Optimization of a 3-Class-based Dedicated Linear Storage System

3지역/ 지정위치 일차선형 저장시스템의 최적화

  • Yang, Moonhee (Department of Industrial Engineering, Dankook University) ;
  • Kim, Sun-uk (Department of Industrial Engineering, Dankook University)
  • Published : 2004.09.30

Abstract

In this paper, we address a layout design problem, PTL[3], for determining an optimal 3-class-based dedicated linear storage layout in a class of unit load storage systems. Our objective is to minimize the expected single command travel time. We analyze PTL[3] to derive a fundamental property that an optimal solution to PTL[3] is one of the partitions based on the PAI(product activity index)-nonincreasing ordering. Using the property and partial enumeration, we construct an efficient exact algorithm with O $(n\;{\lceil}\;log\;n\;{\rceil}\;)$ for solving PTL[3].

Keywords

References

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