Table 3 Range (search space) and selected values of hyperparameters.
From: Bayesian-optimized LSTM-DWT approach for reliable fault detection in MMC-based HVDC systems
Hyperparameter | Range | Selected value |
|---|---|---|
Learning rate | 1 × 10–5 to 1 × 10–2 | 0.009 |
Number of LSTM units | 50 to 500 | 129 |
Number of layers | 1 to 3 | 3 |
Batch size | 16 to 256 | 32 |
Dropout rate | 0 to 0.5 | 0.5 |