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OK is empty set in failure mode terms for

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component failure mode sets
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Robin Clark 2011-01-11 14:20:31 +00:00
parent 7e4af50b4c
commit 6efe4a0e8f
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component_failure_modes_definition/component_failure_modes_definition.tex
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@ -753,7 +753,7 @@ create a derived component.
This technique is outside the scope of this paper. This technique is outside the scope of this paper.
} }
{ {
This technique is dealt with in descriptions of the FMMD process in chapter \ref{fmmd_complex_comp}. This technique is dealt in chapter \ref{fmmd_complex_comp} which shows how derived components may be assembled.
} }
\begin{figure}[h] \begin{figure}[h]
@ -768,7 +768,8 @@ This technique is dealt with in descriptions of the FMMD process in chapter \ref
Alternatively, we could consider the combinations Alternatively, we could consider the combinations
of the failure modes as new failure modes. of the failure modes as new failure modes.
We can model this using an Euler diagram representation of We can model this using an Euler diagram representation of
an example component with three failure modes $\{ B_1, B_2, B_3, OK \}$ see figure \ref{fig:combco}. an example component with three failure modes\footnote{OK is really the empty set, but the term OK is more meaningful in
the context of component failure modes} $\{ B_1, B_2, B_3, OK \}$ see figure \ref{fig:combco}.
For the purpose of example let us consider $\{ B_2, B_3 \}$ For the purpose of example let us consider $\{ B_2, B_3 \}$
to be intrinsically mutually exclusive, but $B_1$ to be independent. to be intrinsically mutually exclusive, but $B_1$ to be independent.