



\ifthenelse {\boolean{paper}}
{
\abstract{ 
This paper describes how the Failure Mode Modular De-composition (FMMD) methodology 
can be applied to the design of automated production test rigs
analysis.
%
Test rigs are often used as part of the production process
to ensure that the SYSTEM is not only operating
correctly but also calibrated where necessary.
%
% WHAT IS DID
Mention Chris Garret and Maikowqski theses : both directly relevant.
% WHAT I FOUND
From the FMMD data model it is possible to link 
sub-systems under test to 
{\dcs} determined from the FMMD process.
Armed with this knowledge
the tester can be pointed to the 
likely faulty components.
% WHY YOU WOULD WANT TO READ IT
This feature of FMMD proides another tool in the safety engineers
repotiore, one that can shake out difficult to find 
component failures from a high level test result failure.
}
}
{
\paragraph{Chapter overview}
This chapter describes how the % Failure Mode Modular De-composition (FMMD) 
FMMD methodology 
can be applied to the problems of 
test rig design and construction.
%

%
Test rigs are often used as part of the production process
to ensure that the SYSTEM is not only operating
correctly but also calibrated where necessary.
%
% WHAT IS DID
Mention Chris Garret and Maikowqski theses : both directly relevant.
% WHAT I FOUND
From the FMMD data model it is possible to link 
sub-systems under test to 
{\dcs} determined from the FMMD process.
Armed with this knowledge
the tester can be pointed to the 
likely faulty components.
% WHY YOU WOULD WANT TO READ IT
This feature of FMMD proides another tool in the safety engineers
repotiore, one that can shake out difficult to find 
component failures from a high level test result failure.
}

 
\section{Introduction}

\ifthenelse {\boolean{paper}}
{
paper
}
{
chapter
}

\subsection{Description of a typical `test rig'}


Outline the fmmd process.


Show modules 
which would be testable by a test rig

values read or logical conditions from {\dcs}
at a mid-level.


Trace a theoretical example and show how FMMD detects the
possible causes of the test rig failure.


Exlain why this would save time and money, and possibly 
because testing is typically done in house
reveal any unknown failure modes of {\dcs} or even base components.

