From 6efe4a0e8f9f2c3f2f0a841127fbe56414539cd0 Mon Sep 17 00:00:00 2001 From: Robin Clark Date: Tue, 11 Jan 2011 14:20:31 +0000 Subject: [PATCH] OK is empty set in failure mode terms for component failure mode sets --- .../component_failure_modes_definition.tex | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/component_failure_modes_definition/component_failure_modes_definition.tex b/component_failure_modes_definition/component_failure_modes_definition.tex index 387f36e..a7ea8c3 100644 --- a/component_failure_modes_definition/component_failure_modes_definition.tex +++ b/component_failure_modes_definition/component_failure_modes_definition.tex @@ -753,7 +753,7 @@ create a derived component. 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] @@ -768,7 +768,8 @@ This technique is dealt with in descriptions of the FMMD process in chapter \ref Alternatively, we could consider the combinations of the failure modes as new failure modes. 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 $\{ B_2, B_3 \}$ to be intrinsically mutually exclusive, but $B_1$ to be independent.