DOI QR코드

DOI QR Code

A Dispatching Method for Manufacturing Process with Quality Volatilities

품질 변동성이 존재하는 제조공정을 위한 작업투입 방안

  • Shin, Hyun-Joon (Dept. of Management Engineering, Sangmyung University) ;
  • Ryu, Jae-Pil (Dept. of Management Engineering, Sangmyung University) ;
  • Son, Min (Dept. of Management Engineering, Sangmyung University)
  • 신현준 (상명대학교 경영공학과) ;
  • 유재필 (상명대학교 경영공학과) ;
  • 손민 (상명대학교 경영공학과)
  • Received : 2012.02.17
  • Accepted : 2012.04.12
  • Published : 2012.04.30

Abstract

In general, fault of a virtually finished product that is value-added one, since it has gone throughout the most of processes, may give rise to quality cost nearly amount to its selling price and can be a main cause that decreases the efficiency of manufacturing process. This paper proposes a dispatching algorithm for manufacturing process with quality volatilities with consideration of due-dates and required quality level. In order to evaluate the proposed algorithm, this paper examines the performance of the proposed method by comparing it with that of the existing dispatching algorithms in terms of minimizing the mean tardiness. In addition, from the perspective of process capability based on required quality level, this study shows the superiority of the proposed dispatching algorithm.

일반적으로 후반부 공정에서의 불량은 전 제조공정에서 누적되어 온 부가가치의 손실로써 거의 완성품 가격에 해당하는 품질비용을 유발하게 되고 제조공정의 효율성에 악영향을 미치게 된다. 본 연구에서는 품질 변동성이 존재하는 후반부 제조공정을 대상으로 고객이 요구한 납기와 품질수준을 동시에 반영하는 작업투입 알고리즘을 제안한다. 본 연구에서 제안한 알고리즘의 성능을 평가하기 위하여 평균납기지연을 최소화하는 것을 목적으로 기존에 널리 사용되고 있는 대안들과의 성능 비교를 실시하여 그 우수성을 확인한다. 또한 고객이 요구한 품질요구수준에 따른 공정능력 관점에서도 본 연구에서 제시한 알고리즘이 뛰어난 성능을 보이는 것을 입증하였다.

Keywords

References

  1. Flapper, S.D.P., J.C. Fransoo, R.A.C.M. Broekmeulen and K. Inderfurth, "Planning and control of rework in the process industries : review", Production Planning & Control, Vol.13, No.1, pp.26-34, 2002. https://doi.org/10.1080/09537280110061548
  2. Ko, H.H. and J.K. Baek, "Study on Dispatching for Quality and Productivity with Estimated Completion Time", Journal of The Korea Academic-Industrial Cooperation Society, Vol.11, No.3, pp.1095-1100, 2010. https://doi.org/10.5762/KAIS.2010.11.3.1095
  3. Lee, Y.H. and M. Pinedo, "Scheduling jobs on parallel machines with sequence-dependent setup times", European Journal of Operational Research, Vol.100, pp.464-474, 1997. https://doi.org/10.1016/S0377-2217(95)00376-2
  4. Shin, H.J., "A Real-Time Dispatching Algorithm for a Semiconductor Manufacture Process with Rework", Journal of the Semiconductor & Display Technology, Vol.10, No.1, pp.1-5, 2011.
  5. So, K.C. and Tang, C.S., "Optimal operating policy for a bottleneck with random rework," Management Science", Vol. 41, pp. 620-636, 1995. https://doi.org/10.1287/mnsc.41.4.620