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Yi-Fan Li

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Conference Open access Sep 2026

Instantaneous angular speed signal estimation using adaptive local frequency demodulation

The instantaneous angular speed (IAS) signal reflects the operating condition of the rolling bearing, and its estimation accuracy determines the performance of bearing fault diagnosis. Under variable-speed conditions, Frequency Demodulation struggles with fixed-bandwidth bandpass filters, resulting in significant resid...

Can-Wang-Hui Yang, Yao-Cheng Yang, Yi-Fan Li et al. · 0 citations
Aug 2026

Spectral trend-guided empirical wavelet transform and its application in wheelset-bearing fault diagnosis

Wheelset-bearing is a critical component for ensuring the safe and stable operation of high-speed trains, and its fault diagnosis is of great importance. Empirical wavelet transform (EWT) offers an adaptive decomposition framework for wheelset-bearing fault diagnosis, but its performance heavily depends on the selectio...

Qingsong Zhang, Jianming Ding, Yi-Fan Li · 0 citations

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