Research Article

Application of Functional Link Artificial Neural Network for Prediction of Machinery Noise in Opencast Mines

Table 1

Simulation study of shovel noise.

Distance from the source (meters)Measured field data (dBA)Prediction result (dBA)Average percentage error (dBA)
VDIPPNFLANNLeNNPPNFLANNLeNN

1102.300095.6919 74.1198 88.6731 81.48717.035.688.42
2102.100095.4828 74.1198 94.3428 81.4871
398.600091.9738 74.1198 94.5178 81.4871
498.200091.5648 74.1198 89.4572 81.4871
597.500090.8559 74.1198 87.9020 81.4871
697.500090.8469 85.8609 96.5394 94.5712
796.700090.0380 85.8609 90.3449 94.5712
895.200088.5291 85.8609 93.3190 94.5712
993.300086.6202 85.8609 94.0383 94.5712
1092.400085.7113 85.8609 94.0383 94.5712
1191.500084.8025 85.8609 87.6493 94.5712
1291.500084.7937 85.8609 88.3686 94.5712
1391.300084.5848 85.8609 85.2195 94.5712
1490.400083.6760 85.8609 91.4140 94.5712
1588.800082.0672 76.5756 85.3685 85.3813
1688.400081.6585 76.5756 85.3685 85.3813
1787.900081.1497 76.5756 88.5889 85.3813
1887.100080.3410 76.5756 88.4139 85.3813
1986.700079.9323 76.5756 87.6947 85.3813
2086.300079.5236 76.5756 87.6947 85.3813
2185.700078.9149 76.5756 85.1287 85.3813
2285.200078.4063 74.3142 84.4095 85.3813
2385.300078.4976 74.3142 84.4095 85.3813
2485.500078.6890 73.2126 81.1891 85.3813
2585.500078.6804 73.2126 80.1264 82.0894
2685.300078.4718 75.3380 81.6816 82.0894
2784.700077.8632 71.4890 81.4353 82.0894
2884.200077.3547 72.2342 81.6103 82.7253
2983.800076.9461 72.2342 82.3295 82.9287
3082.700075.8376 72.2342 82.3295 82.9287