Economic design of refrigerated automated storage and retrieval systems

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The objective of this paper is the development of a design model for refrigerated automated storage and retrieval systems (R-AS/RS). Compared with ordinary unit-load AS/RS, the R-AS/RS under this study has several different design and operating characteristics: (1) greater emphasis is placed on the storage function and so it has a double-depth lane in the storage rack; (2) cooling units are required to maintain a cold temperature environment in the system; (3) the maximum number of storage orders handled per unit time is limited by the system capacity. Considering the above characteristics, the design problem is formulated as a non-linear mixed integer programming problem in which the cost of the system is minimized. The decision variables are the storage volume, the number of storage and retrieval (S/R) machines, the type and number of cooling units, and the physical configuration of the building. A case problem is solved to illustrate the model.
Publisher
GORDON BREACH SCI PUBL LTD
Issue Date
1999-01
Language
English
Article Type
Article
Keywords

OPTIMIZATION

Citation

ENGINEERING OPTIMIZATION, v.32, no.2, pp.249 - 266

ISSN
0305-215X
DOI
10.1080/03052159908941299
URI
http://hdl.handle.net/10203/68764
Appears in Collection
IE-Journal Papers(저널논문)
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