Single Feature Extraction Method of Bearing Fault Signals Based on Slope Entropy

Table 3

Identification ratios of the feature.

Signals	100 (%)	108 (%)	121 (%)	133 (%)	147 (%)	160 (%)	Average (%)
PE	60	91.25	77.5	63.75	62.5	66.25	70.21
WPE	100	96.25	43.75	58.75	97.5	48.75	74.17
DE	90	96.25	80	93.75	87.5	57.5	84.17
FDE	76.25	85	67.5	88.75	100	72.5	81.67
RDE	47.5	83.75	67.5	100	57.5	30	64.38
SloE	100	100	95	100	100	91.25	97.71