Fault Size Estimation of Bearings Using Multiple Decomposition Techniques with Artificial Neural Network

Table 3

Result of the proposed algorithm at levels 1, 2, and 3 for various continuous wavelet types.

S.No.	Wavelet	Fault diameter	Fault type	Level 1 entropy	Level 2 entropy	Level 3 entropy
1	meyr	0.007	Inner race	4.62044	4.56986	3.93129
2			Outer race	4.64571	3.89411	3.38638
3			Ball race	4.03286	4.49054	4.54296
4		0.014	Inner race	4.25968	4.61958	4.22894
5			Outer race	3.77234	4.29408	4.46133
6			Ball race	4.14535	4.5487	4.33351
7		0.021	Inner race	4.77644	4.03004	3.08791
8			Outer race	4.74821	3.99134	3.87167
9			Ball race	4.02679	4.4618	4.243
1	gaus1	0.007	Inner race	4.65305	4.67421	4.3627
2			Outer race	4.62621	4.6154	4.79962
3			Ball race	4.07647	4.07469	4.20235
4		0.014	Inner race	4.29213	4.41689	4.30321
5			Outer race	3.86109	3.84888	4.4136
6			Ball race	4.14574	4.18351	4.34164
7		0.021	Inner race	4.83451	4.77362	4.47731
8			Outer race	4.76385	4.56461	4.13111
9			Ball race	4.09455	4.13798	4.46649
1	morl	0.007	Inner race	4.61626	4.54568	3.84258
2			Outer race	4.58546	3.78241	3.33031
3			Ball race	4.02301	4.43336	4.25203
4		0.014	Inner race	4.01912	4.4764	4.52151
5			Outer race	3.7788	4.25778	4.44057
6			Ball race	4.12073	4.56879	4.17328
7		0.021	Inner race	4.78285	4.01478	3.20464
8			Outer race	4.73745	3.98008	3.30779
9			Ball race	4.00625	4.50274	4.29213
1	mexh	0.007	Inner race	4.65786	4.32452	4.22773
2			Outer race	4.63703	4.44181	4.23245
3			Ball race	4.09561	3.85489	3.7013
4		0.014	Inner race	4.29233	4.13797	4.2346
5			Outer race	3.83845	3.65736	3.79228
6			Ball race	4.15931	4.02797	4.18802
7		0.021	Inner race	4.81195	4.4722	4.11225
8			Outer race	4.78442	4.47225	4.1039
9			Ball race	4.08937	3.89522	4.12463