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Robin Clark 2011-02-05 11:36:26 +00:00
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@ -198,6 +198,7 @@ This is an early static analysis methodology, and concentrates
on SYSTEM level errors which have been investigated.
The investigation will typically point to a particular failure
of a component.
The methodology is now applied to find the significance of the failure.
It is based on a simple equation where $S$ ranks the severity (or cost \cite{bfmea}) of the identified SYSTEM failure,
$O$ its occurrence\footnote{The occurrence $O$ is the
@ -211,6 +212,11 @@ This gives in effect
a prioritised `to~do~list', with higher $RPN$ values being the most urgent.
\fmeagloss
FMEA can be used as a quality improvement tool for industry. In this role,
it is a living document used to log system failures.
Management and quality product maintenance
can use the $RPN$ value for a new SYSTEM failure to decide on the urgency
of corrective action.
\subsubsection{ FMEA weaknesses }