Research Article
A Building-Block-Based Genetic Algorithm for Solving the Robots Allocation Problem in a Robotic Mobile Fulfilment System
| | Parameter | Value |
| | Number of shelves in the vertical of shelf block | 2 | | Number of shelves in the horizontal of a shelf block | 5 | | Number of cross aisles | 10 | | Number of aisles | 20 | | Number of shelves | 1800 | | Length of the side aisle | 5m | | Unit length | 1m | | Number of picking stations | 3 | | Buffer of picking stations | 5 | | Picking time | 10s,50s] | | Number of robots | 6, 15, 24, 42 | | Velocity of robots | 1m/s | | The time that the robot lifts and lowers the shelf | 1s | | Number of storage location per zone | A: 20%, B: 30%, C: 50% | | Selected probability of shelf | A: 70%, B:25%, C:5% | | Number of tasks in each station | 40 |
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