Journal
APPLIED MATHEMATICAL MODELLING
Volume 28, Issue 8, Pages 735-750Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2003.12.007
Keywords
AGV; bi-directional; flowpath; p/d points; Lagrangian relaxation
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This paper tackles the problem of simultaneously locating the pick-up/drop-off (p/d) points along the periphery of a cell and determining the flowpath for an AGV based material handling system. A mathematical model to determine the p/d points as well as flowpath for a bi-directional AGV is presented. The model is solved using the Lagrangian relaxation technique. It incorporates features such as user-defined unloaded travel and separate loaded and unloaded flowpaths so as to aid in efficient operation of the material handling system. (C) 2004 Elsevier Inc. All rights reserved.
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