Optimum replacement intervals with random time horizon

Won Young Yun (Pusan National University, Korea, and)
Chung Hyeon Choi (Agency for Defense Development, Kyungnam, Korea)

Journal of Quality in Maintenance Engineering

ISSN: 1355-2511

Publication date: 1 December 2000


An optimization problem to obtain the optimal replacement interval is studied. The system is minimally repaired at failure and is replaced by a new one at age T. The model assumes that the time horizon associated with the number of replacements is random. The total expected cost is calculated, and the optimal replacement interval minimizing the cost is found. A numerical example is used to compare the costs associated with an infinite time line and a random time line, which this model used.



Young Yun, W. and Hyeon Choi, C. (2000), "Optimum replacement intervals with random time horizon", Journal of Quality in Maintenance Engineering, Vol. 6 No. 4, pp. 269-274. https://doi.org/10.1108/13552510010346798

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