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兰州理工大学 [11]
武汉大学 [8]
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山东大学 [6]
北京航空航天大学 [4]
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期刊论文 [51]
会议论文 [5]
学位论文 [1]
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2019 [57]
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Fault feature extraction of rotating machinery based on EWT and a weighted multi neighborhood rough set
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2019, 卷号: 38, 期号: 24, 页码: 235-242
作者:
Wu, Yaochun
;
Zhao, Rongzhen
;
Jin, Wuyin
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2020/11/14
Classification (of information)
Extraction
Iterative methods
Probability
Rotating machinery
Rough set theory
Time domain analysis
Wavelet transforms
Characteristics of vibrations
Empirical wavelet transform(EWT)
Fault feature extractions
Feature selection methods
Multiple neighborhoods
Neighborhood rough sets
Probability of occurrence
Time domain characteristics
Evaluation of asphalt and asphalt mixtures’ water stability method under multiple freeze-thaw cycles
期刊论文
Construction and Building Materials, 2019, 卷号: 228
作者:
Wu, Haonan
;
Li, Ping
;
Nian, Tengfei
;
Zhang, Guohong
;
He, Teng
收藏
  |  
浏览/下载:75/0
  |  
提交时间:2020/11/14
Adhesion
Adhesives
Asphalt
Asphalt pavements
Colorimeters
Colorimetry
Contact angle
Entropy
Freezing
Grading
Mixtures
Photoelectricity
Stability
Thawing
Adhesiveness
Change of temperatures
Correlation degree
Entropy analysis
Evaluation methods
Freeze-thaw cycles
Freezing and thawing cycle
Grey relation entropy analysis
Evaluation of asphalt and asphalt mixtures' water stability method under multiple freeze-thaw cycles
期刊论文
CONSTRUCTION AND BUILDING MATERIALS, 2019, 卷号: 228
作者:
Wu, Haonan
;
Li, Ping
;
Nian, Tengfei
;
Zhang, Guohong
;
He, Teng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2020/06/02
Asphalt
Asphalt mixture
Freezing and thawing cycle
Adhesiveness
Grey correlation entropy analysis
Sediment Erosion Characteristics and Mechanism on Guide Vane End-Clearance of Hydro Turbine
期刊论文
APPLIED SCIENCES-BASEL, 2019, 卷号: 9, 期号: 19
作者:
Chen, Yu
;
Li, Rennian
;
Han, Wei
;
Guo, Tao
;
Su, Min
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  |  
浏览/下载:7/0
  |  
提交时间:2022/03/01
sediment erosion
solid particle
guide vane end-clearance
turbulent characteristics
Influence of blade profile on the hydraulic and rotating noise characteristics of a jet centrifugal pump
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2019, 卷号: 38, 期号: 18, 页码: 223-230
作者:
Guo, Rong
;
Li, Rennian
;
Zhang, Renhui
;
Li, Jing
;
Shen, Zhengjing
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2020/11/14
Acoustic properties
Centrifugal pumps
Regression analysis
Sensitivity analysis
Surface properties
Blade profile
Hydraulic performance
Mapping relationships
Multiple regression model
Noise characteristic
Optimal parameter combinations
Response surface method
Rotational noise
Fault diagnosis of rolling bearing based on resonance-based sparse signal decomposition with optimal Q-factor
期刊论文
MEASUREMENT & CONTROL, 2019, 卷号: 52, 期号: 7-8, 页码: 1111-1121
作者:
Lu, Yan
;
Du, Juan
;
Tao, Xian
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  |  
浏览/下载:68/0
  |  
提交时间:2019/12/16
Fault diagnosis
resonance-based sparse signal decomposition
optimal Q-factor
genetic algorithm
energy operator demodulating
rolling bearing
Weak Fault Feature Extraction Method for Rolling Bearings Based on SVD-EEMD and TEO Energy Spectrum
期刊论文
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2019, 卷号: 39, 期号: 4, 页码: 720-726
作者:
Zhang, Chen
;
Zhao, Rongzhen
;
Deng, Linfeng
;
Wu, Yaochun
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2020/11/14
Extraction
Feature extraction
Fourier series
Mean square error
Phase space methods
Signal processing
Singular value decomposition
Spectroscopy
Energy spectra
Ensemble empirical mode decompositions (EEMD)
Intrinsic Mode functions
Mean square error criterions
Phase space reconstruction
Sensitive features
Teager energy operators
Weak fault feature extraction
高阻尼和高力学性能的Mg合金制备及机理研究
学位论文
: 中国科学院大学, 2019
作者:
牛瑞龙
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2020/06/17
Mg基合金,阻尼性能,拉伸力学性能,位错钉扎理论,晶界滑移理论
Interferometry imaging using high-speed-train induced seismic waves
期刊论文
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2019, 卷号: 62, 期号: 6, 页码: 2321-2327
作者:
Zhang HuanLan
;
Wang BaoLi
;
Ning JieYuan
;
Li YouMing
收藏
  |  
浏览/下载:48/0
  |  
提交时间:2019/07/29
Seismic interferometry
High-speed-train seismic
Green's function
Crosstalk noise
Damping, thermal, and mechanical performances of a novel semi-interpenetrating polymer networks based on polyimide/epoxy
期刊论文
Journal of Applied Polymer Science, 2019, 卷号: 2019, 期号: 136, 页码: 48032
作者:
Chunhui Qu
;
Xiao Li
;
Zenghui Yang
;
Xinrui Zhang
;
Tingmei Wang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2021/01/26
blends
compatibilization
glass transition
membranes
polyimides
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