Results 11 to 20 of about 266,625 (301)
Analysis of vibration and acoustic signals for noncontact measurement of engine rotation speed [PDF]
, 2020 The non-contact measurement of engine speed can be realized by analyzing engine vibration frequency. However, the vibration signal is distorted by harmonics and noise in the measurement.
Martinek, Radek +4 more
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A Method Combining Fractal Analysis and Single Channel ICA for Vibration Noise Reduction
Shock and Vibration, 2021 Aiming at the problem that real engineering vibration signals are interfered by strong noise, this paper proposes a method combining single channel-independent component analysis (SCICA) and fractal analysis (FD) to reduce the effect of noise on the time-
Quanbo Lu, Mei Li
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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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Frontiers in Earth Science, 2022 The analysis of time-frequency variation and energy refinement characteristics of blasting vibration signals has contributed to understanding the propagation law of blasting vibration wave and reducing the possible losses. Combined with the measured data
Liang Zhang +3 more
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Adaptive Multiscale Weighted Permutation Entropy for Rolling Bearing Fault Diagnosis [PDF]
, 2020 © 2020 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/.Bearing vibration signals contain non-linear and non-stationary features due to ...
Huo, Zhiqiang +3 more
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A New Fault Feature Extraction Method for Rotating Machinery Based on Multiple Sensors
Sensors, 2020 During the operation of rotating machinery, the vibration signals measured by sensors are the aliasing signals of various vibration sources, and they contain strong noises.
Feng Miao +3 more
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Filtering method of coupled components in wind turbine signals
Energy Reports, 2022 To study whether the coupled components in vibration signals affect the accuracy of judging the wind turbine running state, an adaptive filter was used to filter the coupled components, with different filters performing differently.
Wenbing Wu
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A Novel Method for Early Gear Pitting Fault Diagnosis Using Stacked SAE and GBRBM
Sensors, 2019 Research on data-driven fault diagnosis methods has received much attention in recent years. The deep belief network (DBN) is a commonly used deep learning method for fault diagnosis.
Jialin Li +3 more
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Sensors, 2022 An MHD vibration sensor, as a new type of sensor used for vibration measurements, meets the technical requirements for the low-noisy measurement of acceleration, velocity, and micro-vibration in spacecraft during their development, launch, and orbit ...
Mengjie Xu +5 more
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Comparative Study of Different Methods in Vibration-Based Terrain Classification for Wheeled Robots with Shock Absorbers [PDF]
, 2019 open access articleAutonomous robots that operate in the field can enhance their security and efficiency by accurate terrain classification, which can be realized by means of robot-terrain interaction-generated vibration signals.
Chang, Ji +5 more
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