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The Storage Method of a Leaf Tobacco Warehouse in Leaf Tobacco Factory  

Han-Joo Chung (KT&G Central Research Institute)
Byong-Kwon Jeh (KT&G Central Research Institute)
Yong-Ok Kim (KT&G Central Research Institute)
Publication Information
Journal of the Korean Society of Tobacco Science / v.25, no.1, 2003 , pp. 53-58 More about this Journal
Abstract
This study deals with the leaf tobacco assignment problem of a leaf tobacco warehouse with multiple input points and single output point. Also, the number of storage frequences is not necessary the same as that of retrieval for each leaf tobacco. A mathematical model is developed with the objective of minimizing the total travel distance associated with storage and retrieval operations. We also develop several heuristics based on the retrieval order frequency, retrieval/storage frequency ratio of leaf tobacco, and ABC curve. It is observed that the ABC curve based heuristic gives the best solution which is near optimal. Based on the test results from real world data, the ABC curve based heuristic is found to give a best performance. Comparing to current assignment method, the ABC curve based heuristic reduced total travel distance about 17.2%.
Keywords
logistics; warehouse; leaf tobacco; heuristics;
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