Table 1 Comparison of optimization results
| Index | Cost before optimization ($/day) | Optimized cost ($/day) | Reduction ratio (%) |
|---|---|---|---|
| Fixed cost | 1645 | 1136 | 20 |
| Variable cost | 5457 | 4361 | 16.7 |
| Cooling cost | 1620 | 1110 | 20.1 |
| Damage cost | 1367 | 967 | 15.7 |
| Penalty cost | 992 | 576 | 24 |
| Total cost | 11,581 | 8150 | 19 |
