Cristin-resultat-ID: 1270472
Sist endret: 24. september 2015, 19:19
Resultat
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2005

Probability of Failure on demand (PFD) - The Formulas of IEC 61508 with Focus on the 1oo2D Voting

Bidragsytere:
  • Per Richard Hokstad

Bok

Does Deregulation of the Railways increase Safety in Rail Transportation
ISBN:
  • 0415383420

Utgiver

Balkema (Taylor & Francis Group)

Om resultatet

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Publiseringsår: 2005
Sider: 865 - 872
ISBN:
  • 0415383420

Importkilder

SINTEF AS-ID: S01005338

Beskrivelse Beskrivelse

Tittel

Probability of Failure on demand (PFD) - The Formulas of IEC 61508 with Focus on the 1oo2D Voting

Sammendrag

The paper presents new approximate formulas for the Probability of Failure on Demand (PFD) for standard configurations discussed in the IEC 61508 standard. It is investigated how the diagnostic cover-age (DC) is affected when comparison of channels is applied as part of the diagnostic testing for multiple channel systems. In this case the DC may be different for independent and common cause failures. The new PFD formulas are particularly useful for treating the so-called 1oo2D configuration properly, and are also used for relating 1oo2D to the standard 1oo2 and 2oo2 votings.

Bidragsytere

Per Richard Hokstad

  • Tilknyttet:
    Forfatter
    ved Software Engineering, Safety and Security ved SINTEF AS
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