Research Article

A Novel Method for Diagnosis of Bearing Fault Using Hierarchical Multitasks Convolutional Neural Networks

Table 3

Comparison of diagnosis accuracy with other models in different noise environments.

MethodsSNR
āˆ’4āˆ’20246810

SVM0.6630.7240.7350.7610.8120.8220.8230.826
BPNN0.6010.6230.6560.6830.7020.8320.8450.854
CNN0.6510.6870.7870.8110.8320.8560.8640.886
LSTM0.6520.6630.7520.7870.8220.8340.8500.852
HMCNN0.8450.9160.9320.9500.9720.9830.9850.991