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http://dx.doi.org/10.13160/ricns.2021.14.4.197

Replacement Model after Extended Two-phase Warranty  

Jung, Ki Mun (Department of Big Data and Applied Statistics, Kyungsung University)
Publication Information
Journal of Integrative Natural Science / v.14, no.4, 2021 , pp. 197-204 More about this Journal
Abstract
Under the two-phase warranty, the warranty period is divided into two intervals, one of which is for renewing replacement warranty, and the other is for minimal repair warranty. Jung[13] discusses the two types of extended two-phase warranty models. In this paper, we suggest the replacement model after the extended two-phase warranty that has been proposed by Jung[13]. To determine the optimal replacement policy, we adopt the expected cost rate per unit time. So, the expressions for the total expected cost, the expected length of the cycle and the expected cost rate per unit time from the user's point of view are derived. Also, we discuss the optimal replacement policy and the uniqueness of the solution for the optimization. Furthermore, the numerical examples are provided to illustrate the proposed the replacement model.
Keywords
Expected cost rate per unit time; extended warranty; minimal repair warranty; replacement warranty; replacement model; two-phase warranty;
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