Quantitative and localization diagnosis of a defective ball bearing based on vertical–horizontal synchronization signal analysis

L Cui, J Huang, F Zhang - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
A novel method is proposed for quantitative and localization diagnosis of a bearing outer
ring defect in this paper. This method aims to distinguish these defects with different angular …

HVSRMS localization formula and localization law: Localization diagnosis of a ball bearing outer ring fault

L Cui, J Huang, F Zhang, F Chu - Mechanical Systems and Signal …, 2019 - Elsevier
The angle position of the outer ring fault has a significant influence on the residual life and
the operation performance of ball bearing. Therefore, the realization of the localization …

Train axle bearing fault detection using a feature selection scheme based multi-scale morphological filter

Y Li, X Liang, J Lin, Y Chen, J Liu - Mechanical Systems and Signal …, 2018 - Elsevier
This paper presents a novel signal processing scheme, feature selection based multi-scale
morphological filter (MMF), for train axle bearing fault detection. In this scheme, more than …

Chemical characteristics and source apportionment of PM2. 5 using PMF modelling coupled with 1-hr resolution online air pollutant dataset for Linfen, China

Y Li, B Liu, Z Xue, Y Zhang, X Sun, C Song, Q Dai… - Environmental …, 2020 - Elsevier
The chemical species in PM 2.5 and air pollutant concentration data with 1-hr resolution
were monitored synchronously between 15 November 2018 and 20 January 2019 in Linfen …

Parametric Doppler correction analysis for wayside acoustic bearing fault diagnosis

X Ding, Y Li, J Xiao, Q He, X Yang, Y Shao - Mechanical Systems and …, 2022 - Elsevier
Wayside acoustic system plays a crucial role in monitoring and diagnosing the status of train
wheel bearings. However, due to the signal distortion caused by Doppler effect, the …

Adaptive variational mode decomposition based on artificial fish swarm algorithm for fault diagnosis of rolling bearings

J Zhu, C Wang, Z Hu, F Kong… - Proceedings of the …, 2017 - journals.sagepub.com
The bearing fault diagnosis is of vital significance in maintaining the safety of rotation
machine. Among various fault detection techniques, the diagnosis based on vibration signal …

Wayside acoustic detection of train bearings based on an enhanced spline-kernelled chirplet transform

D Zhang, M Entezami, E Stewart, C Roberts… - Journal of Sound and …, 2020 - Elsevier
Wayside acoustic detection is an effective and economical technology for fault diagnosis of
train bearings. However, the technology has two main problems: Doppler Effect distortion …

[HTML][HTML] Decomposition algebras and axial algebras

T De Medts, SF Peacock, S Shpectorov… - Journal of Algebra, 2020 - Elsevier
We introduce decomposition algebras as a natural generalization of axial algebras,
Majorana algebras and the Griess algebra. They remedy three limitations of axial …

EEMD-based steady-state indexes and their applications to condition monitoring and fault diagnosis of railway axle bearings

C Yi, D Wang, W Fan, KL Tsui, J Lin - Sensors, 2018 - mdpi.com
Railway axle bearings are one of the most important components used in vehicles and their
failures probably result in unexpected accidents and economic losses. To realize a condition …

A novel Doppler Effect reduction method for wayside acoustic train bearing fault detection systems

D Zhang, M Entezami, E Stewart, C Roberts, D Yu - Applied acoustics, 2019 - Elsevier
Wayside acoustic detection of train bearing faults plays a significant role in maintaining
safety in the railway transport system. Due to the relative movement between the train and …