Results 21 to 30 of about 89,048 (265)
Online Analysis of Nonlinear Vibration Characteristics of Milling Chatter
Journal of Harbin University of Science and Technology, 2018 In order to analyze the nonlinear dynamic behavior of the milling chatter，firstly to analyze the varying depths of cut during milling stationary vibration signal the vibration signal and bred flutter vibration signal nonlinear characteristics based on ...
WU Shi +4 more
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Vibration signal acquisition and computer simulation detection of mechanical equipment failure
Nonlinear Engineering, 2022 The author in order to solve the problem of optimizing the accuracy of mechanical equipment failure detection proposes a vibration signal collection and computer simulation detection for mechanical equipment failure. Using wavelet domain Wiener filtering-
Wang Yonggang +3 more
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Advances in Mechanical Engineering, 2021 The vibration and sound signals get widely applications in fault diagnosis of rolling bearing systems, but the detection accuracy is unstable at different measuring positions.
Guanchen Wu +4 more
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Research Status and Prospect of Torsional Vibration Detection Methods for Rotating Machinery
Journal of Harbin University of Science and Technology, 2021 Torsional vibration of rotating machinery is one of the main factors affecting the reliability and service life of rotaing machinery. In recent years, the number of large units accidents caused by torsional vibration is increasing.
GUO Yan-ling, QIU Feng, LI Zhi-peng
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Detection of Vibration Signal by Plane Scanning Utilizing Wavefront Sensors
PhotonicsLaser remote sensing of seismic waves is extensively utilized in earthquake monitoring and resource exploitation. This article leverages wavefront sensors’ high resolution and array detection capabilities to effectively conduct planar scanning of target ...
Yun Pan +5 more
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Jixie chuandong, 2021 The vibration-based methods have been widely used in the tooth root crack fault diagnosis of planetary gearbox. Compared with traditional transverse vibration signal，torsional vibration signal is not affected by the modulation of time-varying ...
Wei Wei, Yunpeng Li, Yanshuai Yang
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Vibration Isolation and Alignment of Multiple Platforms on a Non-Rigid Supporting Structure
Actuators, 2020 In many applications comprised of multiple platforms with stringent vibration isolation requirements, several vibration isolators are employed to work in tandem. They usually must accomplish two objectives: (i) reduce the vibration level of each platform;
Jorge Pérez-Aracil +3 more
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Gong-kuang zidonghua, 2022 The fault diagnosis method of planetary gearbox based on machine learning relies on the artificial selection of the eigenvectors. The quality of eigenvectors selection largely determines the accuracy of the diagnosis method.
SHI Zhiyuan, TENG Hu, MA Chi
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Vibration signal identification of coal-rock cutting of shearer based on cepstral distance
Gong-kuang zidonghua, 2017 In order to solve problems that conventional time-frequency domain analysis methods were sensitive to noise and had poor adaptability of energy change in coal-rock interface identification based on vibration signal analysis, a vibration signal ...
ZHANG Qizhi, QIU Jinbo, ZHUANG Deyu
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Spectrum analysis of partial failure of shearer rocker gear based on vibration model
Gong-kuang zidonghua, 2016 A partial failure vibration signal model of spur gear was established starting from gear drive mechanism and considering both amplitude modulation and frequency modulation effects of meshing vibration due to partial spur gear damage.
DUAN Jiaolong +6 more
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