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A Comparison of Three Popular Routing Policies for Lift-truck Order Picking
| 题名： | A Comparison of Three Popular Routing Policies for Lift-truck Order Picking |
| 正文语种： | eng |
| 作者： | Vitaly Brazhkin;William J. Rose |
| 作者单位： | University of West Florida;Iowa State University |
| 关键词： | warehouse operations; order picking; routing policy; lift truck; simulation |
| 摘要： | This study addresses order-picking routing optimization in a wide aisle of a mechanized warehouse. Efficiencies of the three popular heuristic policies (return, traversal, and Z-pick) are compared for different pick densities. A modified Z-pick policy with a flexible string length is proposed to increase its efficiency and accommodate lift-truck movement. The simulation-based results show that all three policies are not significantly different in the pick density region of 10-15 percent. The traversal policy performs better at pick densities below the region of indifference, while the return policy outperforms the others at higher pick densities. However, the Z-pick provides a viable universal alternative across all tested pick densities. |
| 出版年： | 2023 |
| 期刊名称： | Transportation Journal |
| 卷： | 62 |
| 期： | 1 |
| 页码： | 79-99 |
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