Bearing diagnostics under strong electromagnetic interference based on Integrated Spectral Coherence

•Two methods based on CSCoh are proposed for bearing fault detection under strong EMI.•Two criteria are proposed for the estimation of IES.•IESFOgram indicates the optimum band for the estimation of IES.•The methods are compared to SOTA techniques on real vibration.•The methods achieve good results...

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Veröffentlicht in:	Mechanical systems and signal processing 2020-06, Vol.140, p.106673, Article 106673
Hauptverfasser:	Mauricio, Alexandre, Qi, Junyu, Smith, Wade A., Sarazin, Mathieu, Randall, Robert B., Janssens, Karl, Gryllias, Konstantinos
Format:	Artikel
Sprache:	eng
Schlagworte:	Bearing diagnostics Coherence Condition monitoring Critical components Cyclic Spectral Coherence Cyclostationarity Diagnostic systems Electromagnetic interference Fault detection Fault diagnosis Frequencies Gearboxes Methods Noise Production costs Random noise Roller bearings Rotating machinery Schedules Signal processing Spectra Vibration
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