An integrated model for the design of end-of-aisle order picking system and the determination of unit load sizes of AGVs

Authors:
Hark Hwang;Seongwoo Moon;Mitsuo Gen
Affiliations:
Department of Industrial Engineering, Korea Advanced Institute of Science and Technology (KAIST), 373-1 Kusong-dong Yusong-gu, Taejon 305-701, South Korea;Supply Chain and Operation Solution Division, PricewaterhouseCoopers Consulting Korea, 40F, ASEM Tower, 159-1 Samsung-dong, Kangnam-ku, Seoul 135-798, South Korea;Department of Industrial and Systems Engineering, Ashikaga Institute of Technology, Ashikaga 326, Japan
Venue:
Computers and Industrial Engineering - 26th International conference on computers and industrial engineering
Year:
2002

Citing 2
Cited 1

Design and performance models for end-of-aisle order picking systems

Management Science
On Approximate Computer System Models

Journal of the ACM (JACM)

Evolutionary techniques for optimization problems in integrated manufacturing system: State-of-the-art-survey

Computers and Industrial Engineering

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Abstract

In this paper, we deal with an assembly line production system in which an automated guided vehicle (AGV) delivers parts to each workstation of assembly lines from a miniload automated storage/retrieval system (AS/RS). Each assembly production line is characterized by a sequence of workstations linked together for the production of a given type of product. We consider simultaneously the design problem of miniload AS/RS and the problem of determining a unit load size of the AGV. First, a non-linear mathematical model is formulated under a proposed AGV dispatching policy. And then, we determine an appropriate sequence of lines of the vehicle visits. Finally, based on the characteristics of the objective function and feasible region of the decision variables, a heuristic solution procedure is developed to find a near optimal solution. To examine the validity of the model, an example problem is solved.