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Nig. J. Basic Appl. Sci.. 2013; 21(3): 197-206

Reliability Analysis of a Two Dissimilar Unit Cold Standby System with Three Modes Using Kolmogorov Forward Equation Method

Uba Ahmad Ali, Naziru Idris Bala and Ibrahim Yusuf.

Reliability is an important area that is receiving attention globally. This paper studies reliability analysis of a two-dissimilar-unit cold standby system with three modes using Kolmogorov forward equation’s method, in which its reliability and availability analysis are evaluated. This proposed system has been investigated under three modes: normal, partial failure, total failure. The failure and the repair time are assumed to have exponential distribution. The effect of failure rate on meantime to system failure (MTSF ), steady state availability ( AT (ï‚¥) ) and the profit function PF(ï‚¥) of the system are compared. It was found thatMTSF , AT (ï‚¥) , and PF(ï‚¥) are decreasing with the
increase of the failure rate.

Key words: Cost analysis, Meantime to System Failure, Steady State Availability and Kolmogorov forward equation.

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