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Journal cover: Journal of Manufacturing Technology Management

Journal of Manufacturing Technology Management

ISSN: 1741-038X
Previously published as: Integrated Manufacturing Systems

Online from: 2004

Subject Area: Operations and Logistics Management

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A model for design and performance estimation of pick-and-sort order picking systems


Document Information:
Title:A model for design and performance estimation of pick-and-sort order picking systems
Author(s):Gino Marchet, (Department of Management, Economics and Industrial Engineering, Politecnico di Milano, Milano, Italy), Marco Melacini, (Department of Management, Economics and Industrial Engineering, Politecnico di Milano, Milano, Italy), Sara Perotti, (Department of Management, Economics and Industrial Engineering, Politecnico di Milano, Milano, Italy)
Citation:Gino Marchet, Marco Melacini, Sara Perotti, (2011) "A model for design and performance estimation of pick-and-sort order picking systems", Journal of Manufacturing Technology Management, Vol. 22 Iss: 2, pp.261 - 282
Keywords:Automation, Materials handling, Order picking, Programming and algorithm theory, Sorting, Wavelengths
Article type:Research paper
DOI:10.1108/17410381111102252 (Permanent URL)
Publisher:Emerald Group Publishing Limited
Abstract:

Purpose – The purpose of this paper is to study the performances of “pick-and-sort” order-picking systems (OPSs) and investigate picking efficiency and design issues as a function of the number and length of the picking waves.

Design/methodology/approach – An analytical model is proposed to estimate the picking efficiency as a function of wavelength. The model, which has been tested by simulations, includes an algorithm to estimate the expected overlapping of order lines. Finally, a case study illustrates the use of the model in the initial assessment phase of OPS design, and resolves the trade-off between picking efficiency and sorting cost.

Findings – The effect of the wavelength on picking efficiency is calculated.

Research limitations/implications – The trade-off analysis between picking efficiency and sorting cost refers to a specific sorting system and picking area layout.

Practical implications – The paper provides a tool to support the design of “pick-and-sort” OPS, where the importance of the length of the picking wave emerges.

Originality/value – This paper presents an innovative model that can be used in the initial phase of “pick-and-sort” OPS design.



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