diff --git a/component_failure_modes_definition/component_failure_modes_definition.tex b/component_failure_modes_definition/component_failure_modes_definition.tex index d22cb19..b08a45d 100644 --- a/component_failure_modes_definition/component_failure_modes_definition.tex +++ b/component_failure_modes_definition/component_failure_modes_definition.tex @@ -377,7 +377,7 @@ from the cardinality constrain powerset number. \subsubsection{Example: Two Component functional group \\ cardinality Constraint of 2} -Thus were we to have a simple functional group with two components R and T, of which +For example: were we to have a simple functional group with two components R and T, of which $$FM(R) = \{R_o, R_s\}$$ and $$FM(T) = \{T_o, T_s, T_h\}$$. This means that a functional~group $FG=\{R,T\}$ will have a component failure modes set % $FM_{cfg} $ @@ -395,7 +395,7 @@ We must then subtract the number of `internal' component fault combinations for For component R there is only one internal component fault that cannot exist $R_o \wedge R_s$. As a combination ${2 \choose 2} = 1$ . For $T$ the component with three fault modes ${2 \choose 3} = 3$. -Thus for $cc == 2$ we must subtract $(3+1)$. +Thus for $cc == 2$, under the conditions of unitary state failure modes in the components $R$ and $T$, we must subtract $(3+1)$. The number of combinations to check is thus 11 for this example and this can be verified by listing all the required combinations: %