ROUNDNESS

作品数:24被引量:28H指数:3
导出分析报告
相关作者:李成峰都丽娜孙大刚阎献国王伯平更多>>
相关机构:哈尔滨电机厂有限责任公司太原科技大学更多>>
相关期刊:《Science China(Technological Sciences)》《International Journal of Coal Science & Technology》《Underground Space》《Journal of Minerals and Materials Characterization and Engineering》更多>>
相关基金:国家自然科学基金更多>>
-

检索结果分析

结果分析中...
条 记 录,以下是1-10
视图:
排序:
A strategy for out-of-roundness damage wheels identification in railway vehicles based on sparse autoencoders
《Railway Engineering Science》2024年第4期421-443,共23页Jorge Magalhães Tomás Jorge Rúben Silva António Guedes Diogo Ribeiro Andreia Meixedo Araliya Mosleh Cecília Vale Pedro Montenegro Alexandre Cury 
a result of project WAY4SafeRail—Wayside monitoring system FOR SAFE RAIL transportation, with reference NORTE-01-0247-FEDER-069595;co-funded by the European Regional Development Fund (ERDF), through the North Portugal Regional Operational Programme (NORTE2020), under the PORTUGAL 2020 Partnership Agreement;financially supported by Base Funding-UIDB/04708/2020;Programmatic Funding-UIDP/04708/2020 of the CONSTRUCT—Instituto de Estruturas e Constru??es;funded by national funds through the FCT/ MCTES (PIDDAC);Grant No. 2021.04272. CEECIND from the Stimulus of Scientific Employment, Individual Support (CEECIND) - 4th Edition provided by “FCT – Funda??o para a Ciência, DOI : https:// doi. org/ 10. 54499/ 2021. 04272. CEECI ND/ CP1679/ CT0003”。
Wayside monitoring is a promising cost-effective alternative to predict damage in the rolling stock. The main goal of this work is to present an unsupervised methodology to identify out-of-roundness(OOR) damage wheels...
关键词:OOR wheel damage Damage identification Sparse autoencoder Passenger trains Wayside condition monitoring 
Improving Radiation Pattern Roundness of Henge-Like Metaring-Loaded Monopoles Above a Finite Ground for MIMO Systems
《Electromagnetic Science》2024年第2期104-115,共12页Bo Zhang Zhi Ning Chen Yucong Zhou Qun Lou Jiahao Wang Koen Mouthaan 
A henge-like metaring(HMR)is proposed for improving the radiation pattern roundness of monopole antennas offcenter mounted on a finite ground by localizing the radiation from the monopole and suppressing the scatterin...
关键词:Antenna radiation pattern Characteristic mode analysis METAMATERIALS MIMO communication OMNIDIRECTIONAL antennas Wireless access points 
Insight into deformation allocation in the multi-pass roll forming of a double-walled brazed tube
《Advances in Manufacturing》2023年第4期567-586,共20页Meng-Meng Liu Yu-Li Liu Heng Li 
the National Natural Science Foundation of China(Grant No.52275379).
Deformation allocation is an important factor that affects 720°curling forming from copper-coated steel strips to double-walled brazed tubes(DWBTs).In this study,four schemes of deformation allocation,considering dif...
关键词:Double-walled brazed tube(DWBT) Multi-pass roll forming Deformation allocation Cross-sectional profile ROUNDNESS 
An elliptical blade is not a true ellipse,but a superellipse–Evidence from two Michelia species
《Journal of Forestry Research》2022年第4期1341-1348,共8页Yuping Li Karl JNiklas Johan Gielis Ülo Niinemets Julian Schrader Rong Wang Peijian Shi 
The shape of leaf laminae exhibits considerable diversity and complexity that reflects adaptations to environmental factors such as ambient light and precipitation as well as phyletic legacy.Many leaves appear to be e...
关键词:Bilateral symmetry Leaf ellipticalness index Leaf laminae Leaf roundness index MAGNOLIACEAE 
DEM study on effect of particle roundness on biaxial shearing of sand被引量:2
《Underground Space》2021年第6期678-694,共17页Mengmeng Wu Linghong Xiong Jianfeng Wang 
supported by General Research Fund Grant(Nos.CityU 11201020 and CityU 11213517)from the Research Grants Council of the Hong Kong SAR;Research Grant(No.51779213)from the National Science Foundation of China.
