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

Table 2

Simulation study of dumper 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	102.4000	95.7919	74.1198	88.6731	81.4871
2	101.3000	94.6828	74.1198	93.0404	81.4871
3	98.2000	91.5738	74.1198	94.5178	81.4871
4	97.7000	91.0648	74.1198	89.4572	81.4871
5	97.2000	90.5559	74.1198	87.9020	81.4871
6	96.8000	90.1469	85.8609	96.5394	94.5712
7	94.2000	87.5380	74.1198	82.7701	81.4871
8	94.1000	87.4291	85.8609	93.3190	94.5712
9	93.6000	86.9202	85.8609	94.0383	94.5712
10	93.2000	86.5113	85.8609	94.0383	94.5712
11	93.2000	86.5025	85.8609	84.6752	94.5712
12	92.5000	85.7937	85.8609	85.3944	94.5712
13	92.2000	85.4848	85.8609	86.3534	94.5712
14	90.6000	83.8760	85.8609	88.4398	94.5712
15	89.7000	82.9672	76.5756	85.3685	85.3813	7.27	5.77	8.20
16	88.3000	81.5585	76.5756	85.3685	85.3813
17	88.2000	81.4497	76.5756	88.5889	85.3813
18	87.6000	80.8410	76.5756	88.4139	85.3813
19	87.1000	80.3323	76.5756	87.6947	85.3813
20	86.8000	80.0236	76.5756	87.6947	85.3813
21	86.5000	79.7149	76.5756	85.1287	85.3813
22	86.2000	79.4063	74.3142	84.4095	85.3813
23	85.8000	78.9976	74.3142	84.4095	85.3813
24	85.6000	78.7890	73.2126	81.1891	85.3813
25	84.8000	77.9804	73.2126	83.1006	82.0894
26	84.2000	77.3718	75.3380	84.6557	82.0894
27	84.2000	77.3632	71.4890	81.4353	82.0894
28	83.7000	76.8547	72.0592	81.6103	82.7253
29	83.4000	76.5461	72.2342	82.3295	82.9287
30	82.8000	75.9376	72.2342	82.3295	82.9287