Research Article
Improved Gradient-Based Optimizer for Modelling Thermal and Hydropower Plants
Table 8
Optimized parameters and SAE of model 3.
| | Unit | Optimized parameters using IGBO | SAE (GJ/h) | | a0 | a1 | a2 | a3 | LES [20] | PSO [20] | ABC [21] | DE [22] | RMO [24] | TLBO [26] | CSA [27] | WOA [28] | GBO | IGBO | | Min | Max | STD |
| | Unit 1 (coal) | 127.0667 | 3.1187 | 0.1999 | −0.0016 | 10.329 | 8.641 | 5.4224 | 4.8535 | 5.16098 | 5.176061 | 4.8608 | 5.2025 | 4.91581 | 4.85334 | 5.17221 | 0.08551 | | Unit 2 (oil) | 132.4999 | 3.3325 | 0.2059 | −0.0017 | 11.059 | 5.547 | 5.2407 | 4.8252 | 5.22355 | 5.19702 | 4.8412 | 5.1223 | 4.8312 | 4.82502 | 5.25315 | 0.12274 | | Unit 3 (gas) | 132.3331 | 3.625 | 0.2024 | −0.0016 | 10.148 | 5.799 | 5.7767 | 4.9167 | 5.2412 | 5.214059 | 4.9359 | 5.2439 | 4.9167 | 4.9167 | 5.21472 | 0.08995 |
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