2-MACHINE AND 3-MACHINE FLOW-SHOP SCHEDULING PROBLEMS WITH EQUAL SIZED TRANSFER BATCHES

被引:73
作者
VICKSON, RG
ALFREDSSON, BE
机构
[1] Department of Management Sciences, University of Waterloo, Waterloo, ON
[2] ABB Production Systems AB, Vasteras
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1080/00207549208948107
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Transfer batches permit the processing of part of a job-lot on downstream machines before completion of the lot on the current machine. This paper studies the effects of transfer batches in two- and three-machine flow shops. It establishes conditions under which each unit of a job can optimally be viewed as a separate transfer batch. Issues of interrupted versus continuous production on downstream machines, and job-splitting (lot-sizing) are discussed. Examples are provided which show that even with a regular measure of performance and no setup times, job-splitting can yield a better solution than is possible without splitting jobs. A modification of Johnson's Algorithm for makespan minimization is derived under suitable conditions in two-machine flow shops and in special three-machine flow shops. An empirical study of transfer batch effects in two-machine flow shops is undertaken for both the makespan and the total flow time criteria under the assumption that jobs are not split. The no-split jobs restriction allows a meaningful comparison to be made between schedules with and without transfer batches.
引用
收藏
页码:1551 / 1574
页数:24
相关论文
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