Determining a Component's Fault Status and the Status' Readiness
A diagnosis points at a set of components whose abnormal behavior
could explain why a system does not function as intended, and a set of
diagnoses points at different such sets of components. It would be an
advantage for repair technicians if it, as a complement to the
diagnoses, was possible to exactly state which components that
certainly are faulty, which that are only suspected to be faulty, and
which that are normal, i.e. to state the components fault
statuses. There would also be an advantage if the technicians could
get an indication when a component s fault status cannot be change by
evaluating additional diagnostic tests, and the fault status is in
that case said to be ready. The key contributions in the present paper
are conditions that can be used to decide a component s fault status
and the fault status readiness. Conditions are stated for both
centralized and distributed systems.
Jonas Biteus, Mattias Nyberg, Erik Frisk and Jan Åslund
2006
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