UML definitions

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Robin 2010-04-18 11:10:25 +01:00
parent db5b849ccc
commit e03e9acfe5
3 changed files with 17 additions and 2 deletions

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@ -119,6 +119,16 @@ Base Component & Any bought in component, which \\
\vspace{0.3cm}
\section{A UML Model of terms introduced}
\begin{figure}[h]
\centering
\includegraphics[width=350pt,bb=0 0 680 500,keepaspectratio=true]{component_failure_modes_definition/fmmd_uml.jpg}
% fmmd_uml.jpg: 680x500 pixel, 72dpi, 23.99x17.64 cm, bb=0 0 680 500
\caption{UML respresentation of Failure Mode Data types}
\label{fig:fmmd_uml}
\end{figure}
The diagram in figure \ref{fig:fmmd_uml}
shows the relationships between the terms defined in table \ref{tab:def}.
We can start with the functional group. This is a minimal collection
@ -149,12 +159,13 @@ top level sub-system. We can thus have System inherit sub-system.
A derived failure mode, is simply a failure mode at a higher level of analysis
it can therefore inherit `failure\_mode'.
The modified UML diagram using inheritance is figure \ref{fig:fmmd_uml2}
\begin{figure}[h]
\centering
\includegraphics[width=350pt,bb=0 0 680 500,keepaspectratio=true]{component_failure_modes_definition/fmmd_uml.jpg}
\includegraphics[width=350pt,bb=0 0 680 500,keepaspectratio=true]{component_failure_modes_definition/fmmd_uml2.jpg}
% fmmd_uml.jpg: 680x500 pixel, 72dpi, 23.99x17.64 cm, bb=0 0 680 500
\caption{UML respresentation of Failure Mode Data types}
\label{fig:fmmd_uml}
\label{fig:fmmd_uml2}
\end{figure}
@ -175,6 +186,10 @@ the component should be considered from a fresh perspective,
perhaps considering it as several smaller components
within one package.
\begin{definition}
A set of failure modes where only one fault mode
can be active at a time is termed a `unitary~state' failure mode set.

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