robin/Robin_PHD
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

removed repeat of FMMD definitions that was left in CH5

Browse Source
This commit is contained in:
Robin Clark 2012-05-05 18:32:01 +01:00
parent cba1af5076
commit c6b20536aa
1 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
submission_thesis/CH5_Examples/copy.tex
View File

@ -40,23 +40,23 @@ allowing re-use of modules and reducing the number of by-hand analysis checks to
As all forms of FMEA are bottom-up processes, we start with the lowest or most basic components/parts. As all forms of FMEA are bottom-up processes, we start with the lowest or most basic components/parts.
%and with their failure modes. %and with their failure modes.
It is worth defining clearly the term part here. % It is worth defining clearly the term part here.
Geoffry Hall writing in Space Craft Systems Engineering~\cite{scse}[p.619], defines it thus: % Geoffry Hall writing in Space Craft Systems Engineering~\cite{scse}[p.619], defines it thus:
``{Part(definition)}---The Lowest level of assembly, beyond which further disassembly irrevocably destroys the item''. % ``{Part(definition)}---The Lowest level of assembly, beyond which further disassembly irrevocably destroys the item''.
In the field of electronics a resistor, capacitor and op-amp would fit this definition of a `part'. % In the field of electronics a resistor, capacitor and op-amp would fit this definition of a `part'.
Failure modes for part types can be found in the literature~\cite{fmd91}\cite{mil1991}. % Failure modes for part types can be found in the literature~\cite{fmd91}\cite{mil1991}.
%
%
%
\paragraph {Definitions: for practical FMMD analysis} % \paragraph {Definitions: for practical FMMD analysis}
%
\begin{itemize} % \begin{itemize}
\item {\bc} - is taken to mean a `part' as defined above~\cite{scse}[p.619]. We should be able to define a set of failure modes for every {\bc}. % \item {\bc} - is taken to mean a `part' as defined above~\cite{scse}[p.619]. We should be able to define a set of failure modes for every {\bc}.
\item {\fm} - failure mode - the ways in which a component can fail % \item {\fm} - failure mode - the ways in which a component can fail
\item {\fg} - a collection of components chosen to perform a particular task % \item {\fg} - a collection of components chosen to perform a particular task
\item {\em symptom} - a failure mode of a functional group caused by one or more of its component failure modes. % \item {\em symptom} - a failure mode of a functional group caused by one or more of its component failure modes.
\item {\dc} - a new component derived from an analysed {\fg} % \item {\dc} - a new component derived from an analysed {\fg}
\end{itemize} % \end{itemize}