한국경영과학회지 (Journal of the Korean Operations Research and Management Science Society)

  • 제14권2호
  • /
  • Pages.75-86
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  • 1989
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  • 1225-1119(pISSN)
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  • 2733-4759(eISSN)
한국경영과학회 (The Korean Operations Research and Management Science Society)
권호 표지

수리 불가능한 품목의 수명교환을 위한 최적 재고정책

Optimal Stocking for Age-replaced Non-repairable Items

  • 발행 : 1989.12.01
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초록

Joint stocking and preventive age replacement policy is considered for non-repairable items assuming instantaneous replenishment. A recursive relationship among the optimal preventive replacement ages is obtained, which shows that the preventive replacement ages in a replenishment cycle form an increasing sequence due to the inventory carrying cost. Using this relationship, a procedure is given for determining how many units to purchase on each order and when to replace each unit after it has begun operating so as to minimize the total cost per unit time over an infinite time span. The problem can be simplified if equal preventive replacement ages are assumed, and the solution is very close to that of the original unconstrained problem.

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참고문헌

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