dependency models are valid for restricting components to check against in FMEA

This commit is contained in:
Robin Clark 2013-09-08 13:00:49 +01:00
parent 39fd8bcd69
commit 5aaab8c4f9

View File

@ -701,6 +701,7 @@ if a particular top~level/system~failure was classified as catastrophic for inst
we could use this information we could use this information
to strengthen components that could cause that particular top level event/system~failure. to strengthen components that could cause that particular top level event/system~failure.
% %
%
Figure \ref{fig:noninvdag1} shows a DAG, Figure \ref{fig:noninvdag1} shows a DAG,
from which we can trace top level failure modes to the base component failure modes from which we can trace top level failure modes to the base component failure modes
that can cause them. that can cause them.
@ -1460,8 +1461,8 @@ in the base components. Coupled with MTTF statistics for the base components
this allows prediction of statistical failure rates for system level failures (this is this allows prediction of statistical failure rates for system level failures (this is
described in greater detail in section~\ref{sec:determine_fms}). described in greater detail in section~\ref{sec:determine_fms}).
% %
The connections from a given system~failure can be used to determine the %%The connections from a given system~failure can be used to determine the
components that are necessary to function correctly to avoid its occurrence. %%components that are necessary to function correctly to avoid its occurrence.
% %
% %
% NO dependency trees are logical contructs, I dont think FMMD helps here % NO dependency trees are logical contructs, I dont think FMMD helps here