
1
Chapter 1
Introduction
1.1 Research Background
Equipment operational readiness and continuity of mission importantly symbolize
equipment combat power. As the important parameter measuring equipment oper-
ation readiness and continuity of mission, equipment availability is always given
much attention by equipment developers and users. Generally, the equipment avail-
ability parameters are the steady state (such as equipment operational availability),
achieved availability, and inherent availability.
Steady-state availability means that the whole equipment system gradually
becomes steady after a long running-in period. Mathematically, this refer