Composite Fault Diagnosis of Rolling Bearing Based on Optimized Wavelet Packet AR Spectrum Energy Entropy Combined with Adaptive No Velocity Term PSO-SOM-BPNN

Table 10

Comparison of bearing fault diagnosis results (axial direction of fault point).

Diagnostic method	Iteration steps	Diagnostic accuracy (%)
BPNN	135	97
ANVTPSO-SOM-BPNN	81	97