Cost benefit analysis of series systems with warm standby components |
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Authors: | Kuo-Hsiung Wang Wen-Lea Pearn |
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Affiliation: | (1) Department of Applied Mathematics, National Chung-Hsing University, Taichung, TAIWAN, ROC;(2) Department of Industrial Engineering and Management, National Chiao Tung University, Hsinchu, TAIWAN, ROC |
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Abstract: | This paper deals with the cost benefit analysis of series systems with warm standby components. The time-to-repair and the time-to-failure for each of the primary and warm standby components is assumed to have the negative exponential distribution. We develop the explicit expressions for the mean time-to-failure, MTTF, and the steady-state availability, A T ( ) for three configurations and perform a comparative analysis. Under the cost/benefit (C/B) criterion, comparisons are made based on assumed numerical values given to the distribution parameters, and to the cost of the components. The configurations are ranked based on: MTTF, A T ( ), and C/B where B is either MTTF or A T ( ). |
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Keywords: | Availability Cost/benefit Reliability Series system Warm standbys |
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