Intelligent Fault Severity Detection of Rotating Machines Based on VMD-WVD and Parameter-Optimized DBN

Table 7

Monitoring and diagnosis results of 10 tests.

Algorithm	Average accuracy (%)	Standard deviation of accuracy
The proposed method	98.004	0.001
VMD-PSO-DBN	96.322	0.509
VMD-DBN	95.787	0.512
Non-opt DBN	93.859	0.554
BPNN	88.212	2.195