Information interval spectrum: A novel methodology for rolling-element bearing diagnosis

•Framing and feature operators are used to replace envelopes.•Problems of excessive fast convergence of the fault relevant harmonics is solved.•The modulation of the rotation frequency component is eliminated. As a popular methodology in bearing fault diagnosis, envelope analysis also has limitation...

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Veröffentlicht in:	Measurement : journal of the International Measurement Confederation 2021-10, Vol.183, p.109899, Article 109899
Hauptverfasser:	Wang, Gongxian, Zhao, Bokun, Xiang, Lei, Li, Weidong, Zhu, Chao
Format:	Artikel
Sprache:	eng
Schlagworte:	Attenuation Bearing fault diagnosis Bearings Fault detection Fault diagnosis Fault harmonics Feature extraction Fluctuation feature Information interval spectrum Methodology Noise Roller bearings Signal to noise ratio Simulation Vibration
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