From f1784f37657b5a92db4d4881a61c3c062f0a711b Mon Sep 17 00:00:00 2001 From: "Robin P. Clark" Date: Wed, 12 Sep 2012 16:54:25 +0100 Subject: [PATCH] edits at end of day:wq --- submission_thesis/CH4_FMMD/copy.tex | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/submission_thesis/CH4_FMMD/copy.tex b/submission_thesis/CH4_FMMD/copy.tex index 1935ed6..546f246 100644 --- a/submission_thesis/CH4_FMMD/copy.tex +++ b/submission_thesis/CH4_FMMD/copy.tex @@ -158,7 +158,7 @@ In this way we can incrementally apply FMEA to an entire system. %, with documen % This has advantages of concentrating effort in where modules interact (interfaces), of -being able to re-use work and a savings in the complexity of performing +being able to re-use work and savings in the complexity of performing FMEA (because the analysis is typically performed in several small stages). %A notation is then described to index and classify objects created in FMMD hierarchical models. @@ -618,7 +618,7 @@ the number of failure modes to consider. %to failure modes of the {\fg}. % %This means that -We thus simplify the FMEA analysis task for further stages. +We thus simplify the FMMD analysis task for further stages. % By drawing vertices for failure modes, % symptoms, and edges for the relationships between them @@ -1133,12 +1133,12 @@ as a separate building block for a circuit. For FMMD each of these four op-amps in the chip would be considered to be a separate {\bc}. % CAN WE FIND SUPPORT FOR THIS IN LITERATURE??? % -We, need to go further than the above definition of a part, and define % defining +We need to go further than the above definition of a part, and define % defining an atomic entity. % used as a building block. %The term component, in American English, can mean a building block or a part. %In British-English a component generally is given to mean the definition for part above. We define {\bc} to be the lowest level---an entity with which we begin our analysis---a component -that we use as a building block. +that we use as a starting bottom-up building block. %This is a choice made by the analyst, often guided by the standards to which the analysis is being performed. % to. % Both op-amps and transistors have published statistical failure rates and yet an op-amp is constructed from transistors. @@ -1299,15 +1299,22 @@ Thus we can associate a set of failure modes to types of component, for example $ResistorFaultModes=\{OPEN, SHORT\}$\footnote{The failure modes of the resistor are discussed in section~\ref{sec:resistorfm}.}. - -\begin{figure}[h]+ +\begin{figure}[h] \centering - \includegraphics[width=300pt,bb=0 0 437 141,keepaspectratio=true]{CH4_FMMD/component.png} - % component.png: 437x141 pixel, 72dpi, 15.42x4.97 cm, bb=0 0 437 141 - \caption{A Component and its Failure Modes} + \includegraphics[width=200pt]{/CH4_FMMD/component.png} + % component.png: 436x136 pixel, 72dpi, 15.38x4.80 cm, bb=0 0 436 136 + \caption{UML diagram of a component and its associated failure modes.} \label{fig:component} \end{figure} +% \begin{figure}[h]+ +% \centering +% \includegraphics[width=300pt,bb=0 0 437 141,keepaspectratio=true]{CH4_FMMD/component.png} +% % component.png: 437x141 pixel, 72dpi, 15.42x4.97 cm, bb=0 0 437 141 +% \caption{A Component and its Failure Modes} +% \label{fig:component} +% \end{figure} + The UML class diagram in figure \ref{fig:component} shows a component as a data structure with its associated failure modes.