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-scale2502002405003 (60 : 4)
5 (30 : 8)
7 (20 : 12)
9 (15 : 16)
11 (12 : 20)

Large-scale50040048015003 (120 : 4)
5 (60 : 8)
7 (40 : 12)
9 (30 : 16)
11 (24 : 20)
13 (20 : 24)
16 (16 : 30)