Research Article
Truck and Unmanned Vehicle Routing Problem with Time Windows: A Satellite Synchronization Perspective
Table 3
Exact solutions for small-scale instances.
| Instance | TUVRP-TW formulation | TUVRP-TW-B formulation | ObjE | m/s/U | Time (s) | Obj | m/s/U | Time (s) |
| C1-6-25 | 46.2 | 0/0/1 | 35 | 46.2 | 0/0/1 | 4 | C1-6-50 | 46.2 | 0/0/1 | 5 | 46.2 | 0/0/1 | <1 | C1-6-75 | 46.2 | 0/0/1 | 2 | 46.2 | 0/0/1 | <1 | C1-7-25 | 70.6 | 1/1/0 | 673 | 82.2 | 0/0/2 | 214 | C1-7-50 | 72.7 | 1/1/0 | 35 | 82.2 | 0/0/2 | 8 | C1-7-75 | 72.7 | 1/1/0 | 11 | 82.2 | 0/0/2 | 3 | C1-8-25 | 67.2 | 1/1/0 | 276 | 81.5 | 1/0/1 | 60 | C1-8-50 | 67.2 | 1/1/0 | 33 | 81.5 | 0/0/2 | 5 | C1-8-75 | 81.5 | 0/0/2 | 4 | 81.5 | 0/0/2 | <1 | C1-9-25 | 115.9 | 1/1/0 | 867 | 126.2 | 0/0/2 | 143 | C1-9-50 | 126.2 | 0/0/2 | 138 | 126.2 | 0/0/2 | 7 | C1-9-75 | 126.2 | 0/0/2 | 11 | 126.2 | 0/0/2 | 3 | C1-10-25 | 106.4 | 1/1/0 | 14400 | 121.9 | 1/0/1 | 3967 | C1-10-50 | 121.9 | 0/0/2 | 14400 | 121.9 | 0/0/2 | 654 | C1-10-75 | 121.9 | 0/0/2 | 195 | 121.9 | 0/0/2 | 39 | C1-11-25 | 207.3 | 0/0/3 | 14400 | 207.3 | 0/0/3 | 2234 | C1-11-50 | 207.3 | 0/0/3 | 10413 | 207.3 | 0/0/3 | 304 | C1-11-75 | 207.3 | 0/0/3 | 670 | 207.3 | 0/0/3 | 57 | C1-12-25 | 208.9 | 1/0/2 | 14400 | 208.9 | 1/0/2 | 1656 | C1-12-50 | 221.8 | 0/0/4 | 1036 | 221.8 | 0/0/4 | 93 | C1-12-75 | 221.8 | 0/0/4 | 37 | 221.8 | 0/0/4 | 10 |
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Note. ∗ denotes that the computation time is exhausted.
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