The use of bucket brigades in zone order picking systems

The use of bucket brigades in zone order picking systems

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Article ID: iaor200971596
Country: Germany
Volume: 31
Issue: 4
Start Page Number: 759
End Page Number: 774
Publication Date: Oct 2009
Journal: OR Spectrum
Authors:
Keywords: storage
Abstract:

As the transactions through electronic commerce and TV home shopping increase, the warehouses often receive a large amount of small orders to be picked within tight time windows. One of the important warehousing activities is order picking, the process of retrieving a number of items from warehouse storage to meet a number of independent customer orders. This paper examines a new order picking method, bucket brigade order picking (BB picking). Bucket brigade is a way of coordinating workers who progressively perform a set of operations on a flow line. In the BB picking system, a worker performs operations on an order until the next worker downstream takes it over; then goes back to the previous worker upstream to take over a new order. We discuss distinct characteristics in order picking systems when bucket brigades are applied. We identify some efficiency losses under the BB picking and present a new BB picking protocol to improve the performance of order picking systems. The new BB picking is compared with the existing BB picking and zone picking through simulation experiments.

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