Sparse and low-rank decomposition of the time–frequency representation for bearing fault diagnosis under variable speed conditions
Ran Wang, Haitao Fang, Longjing Yu, Liang Yu, Jin Chen
Topics & Concepts
Time–frequency analysisTime–frequency representationSparse approximationComputer sciencePattern recognition (psychology)Instantaneous phaseBearing (navigation)Short-time Fourier transformRobust principal component analysisFault (geology)Rolling-element bearingInterference (communication)Artificial intelligenceFault detection and isolationFeature extractionEnvelope (radar)Principal component analysisVibrationMathematicsFourier transformAcousticsComputer visionChannel (broadcasting)Computer networkFourier analysisTelecommunicationsRadarMathematical analysisGeologySeismologyPhysicsFilter (signal processing)ActuatorMachine Fault Diagnosis TechniquesGear and Bearing Dynamics AnalysisFault Detection and Control Systems