Research Article
Short-Term Power Prediction of Wind Power Generation System Based on Logistic Chaos Atom Search Optimization BP Neural Network
Table 1
Results of power prediction values for the four prediction models.
| | Sampling points | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
| | Measured values | 21.7242 | 19.7778 | 23.2253 | 35.6639 | 34.5001 | 29.7842 | 30.1208 | 30.6493 | 29.1846 | 41.0771 | | BP predicted values | 22.4122 | 20.7560 | 24.2829 | 36.3452 | 35.3211 | 30.2889 | 30.6706 | 31.1948 | 29.6624 | 41.4405 | | GA-BP predicted values | 21.5707 | 19.7018 | 22.9188 | 34.9702 | 33.7510 | 29.3096 | 29.6088 | 30.1063 | 28.6340 | 40.3058 | | PSO-BP predicted values | 21.6433 | 19.7858 | 23.0024 | 35.0307 | 33.8162 | 29.3884 | 29.6889 | 30.1845 | 28.7146 | 40.3577 | | LCASO-BP predicted values | 21.8132 | 19.8748 | 23.3081 | 35.6955 | 34.5366 | 29.8400 | 30.1753 | 30.7016 | 29.2429 | 41.0865 | | AE values of BP | 0.6880 | 0.9782 | 1.0576 | 0.6813 | 0.8209 | 0.5048 | 0.5498 | 0.5454 | 0.4778 | 0.3634 | | AE values of GA-BP | 0.1535 | 0.0760 | 0.3065 | 0.6936 | 0.7490 | 0.4746 | 0.5120 | 0.5430 | 0.5505 | 0.7712 | | AE values of PSO-BP | 0.0809 | 0.0080 | 0.2228 | 0.6331 | 0.6838 | 0.3958 | 0.4319 | 0.4648 | 0.4700 | 0.7194 | | AE values of LCASO-BP | 0.0889 | 0.0969 | 0.0827 | 0.0316 | 0.0364 | 0.0558 | 0.0545 | 0.0522 | 0.0583 | 0.0094 | | RE values of BP | 0.0316 | 0.0494 | 0.0455 | 0.0191 | 0.0238 | 0.0169 | 0.0183 | 0.0178 | 0.0163 | 0.0088 | | RE values of GA-BP | 0.0070 | 0.0038 | 0.0132 | 0.0194 | 0.0217 | 0.0159 | 0.0170 | 0.0177 | 0.0188 | 0.0187 | | RE values of PSO-BP | 0.0037 | 0.0004 | 0.0096 | 0.0177 | 0.0198 | 0.0133 | 0.0143 | 0.0151 | 0.0161 | 0.0175 | | RE values of LCASO-BP | 0.0040 | 0.0049 | 0.0035 | 0.0008 | 0.0010 | 0.0019 | 0.0018 | 0.0017 | 0.0020 | 0.0002 |
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