Residual Life Prediction of Metro Traction Motor Bearing Based on Convolutional Neural Network

Table 3

Recognition rate of each normalized eigenvalue.

Eigenvalue	Acoustic emission sensor (%)	Vibration sensor (%)
RMS	94.17	95.83
Kr	70.83	66.67
C	70.00	61.67
SD	93.33	95.00
Recognition rate of multiple eigenvalues of a single sensor	95.83	96.67
Comprehensive recognition rate of two sensors	98.33