Generalized envelope nonlinear Gini index-gram guided two-stage chirp mode decomposition for shield machine main bearing fault diagnosis
Gang Shi, Chengjin Qin, Pengcheng Xia, Z Zhang, Chengliang Liu
Topics & Concepts
Fault (geology)ChirpBearing (navigation)EngineeringDemodulationFrequency bandNonlinear systemElectronic engineeringEnvelope (radar)Control theory (sociology)Time–frequency analysisNoise (video)Interference (communication)ShieldHilbert–Huang transformComputer scienceVibrationFeature extractionAcousticsInstantaneous phaseFrequency modulationStructural engineeringAlgorithmDecomposition method (queueing theory)Fault detection and isolationMachine Fault Diagnosis TechniquesMagnetic Bearings and Levitation DynamicsGear and Bearing Dynamics Analysis