A review on vibration-based condition monitoring of rotating machinery
Monitoring vibrations in rotating machinery allows effective diagnostics, as abnormal
functioning states are related to specific patterns that can be extracted from vibration signals …
functioning states are related to specific patterns that can be extracted from vibration signals …
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 …
Flexible generalized demodulation for intelligent bearing fault diagnosis under nonstationary conditions
D Liu, L Cui, W Cheng - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
Rotating machinery fault diagnosis under nonstationary conditions still mainly relies on
manual analysis of the frequency spectrums or the time-frequency representations of …
manual analysis of the frequency spectrums or the time-frequency representations of …
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 …
Advanced bearing diagnostics: A comparative study of two powerful approaches
D Abboud, M Elbadaoui, WA Smith… - Mechanical Systems and …, 2019 - Elsevier
The last decade has witnessed spectacular advances in vibration-based fault detection of
rotating machines and, in particular, rolling element bearings. Nowadays, the related state of …
rotating machines and, in particular, rolling element bearings. Nowadays, the related state of …
Improved Envelope Spectrum via Feature Optimisation-gram (IESFOgram): A novel tool for rolling element bearing diagnostics under non-stationary operating …
Demodulation methods are widely used for bearing diagnostics, based often on the
(Squared) Envelope Spectrum after band pass filtering. One of the main challenges of these …
(Squared) Envelope Spectrum after band pass filtering. One of the main challenges of these …
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 …
Stochastic resonance of a high-order-degradation bistable system and its application in fault diagnosis with variable speed condition
Rolling element bearings play a critical role in rotating machines with variable speed
conditions, and their fault detection has attracted considerable interest from researchers in …
conditions, and their fault detection has attracted considerable interest from researchers in …
Enhancement of time-frequency post-processing readability for nonstationary signal analysis of rotating machinery: Principle and validation
D Zhang, Z Feng - Mechanical Systems and Signal Processing, 2022 - Elsevier
Rotating machinery signals are often composed of multiple components and are
nonstationary under practical time-varying conditions. In most cases, the constituent …
nonstationary under practical time-varying conditions. In most cases, the constituent …
Bearings in aerospace, application, distress, and life: a review
N Kumar, RK Satapathy - Journal of Failure Analysis and Prevention, 2023 - Springer
Despite enormous research, material, and manufacturing advancements in bearings, these
continue to fail in critical aerospace applications. Material and processing aspects of …
continue to fail in critical aerospace applications. Material and processing aspects of …