Feature extraction and classification algorithm, which one is more essential? An experimental study on a specific task of vibration signal diagnosis
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Machine Learning and Cybernetics"
DOI: 10.1007/s13042-021-01477-4
Abstract: With the development of machine learning, a data-driven model has been widely used in vibration signal fault diagnosis. Most data-driven machine learning algorithms are built based on well-designed features, but feature extraction is usually required… read more here.
Keywords: extraction; feature extraction; vibration signal; classification algorithm ... See more keywords
A Novel Denoising Model of Underwater Drilling and Blasting Vibration Signal Based on CEEMDAN
Sign Up to like & getrecommendations! Published in 2021 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-020-05274-z
Abstract: In underwater drilling and blasting engineering, the blasting vibration signal is mixed with a mass of noises due to the complexity of monitoring environment, the error of monitoring sensors and the reflection of propagation medium.… read more here.
Keywords: drilling blasting; model; denoising model; vibration signal ... See more keywords
The Research of Machinery Fault Feature Extraction Methods Based On Vibration Signal
Sign Up to like & getrecommendations! Published in 2018 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2018.08.202
Abstract: Abstract The vibration signal of machinery fault is complex, performing non-stationary characteristic. The classical filter can not extract low frequency impulse from the vibration signal. In this paper the machinery fault feature extraction methods will… read more here.
Keywords: vibration; feature extraction; machinery fault; vibration signal ... See more keywords
Optimal SES Selection Based on SVD and Its Application to Incipient Bearing Fault Diagnosis
Sign Up to like & getrecommendations! Published in 2018 at "Shock and Vibration"
DOI: 10.1155/2018/8067416
Abstract: Rotating machinery has extensive industrial applications, and rolling element bearing (REB) is one of the core parts. To distinguish the incipient fault of bearing before it steps into serious failure is the main task of… read more here.
Keywords: fault; optimal ses; incipient; fault diagnosis ... See more keywords
Vibration Signal Analysis of Water Seal Blasting Based on Wavelet Threshold Denoising and HHT Transformation
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Civil Engineering"
DOI: 10.1155/2020/4381480
Abstract: The blasting vibration signal obtained from tunnel construction monitoring is affected by the external environment, which contains a lot of noise that causes distortion during signal processing. To analyse the blasting vibration signal and determine… read more here.
Keywords: interval charge; vibration; water interval; charge ... See more keywords
Application of Feature Fusion Using Coaxial Vibration Signal for Diagnosis of Rolling Element Bearings
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/8831723
Abstract: The research of rolling element bearings (REBs) fault diagnosis based on single sensor vibration signal analysis is very common. However, the information provided by an individual sensor is very limited, and the robustness of the… read more here.
Keywords: diagnosis; vibration; coaxial vibration; element bearings ... See more keywords
A fault diagnosis method for rolling element bearing (REB) based on reducing REB foundation vibration and noise-assisted vibration signal analysis
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406218791209
Abstract: Owing to the problem of the incipient fault characteristics being difficult to be extracted from the raw vibration signal of rolling element bearing, based on the empirical mode decomposition and kurtosis criteria, a fault diagnosis… read more here.
Keywords: mode; element bearing; vibration; vibration signal ... See more keywords
Bearing fault diagnosis model using improved Bayesian information criterion-based variational modal decomposition and IGA-SVM
Sign Up to like & getrecommendations! Published in 2022 at "Advances in Mechanical Engineering"
DOI: 10.1177/16878132221142108
Abstract: In rotating machinery, the bearing vibration signal is easily covered by the vibration signal of other components, which makes the fault characteristic signal not obvious in the collected vibration signal. In order to better separate… read more here.
Keywords: modal decomposition; vibration signal; bayesian information; fault ... See more keywords
Analysis and selection of eigenvalues of vibration signals in cutting tool milling
Sign Up to like & getrecommendations! Published in 2022 at "Advances in Mechanical Engineering"
DOI: 10.1177/16878140221075197
Abstract: This paper designs an experimental scheme to monitor the tool wear state by extracting the vibration signal of tool wear. The data acquisition and signal processing hardware includes a T-type cutting tool, a vibration sensor,… read more here.
Keywords: tool; frequency; vibration signal; vibration ... See more keywords
Vibration signal modeling of a localized defective rolling bearing under unbalanced force excitations
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2017.18406
Abstract: Vibration signal modeling of a localized defective rolling bearing under unbalanced force excitations is carried out in this paper. A mass-spring-damping system with eight degrees of freedom is derived to consider the transverse vibrations and… read more here.
Keywords: force excitations; unbalanced force; signal modeling; vibration signal ... See more keywords
Measurement method of torsional vibration signal to extract gear meshing characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2018.18906
Abstract: A technique in measuring torsional vibration signal based on an optical encoder and a discrete wavelet transform is proposed for the extraction of gear meshing characteristics. The method measures the rotation angles of the input… read more here.
Keywords: torsional vibration; vibration; gear meshing; vibration signal ... See more keywords