Research Article

Fine-Grained Fault Diagnosis Method of Rolling Bearing Combining Multisynchrosqueezing Transform and Sparse Feature Coding Based on Dictionary Learning

Table 3

Comparison of the proposed method with state-of-the-art methods.

MethodConsidered working conditionsDiagnosis accuracy (%)

The proposed method1098.03
HHT + CNN [7]1095
MEISVM [24]796.22
SS-DPSOM [25]495.8
8WPE-MF + SVM [26]1088.9