Fault diagnosis of planetary gearbox with incomplete information using assignment reduction and flexible naive Bayesian classifier
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-1205-y
Abstract: In planetary gearbox operation, there are many uncertain factors that may result in incomplete diagnostic information, such as measurement instrument faults, limitation of transmission capacity, and data processing. Therefore, it has been one of the… read more here.
Keywords: information; planetary gearbox; gearbox; assignment reduction ... See more keywords
A novel hybrid compound fault pattern identification method for gearbox based on NIC, MFDFA and WOASVM
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-0209-1
Abstract: Gearbox compound fault pattern recognition is challenging because of its complexity and non-stationarity of the vibration signal. In this study is proposed a novel hybrid method based on narrow band interference canceller (NIC), multifractal detrended… read more here.
Keywords: method; fault pattern; gearbox; compound ... See more keywords
A comparative study of the effectiveness of vibration and acoustic emission in diagnosing a defective bearing in a planetry gearbox
Sign Up to like & getrecommendations! Published in 2017 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2016.07.026
Abstract: Whilst vibration analysis of planetary gearbox faults is relatively well established, the application of Acoustic Emission (AE) to this field is still in its infancy. For planetary-type gearboxes it is more challenging to diagnose bearing… read more here.
Keywords: vibration; study; acoustic emission; gearbox ... See more keywords
Gearbox fault diagnosis using acoustic signals, continuous wavelet transform and adaptive neuro-fuzzy inference system
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2018.10.013
Abstract: Abstract This paper proposes a method of diagnosing faults in a single stage spur gearbox based on an analysis of acoustic signals acquired under various fault conditions. The time domain acoustic signals acquired from the… read more here.
Keywords: continuous wavelet; gearbox; wavelet transform; fault ... See more keywords
Metabolism and difference iterative forecasting model based on long-range dependent and grey for gearbox reliability.
Sign Up to like & getrecommendations! Published in 2021 at "ISA transactions"
DOI: 10.1016/j.isatra.2021.05.002
Abstract: The reliability prediction of gearbox is a complex and challenging topic. The purpose of this research is to propose a hybrid difference iterative forecasting model to forecast reliability of the gearbox. On this score, a… read more here.
Keywords: metabolism; model; gearbox; forecasting model ... See more keywords
Complex scale feature extraction for gearbox via adaptive multi-mode manifold learning
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2020.108688
Abstract: Abstract The transient impacts with sideband modulation caused by some fault of gearbox are the technical basis for fault diagnosis, which will be inevitably interfered by heavy background noise distributed in complex modulation frequency bands.… read more here.
Keywords: mode; multi; method; manifold learning ... 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
Dynamic behaviour of three-dimensional planetary geared rotor systems
Sign Up to like & getrecommendations! Published in 2019 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2018.12.023
Abstract: Abstract A six degrees of freedom dynamic model of a planetary geared rotor system with equally spaced planets is developed by considering gyroscopic effects. The dynamic model is created using a lumped parameter model of… read more here.
Keywords: gearbox; model; planetary geared; planetary gearbox ... See more keywords
Nonlinear identification of one-stage spur gearbox based on pseudo-linear neural network
Sign Up to like & getrecommendations! Published in 2018 at "Neurocomputing"
DOI: 10.1016/j.neucom.2018.04.064
Abstract: Abstract This paper aims to study the new methodology of nonlinear system identification problem of one–stage spur gearbox. Consider the influence of the complicated factors, the model of a one–stage spur gearbox obviously possesses the… read more here.
Keywords: one stage; gearbox; stage spur; identification ... See more keywords
A hybrid DBN-SOM-PF-based prognostic approach of remaining useful life for wind turbine gearbox
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2020.01.042
Abstract: Abstract Gearbox is one of critical transmission components in wind turbine (WT) having a high downtime rate among all subcomponents. Fault prognostics and health management (PHM) of WT gearbox is crucial to their high reliability… read more here.
Keywords: dbn som; hybrid dbn; gearbox; life ... See more keywords
Coupling fault diagnosis of wind turbine gearbox based on multitask parallel convolutional neural networks with overall information
Sign Up to like & getrecommendations! Published in 2021 at "Renewable Energy"
DOI: 10.1016/j.renene.2021.06.088
Abstract: Abstract With the development of smart grid, capacity of wind power that connects to the grid increases gradually, which makes the continuous and stable operation of wind turbine (WT) critically important. Therefore, by considering gearbox… read more here.
Keywords: diagnosis; wind turbine; gearbox; based multitask ... See more keywords