Research Article
An Integrated Cumulative Transformation and Feature Fusion Approach for Bearing Degradation Prognostics
Figure 8
First four preferred features and corresponding cumulative features.
(a) WPE2, C-WPE2 |
(b) WPE5, C-WPE5 |
(c) WPE8, C-WPE8 |
(d) SDF, C-SDF |