Cell Formation Considering the Minimization of Manufacturing Leadtime in Cellular Manufacturing Systems

셀룰러 생산시스템에서 생산 리드타임의 최소화를 고려한 셀 구성 방법

  • Yim, Dong-Soon (Department of Industrial and Systems Engineering, Hannam University) ;
  • Woo, Hoon-Shik (Department of Internet and Information Engineering, Daejon University)
  • 임동순 (한남대학교 산업시스템공학과) ;
  • 우훈식 (대전대학교 인터넷정보공학과)
  • Published : 2004.12.31

Abstract

In this study, a machine grouping problem for the formation of manufacturing cells is considered. We constructed the problem as minimizing manufacturing leadtime consisting of parts' processing, moving, and waiting time. Specifically, the main objective of the defined problem is established as minimizing inter-cell traffic in order to minimize the part's moving time. In addition, to reduce the waiting time of parts, the load balance among cells is implicitly included as constraints. Since this problem is well known as NP-complete and cannot be solved in polynomial time, a genetic algorithm is implemented to obtain solutions. Also, a local optimization algorithm is applied in order to improve the solution by the genetic algorithm. Several experiments show that the suggested algorithms guarantee near optimal solutions in a few seconds.

Keywords

References

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