Research Article
A Stochastic Programming Approach for Resilient Hub Location in Power Projection Network considering Random Hub Failures
Table 2
Comparison results for the two models under different levels of hub reliability.
| | Model | Hub
reliability | Hub set | Expected cost
| Resilience | Solution time
(s) |
| | (I) | 1 | 1 3 4 5 7 10 11 12 14 15 | 3.3415 | 1 | 2.8 | | (II) | 1 3 4 5 7 10 11 12 14 15 | 3.3415 | 1 | 762.9 |
| | (I) | 0.95 | 1 3 4 5 7 10 11 12 14 15 | 3.4598 | 0.9658 | — | | (II) | 1 3 4 5 7 9 10 12 14 15 | 3.4414 | 0.9709 | 1806.6 |
| | (I) | 0.9 | 1 3 4 5 7 10 11 12 14 15 | 3.5837 | 0.9324 | — | | (II) | 1 3 4 5 7 9 10 12 14 15 | 3.5228 | 0.9485 | 4178.1 |
| | (I) | 0.8 | 1 3 4 5 7 10 11 12 14 15 | 3.8587 | 0.8660 | — | | (II) | 3 4 5 7 9 10 12 14 15 17 | 3.7789 | 0.8843 | 6260.4 |
| | (I) | 0.7 | 1 3 4 5 7 10 11 12 14 15 | 4.1702 | 0.8013 | — | | (II) | 3 4 5 7 9 10 12 14 15 16 | 4.0697 | 0.8211 | 7415.5 |
| | (I) | 0.6 | 1 3 4 5 7 10 11 12 14 15 | 4.5429 | 0.7355 | — | | (II) | 4 5 7 9 10 12 13 14 15 16 | 4.3620 | 0.7661 | 8476.2 |
| | (I) | 0.5 | 1 3 4 5 7 10 11 12 14 15 | 5.0240 | 0.6651 | — | | (II) | 4 5 7 8 10 12 13 14 15 16 | 4.6567 | 0.7176 | 9686.8 |
| | (I) | 0.4 | 1 3 4 5 7 10 11 12 14 15 | 5.8160 | 0.5745 | — | | (II) | 5 7 8 9 10 12 13 15 16 17 | 5.1602 | 0.6476 | 11368.7 |
| | (I) | 0.3 | 1 3 4 5 7 10 11 12 14 15 | 7.4326 | 0.4496 | — | | (II) | 4 5 7 8 9 10 12 13 14 16 | 6.2406 | 0.5354 | 13289.4 |
|
|
