An Unsupervised Deep Feature Learning Model Based on Parallel Convolutional Autoencoder for Intelligent Fault Diagnosis of Main Reducer

Table 5

Fault diagnostic performance of different models.

Models	Training accuracy (%)	Testing accuracy (%)
BPNN	91.79	89.54
SVM	92.52	90.15
CNN	93.26	90.52
PCAE-DNN	98.18	95.86