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浏览/检索结果: 共8条，第1-8条 帮助 限定条件 发表日期：2019    内容类型：期刊论文     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 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：14/0  |  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   A fault detection method for photovoltaic systems based on voltage and current observation and evaluation 期刊论文 Energies, 2019, 卷号: 12, 期号: 9 作者:  Pei, Tingting;  Hao, Xiaohong 收藏  |  浏览/下载：16/0  |  提交时间：2020/11/14 Open circuit voltage  Photovoltaic cells  Fault characteristics  Maximum power point  On-line fault detection  Partial shading  Photovoltaic arrays  Photovoltaic systems  Power generation systems  Safety and efficiencies   Method Integrate EWT Multi-scale Permutation Entropy with GG Clustering for Bearing Fault Diagnosis 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2019, 卷号: 39, 期号: 2, 页码: 416-423 作者:  Zhao, Rongzhen;  Li, Jipu;  Deng, Linfeng 收藏  |  浏览/下载：13/0  |  提交时间：2020/11/14 Correlation methods  Entropy  Failure analysis  Fault detection  Principal component analysis  Roller bearings  Wavelet transforms  Bearing fault diagnosis  Correlation analysis  Fault diagnosis method  GG clustering  Intrinsic mode components  Mode combination method  Non stationary characteristics  Permutation entropy   Applications of stochastic resonance to machinery fault detection: A review and tutorial 期刊论文 Mechanical Systems and Signal Processing, 2019, 卷号: 122, 页码: 502-536 作者:  Qiao, Zijian;  Lei, Yaguo;  Li, Naipeng 收藏  |  浏览/下载：58/0  |  提交时间：2019/11/19 Academic journal  Advanced researches  Fault characteristics  Fundamental theory  Machinery fault detection  Rolling Element Bearing  Rotary components  Stochastic resonances   Fault Analysis and Protection Scheme for Converter AC Three-phase Grounding of Bipolar HVDC Systems 期刊论文 Gaodianya Jishu/High Voltage Engineering, 2019, 卷号: Vol.45 No.1, 页码: 21-30 作者:  Xue, S.;  Fan, B.;  Liu, C.;  Lu, J.;  Liu, B. 收藏  |  浏览/下载：23/0  |  提交时间：2019/11/21 Bipolar HVDC transmission system  Converter AC grounding fault  Fault characteristics  Multi-terminal direct current  Protection scheme   Fault Diagnosis and Condition Division Criterion of DC Gas Insulating Equipment Based on SF6 Partial Discharge Decomposition Characteristics 期刊论文 IEEE ACCESS, 2019, 卷号: 7 作者:  Zeng, Fuping;  Wu, Siying;  Yang, Xu;  Wan, Zhaofeng;  Tang, Ju 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/05 Negative DC  SF6 decomposition characteristics  minimum-redundancy-maximum-relevance  fault diagnosis  decision tree  condition evaluation   Research on the required width of a fault waterproof coal pillar based on underground pressure control theory 期刊论文 ARABIAN JOURNAL OF GEOSCIENCES, 2019, 卷号: 12, 期号: 15 作者:  Shi, Longqing;  Wang, Ying;  Qiu, Mei;  Han, Lu;  Zhao, Yunping 收藏  |  浏览/下载：18/0  |  提交时间：2019/12/11 Abutment stress distribution characteristics  Water inrush model through  a fault  Destroyed floor depth  Fault waterproof coal pillar   The genetic environmental transformation mechanism of coal and oil shale deposits in eastern China's continental fault basins and the developmental characteristics of the area's symbiotic assemblagestaking Huangxian Basin as an example 期刊论文 PETROLEUM SCIENCE, 2019, 卷号: 16, 期号: 3, 页码: 469-491 作者:  Wang, Dong-Dong;  Li, Zeng-Xue;  Liu, Hai-Yan;  Lyu, Da-Wei;  Dong, Guo-Qi 收藏  |  浏览/下载：12/0  |  提交时间：2019/12/11 Coal and oil shale symbiotic assemblages  Genetic environments  Conversion mechanism  Sequence stratigraphic framework  Occurrence  characteristics  Continental fault basin