Table 3 Hyperparameters of the GRU model optimized using SSA for target sensor (H4 west).
From: A structural health monitoring data reconstruction method based on VMD and SSA-optimized GRU model
Missing data rate | Number of units | Max epochs | Learning rate |
|---|---|---|---|
10 | 319 | 246 | 1E-4 |
15 | 704 | 21 | 6.06401E-4 |
20 | 280 | 74 | 1.12125E-4 |
25 | 229 | 129 | 0.00322 |
30 | 727 | 209 | 0.00162 |
35 | 389 | 250 | 0.00327 |
40 | 355 | 201 | 0.00272 |
45 | 497 | 237 | 0.00181 |
50 | 646 | 166 | 0.00407 |
55 | 628 | 187 | 0.00475 |
60 | 131 | 79 | 0.00173 |
65 | 266 | 25 | 8.37818E-4 |
70 | 384 | 262 | 6.76796E-4 |
