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)
VDIPPNFLANNLeNNPPNFLANNLeNN

1100.500093.8919 74.1198 85.6989 81.4871
2100.200093.5828 74.1198 93.0404 81.4871
398.200091.5738 74.1198 94.5178 81.4871
497.500090.8648 74.1198 92.4313 81.4871
596.700090.0559 74.1198 87.9020 81.4871
695.400088.7469 74.1198 85.9905 81.4871
794.800088.1380 85.8609 93.3190 94.5712
894.200087.5291 85.8609 93.3190 94.5712
993.600086.9202 85.8609 94.0383 94.5712
1092.500085.8113 85.8609 94.0383 94.5712
1191.800085.1025 85.8609 87.6493 94.5712
1289.600082.8937 74.1198 77.8197 81.4871
1389.300082.5848 85.8609 88.1936 94.5712
1488.800082.0760 85.8609 91.4140 94.5712
1588.200081.4672 76.5756 85.3685 85.381310.946.329.53
1687.900081.1585 76.5756 85.3685 85.3813
1787.400080.6497 76.5756 88.5889 85.3813
1886.600079.8410 76.5756 88.4139 85.3813
1985.500078.7323 64.8344 77.1458 70.1930
2085.500078.7236 76.5756 87.6947 85.3813
2184.800078.0149 64.8344 74.5798 70.1930
2284.300077.5063 62.5730 73.8606 70.1930
2384.200077.3976 62.5730 73.8606 70.1930
2483.800076.9890 61.4715 70.6402 70.1930
2583.500076.6804 61.4715 72.5517 66.3679
2683.500076.6718 75.3380 84.6557 82.0894
2782.800075.9632 59.7479 70.8864 66.3679
2882.500075.6547 60.3181 71.0614 67.0982
2982.400075.5461 72.0592 82.3295 82.9287
3082.400075.5376 72.2342 82.3295 82.9287