An adaptive prediction approach for rolling bearing remaining useful life based on multistage model with three-source variability

S Liu, L Fan - Reliability Engineering & System Safety, 2022 - Elsevier
The prediction of remaining useful life (RUL) of rolling bearing is core content of equipment
prognosis and health management. For rolling bearings, the degradation trend can be …

Improved Envelope Spectrum via Feature Optimisation-gram (IESFOgram): A novel tool for rolling element bearing diagnostics under non-stationary operating …

A Mauricio, WA Smith, RB Randall, J Antoni… - … Systems and Signal …, 2020 - Elsevier
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 …

Selection of efficient degradation features for rolling element bearing prognosis using Gaussian Process Regression method

PS Kumar, LA Kumaraswamidhas, SK Laha - ISA transactions, 2021 - Elsevier
Abstract Rolling Element Bearings are one of the most ubiquitous machine elements used in
various machineries in the manufacturing industry. Prognosis and estimation of residual life …

Detectivity: A combination of Hjorth's parameters for condition monitoring of ball bearings

M Cocconcelli, M Strozzi, JCC Molano… - Mechanical Systems and …, 2022 - Elsevier
Hjorth's parameters are statistical time-domain parameters used in signal processing and
introduced by Bo Hjorth in 1970. These parameters are Activity, Mobility and Complexity …

Impact of noise model on the performance of algorithms for fault diagnosis in rolling bearings

F Pancaldi, L Dibiase, M Cocconcelli - Mechanical Systems and Signal …, 2023 - Elsevier
Condition monitoring of rolling bearings is attracting much interest since most of the
production slowdowns depends on the damaging of these components. Several algorithms …

A new impact model for vibration features of a defective ball bearing

J Liu, L Xue, L Wang, Z Shi, M Xia - ISA transactions, 2023 - Elsevier
Impact features caused by the bearing defects can be used to detect the defect sizes. The
current defective vibration models for ball bearings only considered the effect of defect …

Entropy measures for early detection of bearing faults

GNP Leite, AM Araújo, PAC Rosas, T Stosic… - Physica A: statistical …, 2019 - Elsevier
This paper investigates the performance of the 12 entropy-based features for the monitoring
and detection of bearing faults. These entropy measures were proposed both in time …

Blind deconvolution criterion based on Fourier–Bessel series expansion for rolling element bearing diagnostics

E Soave, G D'Elia, M Cocconcelli, M Battarra - Mechanical Systems and …, 2022 - Elsevier
In the last years, Blind Deconvolution methods demonstrated their effectiveness for the
diagnostics of rotating machines through the extraction of impulsive signatures directly from …

Acoustic detection of bearing faults through fractional harmonics lock-in amplification

M del Rosario Bautista-Morales… - Mechanical Systems and …, 2023 - Elsevier
Bearing failure detection in induction motors is vital to prevent breakdowns and dead times
in industrial processes. Non-invasive detection of bearing faults can be performed by …

A tool for validating and benchmarking signal processing techniques applied to machine diagnosis

M Buzzoni, G D'Elia, M Cocconcelli - Mechanical Systems and Signal …, 2020 - Elsevier
This paper proposes a tool for the generation of synthetic mechanical signatures of faulted
gears and bearings in non-stationary conditions. Synthetic signals are commonly used to …