Deep Learning Enabled Fault Diagnosis Using Time-Frequency Image Analysis of Rolling Element Bearings

Table 11

Sensitivity for MFPT data set.

Model	Proposed CNN architecture	Architecture 1	Architecture 2
Scalogram 32 32	99.7%	99.8%	89.6%
Scalogram 96 96	99.9%	100.0%	96.5%
Spectrogram 32 32	79.7%	77.8%	73.6%
Spectrogram 96 96	90.8%	82.1%	74.8%
HHT 32 32	76.2%	74.4%	68.0%
HHT 96 96	95.3%	92.3%	67.7%