Journal of Integrative Natural Science (통합자연과학논문집)

The Basic Science Institute Chosun University (조선대학교 기초과학연구원)
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Replacement Model after Extended Two-phase Warranty

연장된 이단계 보증 이후의 교체모형

  • Jung, Ki Mun (Department of Big Data and Applied Statistics, Kyungsung University)
  • 정기문 (경성대학교 빅데이터응용통계학과)
  • Received : 2021.10.25
  • Accepted : 2021.11.24
  • Published : 2021.12.31
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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

Acknowledgement

이 논문은 2020학년도 경성대학교 학술 연구비지원에 의하여 연구되었음.

References

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