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A Method of Mechanical Fault Diagnosis Based on Locality Margin Discriminant Projection
期刊论文
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2021, 卷号: 41, 期号: 1, 页码: 126-132
作者:
Shi, Mingkuan
;
Zhao, Rongzhen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2021/04/12
Frequency domain analysis
Nearest neighbor search
Frequency domains
K-nearest neighbor classifiers (KNN)
Low dimensional
Mechanical fault diagnosis
Rotor vibrations
Sensitive features
Statistical characteristics
Vibration signal
Multi-Body Dynamics Modeling and Control for Strapdown Inertially Stabilized Platforms Considering Light Base Support Characteristics
期刊论文
Applied Sciences-Basel, 2020, 卷号: 10, 期号: 20, 页码: 24
作者:
Z. S. Wang,D. P. Tian,L. Shi and J. H. Liu
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2021/07/06
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
Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions
期刊论文
Journal of Engineering for Gas Turbines and Power, 2019, 卷号: 141
作者:
Li, Zhigang
;
Fang, Zhi
;
Li, Jun
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2019/11/19
Compressor stability
Liquid volume fraction
Numerical investigations
Perturbation method
Rotor dynamic coefficients
Rotordynamic characteristics
Steady and transient
Subsynchronous vibrations
A Two-stage Synchronous Vibration Control for Magnetically Suspended Rotor System in the Full Speed Range
期刊论文
IEEE Transactions on Industrial Electronics, 2019
作者:
Peng, C.
;
Zhu, M.
;
Wang, K.
;
Ren, Y.
;
Deng, Z.
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2019/12/30
Speed
Vibration control
Vibrations (mechanical)
Gyroscopic Effects
Magnetically suspended
Rotational motion
Stability analysis
Suppression method
Synchronous vibration
Two-stage notches
Vibration suppression
Notch filters
Bearing dynamic load model and optimal design of complex rotor system [复杂转子系统支点动载荷模型及其优化设计]
期刊论文
Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics, 2019, 卷号: 45, 页码: 847-854
作者:
Hong, J.
;
Li, T.
;
Ni, Y.
;
Lyu, C.
;
Ma, Y.
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2019/12/30
Deformation
Design
Dynamic loads
Optimal systems
Structural optimization
Turbines
Turbofan engines
Vibrations (mechanical)
Complex rotor system
High pressure turbine
Low-pressure turbines
Optimal design methods
Rotor systems
Shaft bearing
Theoretical methods
Vibration response
Bearings (machine parts)
Resonances of elastic rotor induced by roller bearing with consideration of cage vibration
期刊论文
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, 2018, 卷号: 232, 页码: 446-456
作者:
Huang, Dawei
;
Liu, Yi
;
Liu, Heng
;
Yi, Jun
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2019/11/19
cage vibration
Coupling dynamic model
Elastic rotors
Flexible rotors
Simulated response
Subcritical vibrations
Supercritical
Vibration amplitude
Numerical investigation on the leakage and rotordynamic characteristics for three types of annular gas seals in wet gas conditions
会议论文
作者:
Li, Zhigang
;
Fang, Zhi
;
Li, Jun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2019/11/19
Compressor stability
Frequency dependent
Liquid volume fraction
Numerical investigations
Rotor dynamic coefficients
Rotordynamic characteristics
Steady and transient
Subsynchronous vibrations
Nonlinear dynamic analysis of rigid rotor supported by gas foil bearings: Effects of gas film and foil structure on subsynchronous vibrations.
期刊论文
Mechanical Systems & Signal Processing, 2018, 卷号: Vol.107, 页码: 549-566
作者:
Guo, Zhiyang
;
Feng, Kai
;
Liu, Tianyu
;
Lyu, Peng
;
Zhang, Tao
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/26
Foil structure
Gas film
Gas foil bearing
Nonlinear rotordynamics
Subsynchronous vibrations
Nonlinear dynamic analysis of rigid rotor supported by gas foil bearings: Effects of gas film and foil structure on subsynchronous vibrations
期刊论文
Mechanical Systems and Signal Processing, 2018, 卷号: Vol.107, 页码: 549-566
作者:
Guo, Z.
;
Feng, K.
;
Liu, T.
;
Lyu, P.
;
Zhang, T.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2019/12/26
Foil
structure
Gas
film
Gas
foil
bearing
Nonlinear
rotordynamics
Subsynchronous
vibrations
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