Assessment of Profit of a Two-Stage Deteriorating Linear Consecutive 2-out-of-3 Repairable System

DOI: 10.4236/jamp.2013.13005   PDF   HTML     4,414 Downloads   5,981 Views   Citations


Most of the researches on profit and cost evaluation of redundant system focus on the effect of failure and repair on revenue generated. However, as these systems continue to work, their strength gradually deteriorates. Where such deterioration occurs, minor and major maintenance is employed to remedy the deterioration. Little or no attention is paid on the effect of deterioration on the impact of deterioration and their maintenance on the revenue generated. In this paper, we study the profit generated of two-stage deteriorating linear consecutive 2-out-of-3 system. Failure, repair and deterioration time are assumed exponential. The explicit expressions of availability, busy period of a repairman and profit function are derived using Kolmogorov’s forward equations method. Various cases are analyzed graphically to investigate the effect of deterioration parameters such as slow deterioration, fast deterioration, and their maintenance such as minor and major minimal maintenance on profit generated.

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Yusuf, I. and Koki, F. (2013) Assessment of Profit of a Two-Stage Deteriorating Linear Consecutive 2-out-of-3 Repairable System. Journal of Applied Mathematics and Physics, 1, 21-27. doi: 10.4236/jamp.2013.13005.

Conflicts of Interest

The authors declare no conflicts of interest.


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