• Title of article

    ConservativeavailabilityanalysesincludingdependentfailuresinredundantI&C-systemswithrecurrenttestsOriginalResearchArticle

  • Author/Authors

    H.D.Fischer، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2003
  • Pages
    10
  • From page
    79
  • To page
    88
  • Abstract
    InthispaperanalyticformulaearederivedtoestimateconservativelytheunavailabilityofatwooutoffourdigitalsafetyInstrumentationandControl(I&C)systemwithrecurrenttests.Theanalyticformulaedisclosetheinfluenceofthedifferentparametersonthesystem’sunavailability.Inparticular,thechoiceofapropertestintervalisessentialtoguaranteetherequiredlowunavailability.Theextraordinaryself-checkingcapabilitiesofdigitalsystemsaretakenintoaccountbyuseofanappropriatefailuremodeltogetherwiththetreatmentofdependentfailuresoftheintegratedsoftware–hardwaresystem.TheunderlyingmethodologyisapprovedbylicensingexpertsofnuclearfacilitiesinGermany.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2003
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894529