Research Article
Application of Functional Link Artificial Neural Network for Prediction of Machinery Noise in Opencast Mines
Table 5
Simulation study of dozer noise.
| Distance from the source (meters) | Measured field data (dBA) | Prediction result (dBA) | Average percentage error (dBA) | | VDI | PPN | FLANN | LeNN | PPN | FLANN | LeNN |
| 1 | 100.5000 | 93.8919 | 74.1198 | 85.6989 | 81.4871 | | | | 2 | 100.2000 | 93.5828 | 74.1198 | 93.0404 | 81.4871 | | | | 3 | 98.2000 | 91.5738 | 74.1198 | 94.5178 | 81.4871 | | | | 4 | 97.5000 | 90.8648 | 74.1198 | 92.4313 | 81.4871 | | | | 5 | 96.7000 | 90.0559 | 74.1198 | 87.9020 | 81.4871 | | | | 6 | 95.4000 | 88.7469 | 74.1198 | 85.9905 | 81.4871 | | | | 7 | 94.8000 | 88.1380 | 85.8609 | 93.3190 | 94.5712 | | | | 8 | 94.2000 | 87.5291 | 85.8609 | 93.3190 | 94.5712 | | | | 9 | 93.6000 | 86.9202 | 85.8609 | 94.0383 | 94.5712 | | | | 10 | 92.5000 | 85.8113 | 85.8609 | 94.0383 | 94.5712 | | | | 11 | 91.8000 | 85.1025 | 85.8609 | 87.6493 | 94.5712 | | | | 12 | 89.6000 | 82.8937 | 74.1198 | 77.8197 | 81.4871 | | | | 13 | 89.3000 | 82.5848 | 85.8609 | 88.1936 | 94.5712 | | | | 14 | 88.8000 | 82.0760 | 85.8609 | 91.4140 | 94.5712 | | | | 15 | 88.2000 | 81.4672 | 76.5756 | 85.3685 | 85.3813 | 10.94 | 6.32 | 9.53 | 16 | 87.9000 | 81.1585 | 76.5756 | 85.3685 | 85.3813 | | | | 17 | 87.4000 | 80.6497 | 76.5756 | 88.5889 | 85.3813 | | | | 18 | 86.6000 | 79.8410 | 76.5756 | 88.4139 | 85.3813 | | | | 19 | 85.5000 | 78.7323 | 64.8344 | 77.1458 | 70.1930 | | | | 20 | 85.5000 | 78.7236 | 76.5756 | 87.6947 | 85.3813 | | | | 21 | 84.8000 | 78.0149 | 64.8344 | 74.5798 | 70.1930 | | | | 22 | 84.3000 | 77.5063 | 62.5730 | 73.8606 | 70.1930 | | | | 23 | 84.2000 | 77.3976 | 62.5730 | 73.8606 | 70.1930 | | | | 24 | 83.8000 | 76.9890 | 61.4715 | 70.6402 | 70.1930 | | | | 25 | 83.5000 | 76.6804 | 61.4715 | 72.5517 | 66.3679 | | | | 26 | 83.5000 | 76.6718 | 75.3380 | 84.6557 | 82.0894 | | | | 27 | 82.8000 | 75.9632 | 59.7479 | 70.8864 | 66.3679 | | | | 28 | 82.5000 | 75.6547 | 60.3181 | 71.0614 | 67.0982 | | | | 29 | 82.4000 | 75.5461 | 72.0592 | 82.3295 | 82.9287 | | | | 30 | 82.4000 | 75.5376 | 72.2342 | 82.3295 | 82.9287 | | | |
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