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浏览/检索结果: 共25条，第1-10条 帮助 限定条件 发表日期：2021    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Improved VMD-FRFT based on initial center frequency for early fault diagnosis of rolling element bearing 期刊论文 MEASUREMENT SCIENCE AND TECHNOLOGY, 2021, 卷号: 32, 期号: 11 作者:  Chen, Guangyi;  Yan, Changfeng;  Meng, Jiadong;  Wang, Huibin;  Wu, Lixiao 收藏  |  浏览/下载：14/0  |  提交时间：2021/10/14 bearing fault detection  initial center frequency  periodic impulses  reciprocal of spectral autocorrelation smoothness index  variational mode decomposition-fractional Fourier transform   Fault Classification Method of Rolling Bearing Based on Cloud Theory and ReliefHF 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2021, 卷号: 41, 期号: 4, 页码: 667-672 作者:  Ma, Sencai;  Zhao, Rongzhen;  Wu, Yaochun;  DENG, Linfeng 收藏  |  浏览/下载：11/0  |  提交时间：2022/02/17 Knowledge based systems  Classification accuracy  Classification methods  Cloud classification  Cloud distributions  Fault classification  Noise resistance  Rolling bearings  Weight coefficients   Bi-TLLDA and CSSVM based fault diagnosis of vehicle on-board equipment for high speed railway 期刊论文 MEASUREMENT SCIENCE AND TECHNOLOGY, 2021, 卷号: 32, 期号: 8 作者:  Wei, Wei;  Zhao, Xiao-qiang 收藏  |  浏览/下载：5/0  |  提交时间：2021/10/14 fault diagnosis  vehicle on-board equipment  topic model  text classification   A Fault Diagnosis Method of Rotating Machinery Based on LBDP 期刊论文 Zhongguo Jixie Gongcheng/China Mechanical Engineering, 2021, 卷号: 32, 期号: 14, 页码: 1653-1658 and 1668 作者:  Shi, Mingkuan;  Zhao, Rongzhen 收藏  |  浏览/下载：12/0  |  提交时间：2022/02/17 Dimensionality reduction  Frequency domain analysis  Machinery  Nearest neighbor search  Complex characteristics  Dimensionality reduction algorithms  Discriminant informations  Fault classification  Fault diagnosis method  High dimensional feature  K-nearest neighbor classifiers (KNN)  Time frequency domain   A new fault feature extraction method of rotating machinery based on finite sample function 期刊论文 Noise and Vibration Worldwide, 2021, 卷号: 52, 期号: 6, 页码: 137-144 作者:  Miao, Feng;  Zhao, Rongzhen 收藏  |  浏览/下载：4/0  |  提交时间：2021/06/03 Extraction  Feature extraction  Rotating machinery  Sampling  Composite fault  Fault feature extractions  Higher efficiency  Kernel function  Rub impact fault  Separation performance  Super-Gaussian sources  Vibration signal   Hexagonal boron nitride quantum dots: Properties, preparation and applications 期刊论文 Materials Today Chemistry, 2021, 卷号: 20 作者:  Zhang, Xiaofang;  An, Lulu;  Bai, Changning;  Chen, Li;  Yu, Yuanlie 收藏  |  浏览/下载：10/0  |  提交时间：2021/04/12 Biocompatibility  Boron nitride  Chemical detection  Chemical stability  Diagnosis  Fabrication  Fluorescence imaging  III-V semiconductors  Metal ions  Metals  Nanocrystals  Nitrides  Disease diagnosis  Fabrication method  Hexagonal boron nitride  Large-scale fabrication  Low cytotoxicities  Metal ion detection  Photoluminescence properties  Recent researches   Interactive prostate MR image segmentation based on ConvLSTMs and GGNN 期刊论文 Neurocomputing, 2021, 卷号: 438, 页码: 84-93 作者:  Tian, Zhiqiang;  Li, Xiaojian;  Chen, Zhang;  Zheng, Yaoyue;  Fan, Hongcheng 收藏  |  浏览/下载：11/0  |  提交时间：2021/04/12 Automation  Diseases  Magnetic resonance  Magnetic resonance imaging  Statistical tests  Urology  Automated methods  Graph neural networks  Intensity distribution  Interactive segmentation methods  Prostate cancers  Prostate segmentation  State-of-the-art methods  User interaction   Rotor fault diagnosis based on semi-supervised neighborhood adaptive orthogonal discriminant projection 期刊论文 Zhendong yu Chongji/Journal of Vibration and Shock, 2021, 卷号: 40, 期号: 10, 页码: 159-165 作者:  Chang, Shuyuan;  Zhao, Rongzhen;  Shi, Mingkuan 收藏  |  浏览/下载：5/0  |  提交时间：2022/02/17 Failure analysis  Frequency domain analysis  Pattern recognition  Support vector machines  Time domain analysis  Fault identifications  Frequency domains  Generalization ability  Low dimensional  Neighborhood parameter  Rotor fault diagnosis  Time frequency domain  Vibration signal   Fault Monitoring Method of Wind Turbine Main Bearing 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2021, 卷号: 41, 期号: 2, 页码: 341-347 and 415 作者:  Zheng, Yuqiao;  Wei, Jianfeng;  Zhu, Kai;  Dong, Bo 收藏  |  浏览/下载：7/0  |  提交时间：2022/02/17 Bearings (machine parts)  Forecasting  Linear regression  Monitoring  Sliding mode control  Statistics  Support vector machines  Support vector regression  Wind turbines  Change of temperatures  Combination forecasting models  Determination coefficients  Mean and standard deviations  Multiple linear regression models  Multivariate linear regression model  Sliding window methods  Support vector machine regressions   Dimensional reduction analysis of rotating machinery fault data based on local centroid mean minimum-distance discriminant projection 期刊论文 Zhendong Gongcheng Xuebao/Journal of Vibration Engineering, 2021, 卷号: 34, 期号: 2, 页码: 421-430 作者:  Shi, Ming-Kuan;  Zhao, Rong-Zhen 收藏  |  浏览/下载：6/0  |  提交时间：2022/02/17 Dimensionality reduction  Pattern recognition  Rotating machinery  Dimension reduction  Dimension reduction algorithm  Dimensional reduction  Fault identifications  High dimensional feature  K nearest centroid neighbors  Local geometric structures  Strong nonlinearity