , Lu Wang
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The feature of testability model and fault tree is analyzed. Based on dependency matrix and fault tree, a new method of diagnostic tree design for system-level faults is proposed. The principle of this method is given. The related definitions and condition assumptions of this method are described in detail. These definitions include standard fault tree, extended dependency matrix, fault detection weight, fault isolation weight, and so on. Two key algorithms and the overall flow of this method are described. The algorithms include extended dependency matrix generation algorithm and diagnostic tree generation algorithm. Finally, a case is given to verify this method. The results show that this new method can efficiently generate the diagnostic tree of system-level faults.

Original languageEnglish
Title of host publication2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011
Pages1113-1117
Number of pages5
EditionPART 2
DOIs
StatePublished - 2011
Event2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011 - Changchun, China
Duration: 3 Sep 20115 Sep 2011

Publication series

Name2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011
NumberPART 2

Conference

Conference2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011
Country/TerritoryChina
CityChangchun
Period3/09/115/09/11

Keywords

  • dependency matrix
  • diagnostic tree
  • fault tree
  • minimal cut set
  • testability

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