How common cause ruins the safety rating of a fault tolerant PES

W.M. Goble, J.V. Bukowski, A.C. Brombacher

    Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademic

    3 Citaten (Scopus)

    Samenvatting

    Programmable Electronic Systems (PES) are being used in many industrial safety applications because they can supply important benefits including calculation capability, extensive online diagnostics and automated documentation. However, a conventional PLC or DCS (general purpose PES) may fail dangerously and, therefore, should not be used for safety. A specially designed PES should be used. These specially designed PESs typically use dual and triple architectures to provide safety and availability. Specially designed PESs have been quantitatively analyzed for safety and availability. However, most of the analysis work did not account for the effects of common cause. This paper explains the common cause phenomenon and shows how the safety ratings of the 1oo2D and 2oo3 architectures are degraded when common cause is considered. The rules for avoiding this degradation are provided
    Originele taal-2Engels
    TitelISA/96 international conference, exhibition and training program : presented at McCormick Place Exposition Center, Chicago, Illinois, October 6-11, 1996
    Plaats van productieResearch Triangle Park, NC, USA
    UitgeverijInstrument Society of America
    Pagina's59-66
    ISBN van geprinte versie1-556-17599-X
    StatusGepubliceerd - 1996

    Publicatie series

    NaamAdvances in instrumentation and control
    Volume51

    Vingerafdruk

    Duik in de onderzoeksthema's van 'How common cause ruins the safety rating of a fault tolerant PES'. Samen vormen ze een unieke vingerafdruk.

    Citeer dit