From 392a7551cb00fa288ad464d2907e8991f7ae99f2 Mon Sep 17 00:00:00 2001 From: Robin Clark Date: Sat, 5 Feb 2011 11:36:26 +0000 Subject: [PATCH] fmea more text --- survey/survey.tex | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/survey/survey.tex b/survey/survey.tex index 1e4806e..f955514 100644 --- a/survey/survey.tex +++ b/survey/survey.tex @@ -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 }