Fault diagnosis for rolling bearings under unknown time-varying speed conditions with sparse representation
Fatao Hou, Ivan Selesnick, Jin Chen, Guangming Dong
Topics & Concepts
Time–frequency analysisSparse approximationComputer scienceShort-time Fourier transformThresholdingControl theory (sociology)VibrationAlgorithmRobustness (evolution)Bearing (navigation)Fourier transformMathematicsArtificial intelligenceFourier analysisAcousticsComputer visionChemistryPhysicsMathematical analysisFilter (signal processing)Image (mathematics)BiochemistryGeneControl (management)Machine Fault Diagnosis TechniquesGear and Bearing Dynamics AnalysisAdvanced machining processes and optimization