Research Article
An Intelligent Ensemble Neural Network Model for Wind Speed Prediction in Renewable Energy Systems
Table 5
Proposed criteria with computed mean square error for fixing the hidden neurons in ensemble neural network model.
| Proposed criteria for fixing number of hidden neurons |
Number of hidden neurons | Mean square error | MLP | Madaline | BPN | PNN | Ensemble NN |
| | 74 | 0.121 | 0.013 | 0.1573 | 0.025 | 0.079075 | | 4 | 0.059 | 0.082 | 0.0547 | 0.067 | 0.065675 | | 17 | 0.578 | 0.021 | 0.8859 | 0.038 | 0.380725 | | 90 | 1.3 | 0.874 | 0.2731 | 0.211 | 0.664525 | | 13 | 0.009 | 0.188 | 0.1527 | 0.055 | 0.101175 | | 69 | 0.013 | 0.19 | 2.0259 | 0.091 | 0.579975 | | 29 | 0.1 | 0.03 | 6.7517 | 0.089 | 1.742675 | | 52 | 0.007 | 0.82 | 8.6577 | 0.0278 | 2.378125 | | 12 | 0.2214 | 0.556 | 2.0249 | 0.015 | 0.704325 | | 59 | 0.4621 | 0.077 | | 0.0011 | 0.135142 | | 1 | 0.0995 | 0.07 | | | 0.042435 | | 80 | 0.1363 | 0.53 | | 0.1071 | 0.195275 | | 41 | 0.2578 | 0.449 | | 0.025 | 0.182957 | | 75 | 0.1934 | 0.781 | | | 0.243703 | | 54 | 0.772 | 0.81 | | | 0.401177 | | 16 | 0.188 | 0.026 | | | 0.053907 | | 88 | 1.418 | 0.578 | | | 0.499065 | | 21 | 0.08 | 0.53 | 0.4513 | 0.0735 | 0.283700 | | 9 | 0.188 | 1.024 | 0.0112 | 0.0771 | 0.325075 | | 8 | 0.135 | 0.0113 | 0.0094 | 0.0422 | 0.049475 | | 33 | 0.29 | 0.0084 | | 0.0366 | 0.083804 | | 101 | 0.071 | 0.0135 | | 0.1188 | 0.050834 | | 95 | 0.29 | 0.008 | | 0.2088 | 0.126706 | | 85 | 0.091 | 0.0848 | | 0.001 | 0.044301 | | 50 | 1.1039 | 0.0727 | 0.0697 | 0.1 | 0.336575 | | 92 | 0.416 | 0.0695 | 0.116 | 0.305 | 0.226625 | | 11 | 0.5746 | 0.0907 | 0.088 | 0.05 | 0.200825 | | 35 | 0.1611 | 0.0758 | 0.0497 | 0.0933 | 0.094975 | | 7 | 0.4042 | 0.0457 | | 0.5498 | 0.249926 | | 84 | 0.5825 | 0.0547 | | 0.2613 | 0.224647 | | 38 | 0.4303 | 0.0232 | 0.0231 | 0.578 | 0.263650 | | 97 | 0.7184 | 0.0155 | | 0.09 | 0.205975 | | 30 | 0.3417 | 0.0171 | | 0.084 | 0.110700 | | 46 | 0.467 | 0.049 | | 0.136 | 0.163001 | | 27 | 0.151 | 0.0723 | | 0.2279 | 0.112800 | | 70 | 0.2621 | 0.0278 | | 0.6392 | 0.232275 | | 20 | 0.3376 | 0.035 | | 0.3536 | 0.181561 | | 91 | 0.1544 | 0.0083 | 0.5036 | 0.661 | 0.331825 | | 44 | 0.195 | 0.0161 | 0.0095 | 1.63 | 0.462650 | | 77 | 0.2874 | 0.0118 | 0.0049 | 1.418 | 0.430525 | | 26 | 0.02 | 0.0092 | 0.0043 | 0.881 | 0.228625 | | 60 | 0.32 | 0.0113 | | 0.0414 | 0.093293 | | 66 | 0.539 | 0.0084 | | 0.0285 | 0.144114 | | 94 | 0.74 | 0.0135 | | 0.0541 | 0.201997 | | 2 | 0.04 | 0.0758 | | 0.0651 | 0.045225 | | 48 | 0.128 | 0.0881 | | 0.0959 | 0.078000 | | 67 | 0.171 | 0.1349 | | 0.0798 | 0.096425 | | 65 | 0.83 | 0.1079 | 0.5498 | 0.0487 | 0.384100 | | 53 | 0.171 | 0.1342 | 0.2613 | 0.0084 | 0.143725 | | 73 | 0.0907 | 0.2272 | 0.2808 | 0.0135 | 0.153050 | | 87 | 0.0758 | 0.0879 | 0.772 | 0.008 | 0.235925 | | 34 | 0.0881 | 0.0044 | 0.188 | 0.0116 | 0.073025 | | 89 | 0.1349 | 2.5344 | 1.418 | 0.086 | 1.043325 | | 58 | 0.1079 | 0.0029 | 0.08 | 0.0907 | 0.070375 | | 102 | 0.1342 | | 0.188 | 0.0758 | 0.099500 | | 61 | 0.0106 | | 0.0314 | 0.0586 | 0.025150 | | 18 | 0.0113 | | 0.2895 | | 0.075200 | | 55 | 0.0084 | 0.0055 | 0.1354 | | 0.037325 | | 31 | 0.0135 | 0.0259 | 0.01 | 0.0112 | 0.015150 | | 14 | 0.0446 | | 0.056 | 0.0075 | 0.027080 | | 62 | 0.1238 | 0.0072 | 0.578 | 2.209 | 0.729500 | | 45 | 0.1812 | 0.0178 | 0.541 | 0.0019 | 0.185475 | | 3 | 0.0359 | 1.8132 | 0.136 | 1.012 | 0.749275 | | 43 | 0.0618 | | 0.01 | 0.0244 | 0.024192 | | 99 | 0.217 | 0.0222 | 2.199 | | 0.609701 | | 57 | 0.0457 | 0.0014 | 1.418 | 0.0418 | 0.376725 | | 49 | 0.0547 | | 0.01 | 0.1089 | 0.043400 | | 96 | 0.082 | 0.5036 | 0.102 | 0.6826 | 0.342550 | | 5 | 0.0623 | 0.0095 | 0.281 | 0.5188 | 0.217900 | | 68 | 0.1264 | 0.0049 | 0.419 | 0.4704 | 0.255175 | | 81 | 0.1149 | 0.0043 | 0.071 | 3.9044 | 1.023650 | | 25 | 0.049 | 0.098 | 0.83 | 0.3826 | 0.339900 | | 56 | 0.0723 | | 0.135 | 0.736 | 0.235832 | | 47 | 0.0278 | | 0.075 | 0.7182 | 0.205342 | | 76 | 0.035 | 0.102 | 0.032 | 0.2251 | 0.098525 | | 6 | 0.0125 | 0.0637 | | 0.1006 | 0.044207 | | 24 | 0.0101 | 3.293 | | 0.3915 | 0.923655 | | 32 | 0.0083 | 0.0845 | | 0.1573 | 0.062622 | | 79 | 0.0161 | 3.2678 | | 0.2291 | 0.878490 | | 37 | 0.0118 | 2.8695 | | 1.7917 | 1.168295 | | 42 | 0.5746 | 1.9449 | | 0.0737 | 0.648367 | | 82 | 0.1611 | 1.7361 | | 0.0987 | 0.499096 | | 39 | 0.4042 | 0.6691 | | 0.5597 | 0.408351 | | 19 | 0.4438 | 0.0585 | 0.0034 | 0.0565 | 0.14055 | | 51 | 0.071 | 1.4727 | | 2.5634 | 1.02689 | | 22 | 0.031 | 0.9435 | | 0.0314 | 0.25170 | | 71 | 0.075 | 0.1603 | | 0.2895 | 0.13120 | | 40 | 0.032 | 0.0799 | | 0.1354 | 0.06182 | | 93 | 0.071 | 0.2478 | | 0.2613 | 0.14502 | | 78 | 0.29 | 0.2647 | 0.5036 | 0.2808 | 0.33477 | | 100 | 0.091 | 0.2325 | 0.0095 | 0.276 | 0.15225 | | 10 | 1.024 | 0.221 | 0.0049 | 0.5299 | 0.44495 | | 15 | 0.136 | 0.009 | 0.9315 | 0.0752 | 0.28792 | | 72 | 1.01 | 0.088 | 0.2581 | 0.0445 | 0.35015 | | 83 | 2.199 | 1.0171 | 0.3852 | 0.1892 | 0.94762 | | 36 | 1.418 | 0.2045 | 0.2573 | 0.1709 | 0.51267 | | 64 | 0.032 | 0.33 | 1.0982 | 0.076 | 0.38405 | | 86 | 0.82 | 0.8262 | 0.463 | 0.0397 | 0.53722 | | 63 | 0.228 | 0.7203 | 0.33 | 0.005 | 0.32082 | | 23 | 0.135 | 0.59 | 0.8262 | 0.0028 | 0.38850 | | 28 | 0.195 | 7.665 | 0.951 | 0.0013 | 2.20307 | | 98 | 0.2874 | 0.327 | 0.031 | 0.253 | 0.22460 |
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