Research Article
An Improved L-Shaped Method for Solving Process Flexibility Design Problems
Table 6
Numeric study results (unbalanced systems).
| ā | () | () | () | ā | Time [s] | Gap (%) | Time [s] | Gap (%) | Time [s] | Gap (%) |
| MIP | 583 | 0.00 | 3600 | 0.07 | 3600 | 95.88 | Single-cut | 2506 | 0.19 | 3600 | 7.83 | 3600 | 15.03 | HC | 579 | 0.00 | 3600 | 5.05 | 3600 | 13.00 | HC-PC | 430 | 0.00 | 3600 | 5.05 | 3600 | 13.00 | HC-PC-TR | 348 | 0.00 | 2052 | 0.01 | 3600 | 0.94 | HC-AM | 485 | 0.00 | 3600 | 3.87 | 3600 | 6.13 | HC-PC-AM | 345 | 0.00 | 3600 | 3.87 | 3600 | 6.13 | HC-PC-TR-AM | 90 | 0.00 | 1831 | 0.00 | 3600 | 0.69 | HC-WS | 271 | 0.00 | 3600 | 0.22 | 3600 | 2.62 | HC-WS-AM | 268 | 0.00 | 3600 | 0.17 | 3600 | 2.57 | HC-PC-SC | 513 | 0.00 | 3600 | 4.32 | 3600 | 9.55 |
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