Cross-Condition Fault Diagnosis of Rolling Bearings Based on Time–Frequency Ridge Extraction and Uncertainty-Guided Distribution-Regularised Convolutional Wasserstein Autoencoder
Highlights What are the main findings? A tacholess ridge extraction method enables robust rotational-frequency estimation under noise and multi-component interference. UDR-CWAE improves latent representation through MMD-based distribution regularisation. What are the implications of the main findings? Single-rotation-c...