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Clarifying what the FIT values are for elements

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in a SIF.
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Robin P. Clark 2013-12-11 11:32:23 +00:00
parent 938371015e
commit 92d8b16dac
2 changed files with 18 additions and 0 deletions
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16
submission_thesis/CH2_FMEA/copy.tex
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@ -1455,6 +1455,22 @@ To achieve SIL levels, diagnostic coverage and SFF levels are prescribed along w
hardware architectures and software techniques. hardware architectures and software techniques.
The overall aim of SIL is to classify the safety of a system, The overall aim of SIL is to classify the safety of a system,
by statistically determining how frequently it can fail dangerously. 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 \fmmdglossFMEDA
% %
\subsection{Automotive Safety Integrity Levels} \subsection{Automotive Safety Integrity Levels}

2
submission_thesis/thesis.tex
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@ -22,6 +22,8 @@
\usepackage{ifthen} \usepackage{ifthen}
\newboolean{pld} \newboolean{pld}
\setboolean{pld}{false} % boolvar=true or false \setboolean{pld}{false} % boolvar=true or false
\newboolean{post_submission_myedit}
\setboolean{post_submission_myedit}{true}
\newboolean{paper} \newboolean{paper}
\setboolean{paper}{false} % boolvar=true or false \setboolean{paper}{false} % boolvar=true or false
\input{style} \input{style}