Unavailability of a Redundant System with One Repair Team

摘要

An active redundant system with only one repair team, which is important from a practicalrnpoint of view, has been analyzed using Markov techniques to obtain its unavailability. However arnserious problem is that due to the memory-less property of a Markov state transition diagram, thernunavailability obtained by the Markov analysis is considered to be larger than the true value. Tornovercome the problem, in this paper, a new unavailability formula is presented through the analysis ofrnthe mean awaiting-repair time. Its validity is confirmed by Monte Carlo simulations.