Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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Determination of an Optimal Production Run Length in a Deteriorating Production Process with Rework

생산시스템이 불완전하여 재작업이 요구되는 상황에서의 최적 생산시간 결정에 관한 연구

  • Kim, Chang Hyun (School of Business and Commerce, Chonnam National University)
  • 김창현 (전남대학교 문화사회과학대학 경상학부)
  • Received : 2013.03.20
  • Accepted : 2013.09.12
  • Published : 2014.04.15
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Abstract

This paper presents an extended EMQ model which determines an optimal production run length in an deteriorating production process. The production process is subject to a random deterioration from an in-control state to an out-of-control state and thus producing some proportion of defective items. Defective items produced are re-processed in the rework process to convert them into non-defectives. Through the mathematical modeling, an optimal solution minimizing the average cost per unit time as well as minimum average cost are derived. Numerical experiment is carried out to examine the behavior of the proposed model depending on model parameters.

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References

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