In this study,discrete element method(DEM)simulations of a biaxial test were used to examine the effect of particle roundness on the mechanical behavior of sands at both the macro and micro scales.First,a stack of mic...
关键词:Grain shape ROUNDNESS Flexible membrane Spherical harmonic analysis Discrete element method 
Prediction of product roughness,profile,and roundness using machine learning techniques for a hard turning process被引量:2
《Advances in Manufacturing》2021年第2期206-215,共10页Chunling Du Choon Lim Ho Jacek Kaminski 
High product quality is one of key demands of customers in the field of manufacturing such as computer numerical control(CNC)machining.Quality monitoring and prediction is of great importance to assure high-quality or...
关键词:Computer numerical control(CNC)machining Quality prediction Roughness parameter Profile deviation Roundness deviation Machine learning 
Shear behaviours of cohesionless mixed soils using the DEM:The influence of coarse particle shape被引量:3
《Particuology》2021年第2期151-165,共15页Yangui Zhu Jian Gong Zhihong Nie 
The authors are grateful for the financial support given by the Fundamental Research Funds for the Central Universities of Central South University(No.2018zzts195);the National Natural Science Foundation of China(No.51809292).
The coarse particles in mixed soils can be cobbles or gravels,with the main difference being their roundness(an indicator describing particle shape characteristics at an intermediate scale).The influence of coarse par...
关键词:Cohesionless mixed soils Particle shape ROUNDNESS Shear behaviours Discrete element method 
Effect of process parameters on steel tube roundness in straightening process
《Journal of Iron and Steel Research International》2020年第11期1270-1283,共14页Li-dong Ma Yu-kang Du Zhi-juan Meng Li-feng Ma Zi-jian Liu Pei-yu Liu 
National Key Research and Development Program of China(Grant No.2018YFB1308700);Applied Basic Research Programs of Shanxi Province(Grant Nos.201901D111244 and 201901D211311);Major Science and Technology Projects of Shanxi Province(Grant No.20181102016).
The inclined six-roll tube straightener is an important equipment for the finishing line.It can not only straighten the steel pipe,but also finish the ovality of the cross section.In the actual straightening process,t...
关键词:STRAIGHTENING TUBE Energy method Flattening force Flattening displacement Finite element method 
Vibration analysis of a single row angular contact ball bearing with the coupling errors including the surface roundness and waviness被引量:6
《Science China(Technological Sciences)》2020年第6期943-952,共10页LIU Jing PANG RuiKun XU YaJun DING ShiZhao HE QuBo 
supported by the National Natural Science Foundation of China(Grant Nos.51605051,51975068);Chongqing Research Program of Basic Research and Frontier Technology(Grant No.cstc2017jcyj AX0202)。
Roundness and surface waviness are main manufacturing errors on the components of single row angular contact ball bearings(ACBBs).An analytical study for vibrations of the ACBBs with coupling errors including the roun...
关键词:angular contact ball bearing(ACBB) roundness error waviness error VIBRATION dynamic model 
Sedimentological Characteristics of Sandy Gravel Beach in Kongtong Island
《Journal of Landscape Research》2019年第6期71-76,共6页ZHANG Wei LIN Mengping CHEN Yang FAN Shuimiao 
Hydrological characteristics such as waves, tides, currents, and meteorological features such as weather and wind, as well as geological structure were collected. Through the field trips of Kongtong Island, observatio...
关键词:HYDROLOGY METEOROLOGY PARTICLE size Analysis ROUNDNESS Kongtong ISLAND 
检索报告 对象比较 聚类工具 使用帮助 返回顶部