JMC proof read 17JUL2012.
This could be the one to submit, have heard nothing back from J Howse.
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@ -121,7 +121,7 @@ failure mode of the component or sub-system}}}
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% {-\baslineskip}
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% {0.5\baselineskip}
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% {\normalfont\normalsize\itshape}}%
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\linespread{0.95}
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\linespread{0.953}
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\begin{document}
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%\pagestyle{fancy}
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@ -290,7 +290,7 @@ In order to integrate software, %in a meaningful way
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we need to re-think the
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FMEA concept of simply mapping a base component failure to a system level event.
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%
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One strategy would be to modularise FMEA. To break down the failure effect
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One strategy would be to modularise FMEA; to break down the failure effect
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reasoning into small modules from the bottom-up.
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%
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If we pre-analyse modules, and they
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@ -363,13 +363,14 @@ we can determine its symptoms of failure.
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%With these symptoms (a set of derived faults from the perspective of the {\fg})
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%we can now state that the {\fg}
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% (as an entity in its own right)
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can fail in a number of well defined ways.
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%can fail in a number of well defined ways.
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%
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In other words we have taken a {\fg}, and analysed how
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%\textbf{it}
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it can fail according to the failure modes of its components, and then
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determine the {\fg} failure symptoms.
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We then create a new {\dc} which has as its {\fms} the failure symptoms
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%
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We then create a new {\dc} which has as its {\fms}, the failure symptoms
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of the {\fg} from which it was derived.
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% \paragraph{Creating a derived component.}
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@ -1061,7 +1062,7 @@ shows that by taking a modular approach for FMEA, i.e. FMMD, we can integrate
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software and electro-mechanical models.
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%
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With this analysis
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we have stages along the `reasoning~path' linking the failures modes from the
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we have stages along the `reasoning~path' linking the failure modes from the
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electronics to those in the software.
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Each {\fg} to {\dc} transition represents a
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reasoning stage.
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