Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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A Production and Preventive Maintenance Policy with Two Types of Failures

두 가지 고장형태를 고려한 생산 및 예방보전 정책

  • 김호균 (동의대학교 산업공학과) ;
  • 조형수 (부산대학교 BK21 로지스틱스 사업팀)
  • Published : 2002.09.01
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Abstract

This paper studies an economic manufacturing quantity (EMQ) model with two types of failures and planned preventive maintenance of the production facility. One is a type I (major) failure which should be corrected by a failure maintenance and the other is a type H (minor) failure which can be minimally repaired without interrupting the production run. The objective is to determine the lot size and preventive replacement policy minimizing the long-run expected cost per unit time. We consider a control policy with a constant production lot size and preventive maintenance after completing n production runs. It is assumed that both preventive and failure maintenance times are random and the demand arriving during a stock-out period is lost. An expression for the expected cost per unit time is obtained in the general case. A special case is discussed and numerical results are provided.

Keywords

References

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