Journal ArticleDOI
Vibration transmission and energy dissipation through the gear-shaft-bearing-housing system subjected to impulse force on gear
TLDR
In this article, an eight-degree-of-freedom (DOF) dynamic model of the gear-shaft bearing-housing system is established and the vertical vibration transmission and energy dissipation characteristics through the multiple transmitting interfaces under the impulse force due to gear fault are studied.About:
This article is published in Measurement.The article was published on 2017-05-01. It has received 28 citations till now. The article focuses on the topics: Impulse (physics) & Dissipation.read more
Citations
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Journal ArticleDOI
Vibration Characteristics of Rolling Element Bearings with Different Radial Clearances for Condition Monitoring of Wind Turbine
TL;DR: A nonlinear bearing vibration model with six degrees of freedom (DOF) is presented to investigate the vibration characteristics under different radial clearances and load conditions and provides a foundation for monitoring the bearing conditions before any obvious local defects on raceways.
Journal ArticleDOI
Investigation of lubricating and dynamic performances for high-speed spur gear based on tribo-dynamic theory
TL;DR: A novel model based on tribo-dynamic theory is introduced to investigate the lubricating and dynamic performances of high-speed spur gear, and the time-varying meshing stiffness and static transmission error are derived precisely in the form of Fourier series.
Journal ArticleDOI
Vibration characteristics and condition monitoring of internal radial clearance within a ball bearing in a gear-shaft-bearing system
TL;DR: A nonlinear gear-shaft-bearing-housing vibration model with fourteen degree of freedom is presented to investigate the vibration responses under the dynamic gear meshing force and progressively changed radial clearances at first, and indicator based on modulation signal bispectrum-sideband estimator (MSB-SE) was proposed.
Journal ArticleDOI
Vibration characteristics and condition monitoring of internal radial clearance within a ball bearing in a gear-shaft-bearing system
TL;DR: In this paper , a nonlinear gear-shaft-bearing-housing vibration model with fourteen degree of freedom (DOF) was presented to investigate the vibration responses under the dynamic gear meshing force and progressively changed radial clearances at first.
Journal ArticleDOI
A flexible-helical-geared rotor dynamic model based on hybrid beam-shell elements
Yifan Huangfu,Yifan Huangfu,Jin Zeng,Jin Zeng,Hui Ma,Hui Ma,Xingjian Dong,Hongzheng Han,Zhifang Zhao +8 more
TL;DR: Considering the flexibility of gear foundations and rotational effects, a geared rotor dynamic model for thin-rimmed helical gears is established in this paper, where the deformable shafts and gear foundations are modelled by Timoshenko beam elements and Mindlin-Reissner shell elements, respectively.
References
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Journal ArticleDOI
A review of vibration and acoustic measurement methods for the detection of defects in rolling element bearings
Naresh Tandon,A. Choudhury +1 more
TL;DR: Vibration measurement in both time and frequency domains along with signal processing techniques such as the high-frequency resonance technique have been covered and recent trends in research on the detection of defects in bearings have been included.
Journal ArticleDOI
Effect of spalling or tooth breakage on gearmesh stiffness and dynamic response of a one-stage spur gear transmission
TL;DR: In this paper, an analytical method is proposed to quantify the reduction of gearmesh stiffness due to two common tooth faults: spalling and breakage, and the dynamic response of a single stage spur gear transmission is computed by using analytical gear mesh issued from analytical modelling and the vibration signatures of each tooth fault is identified.
Journal ArticleDOI
Review on dynamics of cracked gear systems
TL;DR: In this paper, a review of the literature on the dynamics of cracked gear rotor systems is presented, which mainly focuses on three topics: crack propagation prediction, time-varying mesh stiffness (TVMS) calculation and vibration response calculation.
Journal ArticleDOI
Fault diagnosis in spur gears based on genetic algorithm and random forest
Mariela Cerrada,Mariela Cerrada,Grover Zurita,Diego Cabrera,René-Vinicio Sánchez,Mariano Artés,Chuan Li,Chuan Li +7 more
TL;DR: The main aim of this research is to build up a robust system for the multi-class fault diagnosis in spur gears, by selecting the best set of condition parameters on time, frequency and time–frequency domains, which are extracted from vibration signals.
Journal ArticleDOI
Gear crack level identification based on weighted K nearest neighbor classification algorithm
Yaguo Lei,Ming J. Zuo +1 more
TL;DR: In this paper, a two-stage feature selection and weighting technique (TFSWT) via Euclidean distance evaluation technique (EDET) is presented and adopted to select sensitive features and remove fault-unrelated features.