Recent advances in the application of deep learning for fault diagnosis of rotating machinery using vibration signals
Vibration measurement and monitoring are essential in a wide variety of applications.
Vibration measurements are critical for diagnosing industrial machinery malfunctions …
Vibration measurements are critical for diagnosing industrial machinery malfunctions …
Tacholess speed estimation in order tracking: A review with application to rotating machine fault diagnosis
Order tracking (OT), which is realized by signal sampling in equal-angle increment
according to the measured rotating speed, is a powerful technique for rotating machine fault …
according to the measured rotating speed, is a powerful technique for rotating machine fault …
Time-frequency ridge estimation: An effective tool for gear and bearing fault diagnosis at time-varying speeds
Y Li, X Zhang, Z Chen, Y Yang, C Geng… - Mechanical Systems and …, 2023 - Elsevier
For a rotary machine vibration signal collected under variable speed conditions, its time–
frequency representation (TFR) contains abundant oscillatory components with time-varying …
frequency representation (TFR) contains abundant oscillatory components with time-varying …
Tacho-less sparse CNN to detect defects in rotor-bearing systems at varying speed
A Kumar, G Vashishtha, CP Gandhi, H Tang… - … applications of artificial …, 2021 - Elsevier
Automatic identification of bearing and rotor defects, when operated at varying speed is
challenging. To make this challenging task possible, a tacho-less deep learning model is …
challenging. To make this challenging task possible, a tacho-less deep learning model is …
Rotating machinery fault diagnosis under time-varying speeds: A review
D Liu, L Cui, H Wang - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
Rotating machinery often works under time-varying speeds, and nonstationary conditions
and harsh environments make its key parts, such as rolling bearings and gears, prone to …
and harsh environments make its key parts, such as rolling bearings and gears, prone to …
Use of vibration signal to estimate instantaneous angular frequency under strong nonstationary regimes
Instantaneous angular frequency (IAF) is an inherent characteristic associated with
mechanical dynamics and contains adequate diagnostic information about rotating …
mechanical dynamics and contains adequate diagnostic information about rotating …
Fault diagnosis of wind turbines under nonstationary conditions based on a novel tacho-less generalized demodulation
D Liu, L Cui, W Cheng - Renewable Energy, 2023 - Elsevier
Abstract—The fault diagnosis of wind turbines under nonstationary conditions is still
challenging. This paper proposes a novel tacho-less generalized demodulation (NTLGD) …
challenging. This paper proposes a novel tacho-less generalized demodulation (NTLGD) …
Vibration analysis for large-scale wind turbine blade bearing fault detection with an empirical wavelet thresholding method
Blade bearings, also termed pitch bearings, are joint components of wind turbines, which
can slowly pitch blades at desired angles to optimize electrical energy output. The failure of …
can slowly pitch blades at desired angles to optimize electrical energy output. The failure of …
Extraction of instantaneous frequencies for signals with intersecting and intermittent trajectories
A multicomponent signal usually presents multiple trajectories with time-varying frequencies
and amplitudes in a time–frequency distribution (TFD). One can extract the ridges …
and amplitudes in a time–frequency distribution (TFD). One can extract the ridges …
Review and comparison of tacholess instantaneous speed estimation methods on experimental vibration data
Instantaneous speed estimation has become a key part of many condition monitoring
procedures for rotating machinery. The ability to track the rotational speed of a system is a …
procedures for rotating machinery. The ability to track the rotational speed of a system is a …