IEEE

Low-Rank Constrained Multikernel General Parameterized Time-Frequency Transform and Its Application in Rotating Machine Fault Diagnosis Under Varying Speed Condition

Abstract: A timely fault diagnosis is imperative to significantly improve the operational stability and safety of rotating machinery. Until now, several parameterized time-frequency (TF) analysis (TFA ...
IEEE

Hybrid Constraints Embedding Variational Nonlinear Chirp Mode Decomposition for Rotating Machine Fault Diagnosis Under Time-Varying Speed Conditions

Abstract: Accurate extraction of time-varying instantaneous frequency (IF) is crucial for fault diagnosis in rotating machinery operating under time-varying speed conditions, as real-world signals ...