期刊
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW
卷 44, 期 5, 页码 696-719出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tre.2007.03.002
关键词
order picking; batch picking; zone picking; work load-imbalance; sorting system
An order picking strategy in a distribution center (DC) defines the manner in which pickers navigate the picking area to pick items from storage locations. We focus on the problem of selecting between a batch picking and a zone picking strategy. For this problem, we propose a cost model to estimate the cost of each type of picking strategy. In our cost model we consider the effects of pick-rate, picker blocking, workload-imbalance, and the sorting system requirement. Through an example problem, we show how system throughput, order sizes, item distribution in orders, and wavelength affect the picking strategy selection decision. (c) 2007 Elsevier Ltd. All rights reserved.
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