Results 11 to 20 of about 2,598,939 (297)

Fault detection and diagnosis of a plastic film extrusion process [PDF]

open access: yes, 2010
This paper presents a new approach to the design of a model-based fault detection and diagnosis system for application to a plastic film extrusion process. The design constructs a residual generator via parity relations.
UK EPSRC Industrial CASE Award (Funder)   +4 more
core   +4 more sources

Fault severity diagnosis of rolling element bearings based on kurtogram and envelope analysis [PDF]

open access: yes, 2014
Faults in rolling element bearing are among the main causes of breakdown in rotating machines. Vibration is an effective technique for machine condition monitoring.
Gu, Fengshou   +6 more
core   +7 more sources

Fault diagnosis of induction motor based on decision trees and adaptive neuro-fuzzy inference [PDF]

open access: yes, 2009
This paper presents a fault diagnosis method based on adaptive neuro-fuzzy inference system (ANFIS) in combination with decision trees. Classification and regression tree (CART) which is one of the decision tree methods is used as a feature selection ...
Yang, Bo-Suk   +5 more
core   +1 more source

A desktop environment for assessment of fault diagnosis based fault tolerant flight control laws [PDF]

open access: yes, 2008
We present a simulation based software environment conceived to allow an easy assessment of fault diagnosis based fault tolerant control techniques. The new tool is primary intended for the development of advanced flight control applications with fault ...
Gertjan Looye   +5 more
core   +1 more source

Fault Diagnosis of Rolling Bearings using Multifractal Detrended Fluctuation Analysis and Mahalanobis Distance Criterion [PDF]

open access: yes, 2012
Vibrations of a defective rolling bearing often exhibit nonstationary and nonlinear characteristics which are submerged in strong noise and interference components.
Gu, Fengshou   +3 more
core   +3 more sources

The fault detection and severity diagnosis of rolling element bearings using modulation signal bispectrum [PDF]

open access: yes
The rolling element bearing is a key part in many mechanical equipment. The accurate and timely diagnosis of its faults is critcal for predictive maintenance. Vibration signals from a defective bearing with a localized fault contain a series of impulsive
Gu, Fengshou   +3 more
core   +3 more sources

Blind Source Separation Method for Bearing Vibration Signals

open access: yesIEEE Access, 2018
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.
He Jun   +4 more
doaj   +1 more source

An Effective Gear Fault Diagnosis Method Based on Singular Value Decomposition and Frequency Slice Wavelet Transform

open access: yesInternational Journal of Rotating Machinery, 2016
The ability of the frequency slice wavelet transform (FSWT) to distinguish the fault feature is weak under the condition of strong background noise; in order to solve this problem, a fault feature extraction method combining the singular value ...
Fu-Cheng Zhou, Gui-Ji Tang, Yu-Ling He
doaj   +1 more source

Fractional Dimensionless Indicator with Random Forest for Bearing Fault Diagnosis under Variable Speed Conditions

open access: yesShock and Vibration, 2022
Fault diagnosis of rolling bearings under variable speed is a common issue in engineering practice, but it lacks an effective diagnosis algorithm, while approaches developed for steady speed cannot be directly applied.
Yujing Huang   +4 more
doaj   +1 more source

Impact of Fouling on Flow-Induced Vibration Characteristics in Fluid-Conveying Pipelines

open access: yesIEEE Access, 2016
This paper has addressed the common monitoring problems in petrochemical companies, which are caused by fouling and clogging in the circulating water heat exchangers, and has introduced techniques to monitor the heat exchanger's wall vibrations for early
Jianfeng Huang   +4 more
doaj   +1 more source

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