Diagnostic method by using vibration analysis for pump fault detection
TLDR
The presented outcomes demonstrate the ability of the proposed algorithm in accurately detect the presence of cavitation phenomena and to determine its intensity in pump real time operation, suggesting it may be a powerful tool for early detection of pumps incipient faults.About:
This article is published in Energy Procedia.The article was published on 2018-08-01 and is currently open access. It has received 28 citations till now. The article focuses on the topics: Gear pump & Cavitation.read more
Citations
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Journal ArticleDOI
Cavitation intensity recognition for high-speed axial piston pumps using 1-D convolutional neural networks with multi-channel inputs of vibration signals
TL;DR: The experimental results show that the proposed anti-noise 1-D CNN model with multi-channel inputs can achieve 15% higher recognition accuracy than its counterpart with single-channel input on a testing set with SNR = 5 dB.
Journal ArticleDOI
Intelligent Fault Diagnosis of Hydraulic Piston Pump Based on Wavelet Analysis and Improved AlexNet.
TL;DR: In this paper, a novel intelligent fault diagnosis method for hydraulic piston pump is proposed via combining wavelet analysis with improved convolutional neural network (CNN) by modifying the structure of network.
Journal ArticleDOI
A multi-task learning for cavitation detection and cavitation intensity recognition of valve acoustic signals
Yufei Sha,J. K. Faber,Shuiping Gou,Bo Liu,Wei Liu,Stefan Schramm,Horst Stoecker,T. Steckenreiter,Domagoj Vnucec,Nadine Wetzstein,A. Widl,Kai Zhou +11 more
TL;DR: In this paper , a multi-task learning framework for simultaneous cavitation detection and cavitation intensity recognition was proposed using 1-D double hierarchical residual networks (1-D DHRN) for analyzing valve acoustic signals.
Journal ArticleDOI
An acoustic signal cavitation detection framework based on XGBoost with adaptive selection feature engineering
Yu Sha,J. K. Faber,Shuiping Gou,Bo Liu,Wei Liu,Stefan Schramm,Horst Stoecker,T. Steckenreiter,Domagoj Vnucec,Nadine Wetzstein,Andreas Widl,Kai Zhou +11 more
TL;DR: In this paper , a novel acoustic signal cavitation detection framework based on XGBoost with adaptive selection feature engineering is proposed, where a data augmentation method with non-overlapping sliding window (NOSW) is developed to solve small-sample problem involved in this study.
Journal ArticleDOI
Research on Prediction Method of Hydraulic Pump Remaining Useful Life Based on KPCA and JITL
TL;DR: In this article, a new method based on kernel principal component analysis (KPCA) and the just in time learning (JITL) method was proposed to predict the remaining useful life (RUL) of gear pumps.
References
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Journal ArticleDOI
Signal Processing Techniques for Vibration-Based Health Monitoring of Smart Structures
TL;DR: The biggest challenge in realization of health monitoring of large real-life structures is automated detection of damage out of the huge amount of very noisy data collected from dozens of sensors on a daily, weekly, and monthly basis.
Journal ArticleDOI
Gerotor pump cavitation monitoring and fault diagnosis using vibration analysis through the employment of auto-regressive-moving-average technique
TL;DR: The diagnosis results have demonstrated the ability of the proposed mathematical technique in the identification of cavitation phenomena proving that the proposed approach is a useful methodology to detect the presence of fault.
Journal ArticleDOI
Multiple steps prediction with nonlinear ARX models
Qinghua Zhang,Lennart Ljung +1 more
TL;DR: It is shown that cautions must be paid when using simple non optimal prediction methods, since their prediction behaviors may be radically different, depending on some detailed choice.
Journal ArticleDOI
Incipient cavitation detection in external gear pumps by means of vibro-acoustic measurements
Mattia Battarra,Emiliano Mucchi +1 more
TL;DR: In this paper, the authors investigated cavitation in external gear machines by means of a dedicated experimental campaign, in which four different pump prototypes have been designed and manufactured to perform this research, one specifically built up to not be affected by cavitation.
Journal ArticleDOI
Diagnostic Process by Using Vibrational Sensors for Monitoring Cavitation Phenomena in a Getoror Pump Used for Automotive Applications
TL;DR: A full experimental investigation on a Gerotor pump used for the lubrication of engines is described in this paper, where cavitation can be triggered by many multiple factors such as sloshing in the tank, high percentage of gas dissolved in the fluid and pressure too low at the pump suction port.
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