From 92d8b16dac07ec9d104fd83002fa87d548e9a0b0 Mon Sep 17 00:00:00 2001 From: "Robin P. Clark" Date: Wed, 11 Dec 2013 11:32:23 +0000 Subject: [PATCH] Clarifying what the FIT values are for elements in a SIF. --- submission_thesis/CH2_FMEA/copy.tex | 16 ++++++++++++++++ submission_thesis/thesis.tex | 2 ++ 2 files changed, 18 insertions(+) diff --git a/submission_thesis/CH2_FMEA/copy.tex b/submission_thesis/CH2_FMEA/copy.tex index e9ab905..0071ea4 100644 --- a/submission_thesis/CH2_FMEA/copy.tex +++ b/submission_thesis/CH2_FMEA/copy.tex @@ -1455,6 +1455,22 @@ To achieve SIL levels, diagnostic coverage and SFF levels are prescribed along w hardware architectures and software techniques. The overall aim of SIL is to classify the safety of a system, by statistically determining how frequently it can fail dangerously. +% +% +% MY addition: 11DEC2013 +% +\ifthenelse {\boolean{post_submission_myedit}}{ +That is to say the PFH or FIT value assigned to a component in a SIF +is its dangerous failure rate. Individual dangerous component +failure modes may be mitigated by their detection percentage +and their diagnostic interval. +} +{ +% +} +% +% +% \fmmdglossFMEDA % \subsection{Automotive Safety Integrity Levels} diff --git a/submission_thesis/thesis.tex b/submission_thesis/thesis.tex index 82f7959..344e200 100644 --- a/submission_thesis/thesis.tex +++ b/submission_thesis/thesis.tex @@ -22,6 +22,8 @@ \usepackage{ifthen} \newboolean{pld} \setboolean{pld}{false} % boolvar=true or false +\newboolean{post_submission_myedit} +\setboolean{post_submission_myedit}{true} \newboolean{paper} \setboolean{paper}{false} % boolvar=true or false \input{style}