Refined Fusion Graph Spectrum Model: A Graph-Informed Multivariate Signal Processing Method for High-Speed Train Bogie Bearing Fault Diagnosis
Fault feature of high-speed train bogie bearing is readily masked by strong noise, while multisensor measurements provide complementary information for robust diagnosis. This article proposes a graph-informed multivariate signal processing method, termed the refined fusion graph spectrum model (RFGSM) for weak fault fe...