Interpretable modulated differentiable STFT and physics-informed balanced spectrum metric for freight train wheelset bearing cross-machine transfer fault diagnosis under speed fluctuations
Chao He, Hongmei Shi, Ruixin Li, Jianbo Li, Zujun Yu
Topics & Concepts
Metric (unit)TrainDifferentiable functionShort-time Fourier transformComputer scienceFault (geology)Artificial intelligenceQuality (philosophy)Discriminative modelBearing (navigation)Machine learningAlgorithmEngineeringFourier transformMathematicsPhysicsMathematical analysisCartographyGeologyGeographyQuantum mechanicsOperations managementSeismologyFourier analysisMachine Fault Diagnosis TechniquesGear and Bearing Dynamics AnalysisRailway Engineering and Dynamics