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Robin Clark 2012-02-03 16:46:54 +00:00
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12
old_thesis/component_failure_modes_definition/component_failure_modes_definition.tex
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@ -82,10 +82,10 @@ a vendors' reference number.
Geffory Hall, writing in Spacecraft systems engineering\cite{scse}[p.619] Geffory Hall, writing in Spacecraft systems engineering\cite{scse}[p.619]
defines a `part' thus defines a `part' thus
``{\em {Part(definition)}---The lowest level of assembly, beyond which further diss-assembly irrevocably destroys the item'' ``{{Part(definition)}---The lowest level of assembly, beyond which further disassembly irrevocably destroys the item''
The term component, in American English, can mean a building block or a part. 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. In British-English a component generally is given to mean the definition for part above.
For this study, we will use base-component to mean a `part', and component For this study, we will use {\bc} to mean a `part', and component
to mean a part or sub-assembly. to mean a part or sub-assembly.
What components all have in common is that they can fail, and fail in What components all have in common is that they can fail, and fail in
@ -893,7 +893,7 @@ are added to UML diagram in figure \ref{fig:cfg} and represented in figure \ref
\begin{figure}[h] \begin{figure}[h]
\centering \centering
\includegraphics[width=400pt,keepaspectratio=true]{./master_uml.jpg} \includegraphics[width=400pt,keepaspectratio=true]{../master_uml.jpg}
% cfg2.jpg: 702x464 pixel, 72dpi, 24.76x16.37 cm, bb=0 0 702 464 % cfg2.jpg: 702x464 pixel, 72dpi, 24.76x16.37 cm, bb=0 0 702 464
\caption{Complete UML diagram} \caption{Complete UML diagram}
\label{fig:cfg2} \label{fig:cfg2}
@ -901,6 +901,12 @@ are added to UML diagram in figure \ref{fig:cfg} and represented in figure \ref
\subsection{Ontological work on FMEA}
Ontological work on FMEA reviewed so far, has concentrated on
formalising the natural language process of FMEA and thus
defining relationships between components, failure modes and top level outcomes
a good overview of this work may found here~\cite{ontfmea}.
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9
old_thesis/mybib.bib
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@ -32,6 +32,15 @@
keywords = "single-fault", keywords = "single-fault",
keywords = "fault-tolerance" keywords = "fault-tolerance"
} }
@ARTICLE{ontfmea,
AUTHOR = "Lars Dittman et all",
TITLE = "FMEA using Ontologies",
JOURNAL = "18th International workshop on Qualitative Reasoning",
YEAR = "2004"
}
@ARTICLE{bubba, @ARTICLE{bubba,
AUTHOR = "Ron Mancini", AUTHOR = "Ron Mancini",
TITLE = "Design of OP-Amp sine wave oscillators", TITLE = "Design of OP-Amp sine wave oscillators",

2
old_thesis/opamp_circuits_C_GARRETT/opamps.tex
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@ -1509,7 +1509,7 @@ $$ fm (PHS45) = \{ 90\_phaseshift, nosignal, 0\_phaseshift \} $$
\subsection{Non Inverting Buffer: NIBUFF.} \subsection{Non Inverting Buffer: NIBUFF.}
The non-inverting buffer functional group, is comprised of one component, an op-amp. The non-inverting buffer functional group, is comprised of one component, an op-amp.
We use the failure modes for an op-amp~\cite[mil1991}[p. to represent this group. We use the failure modes for an op-amp~\cite{mil1991}[p.3-116] to represent this group.
% GARK % GARK
$$ fm(NIBUFF) = fm(OPAMP) = \{L\_{up}, L\_{dn}, Noop, L\_slew \} $$ $$ fm(NIBUFF) = fm(OPAMP) = \{L\_{up}, L\_{dn}, Noop, L\_slew \} $$