Joint Optimization of Age Replacement and Spare Provisioning Policy

Lim, Sung-Uk; Park, Young-Taek

doi:2012.40.1.88

Journal of Korean Society for Quality Management > Volume 40(1); 2012 > Article

Journal of Korean Society for Quality Management 2012;40(1): 88-.
doi: https://doi.org/10.7469/JKSQM.2012.40.1.088

수명교체와 예비품 재고 정책의 통합 최적화

임성욱¹, 박영택²

¹대진대학교 산업경영공학과
²성균관대학교 시스템경영영공학과

Joint Optimization of Age Replacement and Spare Provisioning Policy

Sung-Uk Lim¹, Young-Taek Park²

¹Daejin University
²Sungkyunkwan University

ABSTRACT

Joint optimization of preventive age replacement and inventory policy is considered in this paper. There are three decision variables in the problem: (i) preventive replacement age of the operating unit, (ii) order quantity per order and (iii) reorder point for spare replenishment. Preventive replacement age and order quantity are jointly determined so as to minimize the expected cost rate, and then the reorder point for meeting a desired service level is found. A numerical example is included to explain the joint optimization model.

Key Words: Age Replacement;Maintenance;Spare;Inventory;