Research Article
A Comparison of Hour-Ahead Solar Irradiance Forecasting Models Based on LSTM Network
Table 8
The performance of the six models with the optimal parameters and structure.
| Model | Model I-A | Model I-B | Model II-AC | Model II-AD | Model II-BC | Model II-BD | Persistence | BPNN |
| RMSE (W/m2) | 75.22 | 71.0791 | 70.2837 | 69.7479 | 70.4761 | 62.1618 | 112.5854 | 76.9272 | nRMSE (%) | 38.12 | 36.895 | 36.4806 | 36.2076 | 36.5898 | 32.2702 | 58.4263 | 39.9215 | FS | 0.3476 | 0.36856 | 0.37566 | 0.3803 | 0.3737 | 0.4477 | 0 | 0.3167 | P1 (%) | 33.19 | 36.87 | 37.57 | 38.05 | 37.40 | 44.79 | 0 | 0.3167 | P2 (%) | 2.22 | 7.60 | 8.64 | 9.33 | 8.39 | 19.19 | ā46.35 | 0 |
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P1: the benchmark model is persistence model; P2: the benchmark model is BPNN model.
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