Multiscale Time-Frequency Sparse Transformer Based on Partly Interpretable Method for Bearing Fault Diagnosis

Table 2

The performance of different methods under the XJTU-SY dataset.

Method	Signal processing	Average accuracy (%)
CNN	Raw vibration signal	90.42
CNN-LSTM	Raw vibration signal	88.79
Bi-LSTM	TFR (SWT)	89.47
WRN-16-2	TFR (STFT)	90.53
TST	Raw vibration signal	93.37
TFT	TFR (SWT)	96.43
BAFT	Raw vibration signal	97.29
MTFST (proposed)	TFR (STFT)	99.34