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http://dx.doi.org/10.7465/jkdi.2013.24.4.773

Preventive maintenance model with extended warranty  

Jung, Ki Mun (Department of Informational Statistics, Kyungsung University)
Publication Information
Journal of the Korean Data and Information Science Society / v.24, no.4, 2013 , pp. 773-781 More about this Journal
Abstract
Recently, an extended warranty of the system following the expiration of the basic warranty is becoming increasingly popular to the user. In this respect, we suggest a preventive maintenance model following the expiration of extended warranty with minimal repair warranty from the user's point of view in this paper. Under basic warranty and extended warranty, the failed system is minimally repaired by the manufacturer at no cost to the user. For the preventive maintenance model, we derive the expressions for the expected cycle length, the expected total cost and the expected cost rate per unit time. Also, we determine the optimal preventive maintenance period and the optimal preventive maintenance number by minimizing the expected cost rate per unit time. Finally, the numerical examples are presented to illustrate the purpose when the failure time of the system has a Weibull distribution.
Keywords
Expected cost rate per unit time; extended warranty; minimal repair warranty; preventive maintenance model;
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Times Cited By KSCI : 3  (Citation Analysis)
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