Rolling Bearing Fault Diagnosis Using Modified Neighborhood Preserving Embedding and Maximal Overlap Discrete Wavelet Packet Transform with Sensitive Features Selection

Table 5

Bearing fault diagnosis results obtained by OFS-NPE-SVM.

Dimension size	MODWPT		WPT
	Case  1 testing accuracy (%)	Case  2 testing accuracy (%)	Case  1 testing accuracy (%)	Case  2 testing accuracy (%)
5	69.17	68.75	44.38	34.17
10	83.54	74.17	77.71	61.25
15	90.00	76.46	83.33	67.29
20	95.21	88.75	78.96	66.46
30	96.46	74.38	83.13	53.54