A Novel Multiscale Deep Health Indicator with Bidirectional LSTM Network for Bearing Performance Degradation Trend Prognosis

Table 3

Table of fusion indicator values for decomposing characteristic parameters of different decomposition layers.

	N = 1	N = 2	N = 3	N = 4	N = 5	N = 6
AMV	0.7643	0.7607	0.7951	0.7752	0.7208	0.6141
Variance	0.5500	0.5399	0.6747	0.6401	0.5657	0.4242
RMS	0.7476	0.7418	0.7839	0.7472	0.6913	0.5842
Peak value	0.6474	0.6028	0.7055	0.6776	0.6312	0.5087
ES	0.5500	0.5399	0.6747	0.6401	0.5657	0.4242
Average	0.6519	0.6370	0.7268	0.6960	0.6350	0.5111