TCM system in contour milling of very thick-very large steel plates based on vibration and AE signals
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2017.03.016
Abstract: Abstract This paper describes the design and test of a tool condition monitoring (TCM) system during a milling process with an especial king-size multiple insert tool for machining very high thickness and length steel plates.… read more here.
Keywords: steel plates; tcm system; vibration signals; system ... See more keywords
Change detection in rotational speed of industrial machinery using Bag-of-Words based feature extraction from vibration signals
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.06.047
Abstract: Abstract Detection of early changes in rotational speed is highly required in on-line process monitoring of industrial manufacturing and numerical controlled machining. This paper proposes a Bag-of-Words (BoW) based feature extraction method that uses vibration… read more here.
Keywords: feature extraction; based feature; rotational speed; bag words ... See more keywords
A new autocorrelation-based strategy for multiple fault feature extraction from gearbox vibration signals
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2020.108738
Abstract: Abstract A gearbox plays a key role in rotating machines, and its fault diagnosis is of great significance to reduce maintenance costs, unnecessary casualties and property losses. However, due to the concurrence of heavy Gaussian… read more here.
Keywords: fault; feature; multi fault; gearbox ... See more keywords
Normalization of vibration signals generated under highly varying speed and load with application to signal separation
Sign Up to like & getrecommendations! Published in 2017 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2016.04.017
Abstract: Abstract The paper presents a normalization dedicated to transform non-stationary vibration signals into signals characterized by purely stationary properties. For this purpose, a novel class of generalized periodic signals is defined followed by a proposition… read more here.
Keywords: vibration; normalization vibration; separation; signals generated ... See more keywords
Methodology for fault detection in induction motors via sound and vibration signals
Sign Up to like & getrecommendations! Published in 2017 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2016.06.032
Abstract: Abstract Nowadays, timely maintenance of electric motors is vital to keep up the complex processes of industrial production. There are currently a variety of methodologies for fault diagnosis. Usually, the diagnosis is performed by analyzing… read more here.
Keywords: vibration signals; methodology; induction motors; sound vibration ... See more keywords
Image representation of vibration signals and its application in intelligent compound fault diagnosis in railway vehicle wheelset-axlebox assemblies
Sign Up to like & getrecommendations! Published in 2020 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.107421
Abstract: Abstract Axlebox vibration signals contain critical status information regarding the operating state of a wheelset-axlebox assembly in railway vehicles, and an increasing number of studies have demonstrated the superiority of operating state diagnostic methods based… read more here.
Keywords: fault; image; vibration; compound ... See more keywords
Enhancing gearbox vibration signals under time-varying operating conditions by combining a whitening procedure and a synchronous processing method
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.107668
Abstract: Abstract Condition monitoring is very important to avoid unexpected breakdowns of expensive rotating machines found in the power generation and mining industries. The fault information in vibration signals is often buried in low energy frequency… read more here.
Keywords: time; method; varying operating; operating conditions ... See more keywords
Deconvolution of blast vibration signals by wiener filtering
Sign Up to like & getrecommendations! Published in 2018 at "Inverse Problems in Science and Engineering"
DOI: 10.1080/17415977.2017.1422734
Abstract: Abstract Ground vibration is one of the environmental concerns caused by mine blasts. The signature-hole technique, essentially the convolution of a single-hole signature with an impulse train function representing the timing of the blast, is… read more here.
Keywords: blast; blast vibration; vibration; deconvolution ... See more keywords
Blind Source Separation Method for Bearing Vibration Signals
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2017.2773665
Abstract: In underdetermined blind source separation (UBSS) of vibration signals, the estimation of the mixing matrix is often affected by noise and by the type of the used clustering algorithm. A novel UBSS method for the… read more here.
Keywords: vibration; source separation; mixing matrix; method ... See more keywords
Cyclic Spectral Analysis of Vibration Signals for Centrifugal Pump Fault Characterization
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2018.2804908
Abstract: Seal damage and cavitation are common faults during centrifugal pump operation. The characterization and recognition of these faults are investigated in this paper to improve the efficiency and reliability of pumps. A time-frequency signal analysis… read more here.
Keywords: pump; frequency; analysis; vibration signals ... See more keywords
Autocorrelation Aided Random Forest Classifier-Based Bearing Fault Detection Framework
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.2995109
Abstract: Rolling bearing defects in induction motors are usually diagnosed using vibration signal analysis. For accurate detection of rolling bearing defects, appropriate feature extraction from vibration signals is necessary, failure of which may lead to incorrect… read more here.
Keywords: fault; detection; vibration; vibration signals ... See more keywords