An improved local maximum synchrosqueezing transform with adaptive window width for instantaneous frequency identification of time-varying structures

L Tang, XQ Shang, TL Huang, NB Wang, WX Ren - Engineering Structures, 2023 - Elsevier
Civil engineering structures usually exhibit time-varying characteristics under operational
conditions due to changes in environment and loads. The identification of instantaneous …

A comparison of signal analysis techniques for the diagnostics of the IMS rolling element bearing dataset

D Sacerdoti, M Strozzi, C Secchi - Applied Sciences, 2023 - mdpi.com
In this paper, a comparison of signal analysis techniques for the diagnostics of rolling
element bearings is carried out. Specifically, the comparison is performed in terms of fault …

Fault diagnosis of low‐speed rolling bearing based on weighted reconstruction of vibration envelopes

Y Huang, W Zhang, K Wang, B Zhang, F Zhang… - Wind …, 2023 - Wiley Online Library
The main bearing supports the rotation of the main shaft of a wind turbine. It bears heavy
dead weights as well as variable speed dynamic loading during operations; thus, it is a …

A time-frequency method for induction motor fault feature extraction using instantaneous power signals

AL Sun, CD Duan - Journal of Physics: Conference Series, 2023 - iopscience.iop.org
To solve the issue that the characteristic frequencies of the broken rotor bar fault (BRBF) are
always submerged by the fundamental component during the stator current spectrum …