Abstract
This paper analyses a two-dissimilar-unit priority redundant system under the cover of a special warranty scheme. The first unit is a priority unit in operation and fails in three modes, namely minor, marginal and catastrophic. The cold standby unit fails in a single mode. The warranty scheme provides replacement cover for the priority unit for catastrophic failure and repair cover for other failure types. It also provides repair cover for the non-priority unit (standby unit) for failure. A single repair/replacement facility is available to cater to the needs of the system. Using regenerative point technique in Markov renewal process we find different measures of effectiveness and the expected profit incurred in ( 0 , t ] .
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