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

Table 3

Simulation study of grader 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	105.3000	98.6919	74.1198	89.9755	81.4871
2	103.4000	96.7828	74.1198	95.4768	81.4871
3	101.2000	94.5738	74.1198	92.6776	81.4871
4	98.7000	92.0648	74.1198	89.4572	81.4871
5	97.2000	90.5559	74.1198	87.9020	81.4871
6	95.5000	88.8469	74.1198	85.9905	81.4871
7	94.3000	87.6380	74.1198	82.7701	81.4871
8	94.1000	87.4291	85.8609	93.3190	94.5712
9	93.7000	87.0202	85.8609	94.0383	94.5712
10	93.2000	86.5113	85.8609	94.0383	94.5712
11	92.6000	85.9025	85.8609	87.6493	94.5712
12	91.8000	85.0937	85.8609	88.3686	94.5712
13	90.4000	83.6848	85.8609	88.1936	94.5712
14	88.6000	81.8760	85.8609	91.4140	94.5712
15	88.5000	81.7672	76.5756	85.3685	85.3813	9.56	6.15	9.76
16	88.2000	81.4585	76.5756	85.3685	85.3813
17	87.9000	81.1497	76.5756	88.5889	85.3813
18	87.3000	80.5410	76.5756	88.4139	85.3813
19	86.5000	79.7323	76.5756	87.6947	85.3813
20	85.8000	79.0236	76.5756	87.6947	85.3813
21	85.4000	78.6149	76.5756	85.1287	85.3813
22	85.1000	78.3063	74.3142	84.4095	85.3813
23	84.6000	77.7976	74.3142	84.4095	85.3813
24	84.2000	77.3890	73.2126	81.1891	85.3813
25	83.8000	76.9804	73.2126	83.1006	82.0894
26	83.2000	76.3718	63.5968	74.1068	66.3679
27	82.9000	76.0632	71.4890	81.4353	82.0894
28	82.5000	75.6547	60.3181	71.0614	67.0982
29	82.1000	75.2461	60.3181	71.7806	67.3327
30	81.8000	74.9376	60.3181	71.7806	67.3327