Fig 1.
The structure of the fault diagnosis method.
Fig 2.
1D-DDPM schematic.
Table 1.
The specific calculation formulas for each feature.
Fig 3.
The structure of the 1DCNN.
Table 2.
Description of the CWRU datasets.
Table 3.
Diagnostic results of different generated samples.
Fig 4.
The gap between original data and generate data.
Table 4.
Mixed datasets of rolling bearing samples in different states.
Table 5.
The hyperparameters settings.
Fig 5.
The accuracy and loss of the fault diagnosis methods.
Table 6.
The result of the four fault diagnosis methods using CWRU.
Fig 6.
The confusion matrix of the different algorithms.
Table 7.
The accuracy for each operation condition of different algorithms.
Table 8.
Description of the JNU datasets.
Fig 7.
The confusion matrix of different algorithms in JNU datasets.
Table 9.
The results of the four fault diagnosis methods using JNU.
Table 10.
Comparison between fault diagnosis methods.