Research Article
Joint Optimization of Item and Pod Storage Assignment Problems with Picking Aisles’ Workload Balance in Robotic Mobile Fulfillment Systems
Table 6
The layouts of the storage area in medium- and large-scale instances.
| Instances | | | |L| | |B| | (width : length) |
| Medium-scale | 250 | 200 | 240 | 500 | 3 (60 : 4) | 5 (30 : 8) | 7 (20 : 12) | 9 (15 : 16) | 11 (12 : 20) |
| Large-scale | 500 | 400 | 480 | 1500 | 3 (120 : 4) | 5 (60 : 8) | 7 (40 : 12) | 9 (30 : 16) | 11 (24 : 20) | 13 (20 : 24) | 16 (16 : 30) |
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