대한산업공학회지 (Journal of Korean Institute of Industrial Engineers)

  • 제38권2호
  • /
  • Pages.116-124
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  • 2012
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  • 1225-0988(pISSN)
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  • 2234-6457(eISSN)
대한산업공학회 (Korean Institute of Industrial Engineers)
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비정상적 수요를 갖는 품목들의 통합발주정책

Joint Replenishment Policy for Items with Non-stationary Demands

  • 양영현 (한양대학교 정보경영공학과) ;
  • 김종수 (한양대학교 산업경영공학과) ;
  • 김태영 (동양미래대학 경영학부)
  • Yang, Young-Hyeon (Department of Information and Management Engineering, Hanyang University) ;
  • Kim, Jong-Soo (Department of Industrial and Management Engineering, Hanyang University, ERICA Campus) ;
  • Kim, Tai-Young (Department of Business Management, Dongyang Mirae University)
  • 투고 : 2011.05.04
  • 심사 : 2012.05.17
  • 발행 : 2012.06.01
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초록

This paper concerns a joint replenishment problem for a single buyer who sells multiple types of items to end-customers. The buyer periodically replenishes the inventory of each item to a preset order-up-to-level to satisfy the end customers' demands, which may be non-stationary. A joint replenishment policy characterized by variable order-up-to-levels is proposed for the buyer who wishes to minimize the expected cost of operating the retail system. The proposed policy starts each period by calculating the expected cost of ordering and not ordering action based on the information of the current inventory position and forecasted demand for the upcoming period. It then takes advantage of an integer programming model to get a cost effective joint replenishment plan. Computer experiment was performed to test efficiency of the proposed policy. When compared with the most efficient policy currently available, our policy showed a considerable cost savings especially for the problems having non-stationary demands.

키워드

참고문헌

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