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another weakness of FMEDA identified

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Robin Clark 2011-11-16 19:19:04 +00:00
parent 3250be53e3
commit fa0723a16f
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survey/survey.tex
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@ -657,7 +657,7 @@ safety, as it can miss unexpected effects due to `unexpected' component interact
The Statistical Analysis methodology is the core philosophy
of the Safety Integrity Levels (SIL) embodied in EN61508 \cite{en61508}
and its international analog standard IOC5108.
and its international analog is standard IOC5108.
@ -669,6 +669,7 @@ and its international analog standard IOC5108.
\item No possibility to model base component level double failure modes.
\item As with all failure mode methodologies based on FMEA, does not model component failure modes
that may cause more than one type of SYSTEM failure.
\item Because FMEDA is based on one entry per component failure mode, top level symptoms are not grouped, and will be listed in a fragmented way, and may not have the same description.
\end{itemize}
%AND then how we can solve all there problems