Effects of varying diagnostic coverage on functional safety

Ilker Üstoʇlu, Özgür T. Kaymakçi, Josef Börcsök

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

5 Citations (Scopus)

Abstract

Diagnostics is one of the significant parameters of functional safety which concerns itself with revealing dangerous incidents that might impede the operation of safety systems. Diagnostic coverage factor (DC) is defined as a metric for diagnostics in that DC is one of the most important design parameters to measure the effectiveness of safety protection systems. This study addresses how diagnostics impacts proof test interval (TI) when the system is halted completely; a thorough maintenance and changes in parts are performed. Besides this, the relationship between average probability of failure on demand (PFDavg), DC, TI and mean time to failure (MTTF) are presented for 1oo2 and 1oo2D system architectures.

Original languageEnglish
Title of host publication2014 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479968213
DOIs
Publication statusPublished - 26 Feb 2015
Externally publishedYes
Event2014 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2014 - Bucharest, Romania
Duration: 28 Nov 201429 Nov 2014

Publication series

Name2014 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2014

Conference

Conference2014 International Symposium on Fundamentals of Electrical Engineering, ISFEE 2014
Country/TerritoryRomania
CityBucharest
Period28/11/1429/11/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

Keywords

  • Diagnostic coverage factor
  • mean time to failure
  • probability of failure on demand
  • safety architecture

Fingerprint

Dive into the research topics of 'Effects of varying diagnostic coverage on functional safety'. Together they form a unique fingerprint.

Cite this