Research Article

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

Table 5

The average accuracy results of the dataset from MFPT.

MethodShFeature sizeAverage accuracy (%)

The proposed method0.78090.28
9092.35
10095.83
11093.06
HHT + CNN [28]32 × 3275.9
96 × 9692.9