Communications for Statistical Applications and Methods

The Korean Statistical Society (한국통계학회)
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PM Policy with Random Maintenance Quality Following the Expiration of Non-Renewing Warranty

비재생보증이 종료된 이후의 확률적 보전효과를 갖는 예방보전정책

  • Jung, Ki-Mun (Department of Informational Statistics, Kyungsung University)
  • 정기문 (경성대학교 정보통계학과)
  • Published : 2008.01.31
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Abstract

This paper develops the optimal periodic preventive maintenance policy following the expiration of non-renewing warranty. We assume that Wu and Clements-Croome's (2005) periodic PM model with random maintenance quality is utilized to maintain the system after the non-renewing warranty is expired. Given the cost structure to the user during the cycle of the product, we drive the expressions for the expected cost rate per unit time. Also, we obtain the optimal number and the optimal period by minimizing the expected cost rate per unit time. The numerical examples are presented for illustrative purpose.

본 논문에서는 비재생보증이 종료된 이후의 최적의 주기적인 예방보전정책을 제안한다. 비재생보증기간이 종료된 이후의 예방보전에 대하여 Wu와 Clements-Croome (2005)의 확률적 보전효과를 갖는 주기적인 예방보전모형을 가정한다. 시스템의 운영 기간 동안 사용자가 지불하여 야 할 비용들이 주어져 있을 때 단위시간당 기대비용을 결정한다. 또한, 구해진 단위시간당 기대비용을 최소화하는 최적의 예방보전 주기와 횟수를 결정하는 방법을 다룬다. 마지막으로 본 논문에서 제안된 예방보전정책을 설명하기 위해서 수치적 예를 살펴본다.

Keywords

References

  1. Canfield, R. V. (1986). Cost optimization of periodic preventive maintenance. IEEE Transactions on Reliability, 35, 78-81 https://doi.org/10.1109/TR.1986.4335355
  2. Jung, G. M., Lee, J. H. and Park, D. H. (2000). Periodic preventive mainte-nance policies following the expiration of warranty. Asia-Pacific Journal of Operational Research, 17, 17-26
  3. Jung, G. M. and Park, D. H. (2003). Optimal maintenance policies during the post-warranty period. Reliability Engineering & System Safety, 82, 173-185 https://doi.org/10.1016/S0951-8320(03)00144-3
  4. Sahin, I. and Polatoglu, H. (1996). Maintenance strategies following the expira-tion of warranty. IEEE Transactions on Reliability, 45, 220-228 https://doi.org/10.1109/24.510805
  5. Wu, S. and Clements-Croome, D. (2005). Preventive maintenance models with random maintenance quality. Reliability Engineering & System Safety, 90, 99-105 https://doi.org/10.1016/j.ress.2005.03.012

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