Intelligent Fault Diagnosis of Bearing Based on Convolutional Neural Network and Bidirectional Long Short-Term Memory

Table 3

Dividing into 4 types of test diagnosis results.

Model	Average recognition rate (%)	Standard deviation	Calculation time (seconds)
CNN	99.92	0.0025	16.119
CNN-LSTM	99.92	0.0025	22.711
CNN-BLSTM	100	0	27.183