EDDY-CURRENT

作品数：8被引量：9H指数：2
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New Encoder Based on Grating Eddy-Current with Differential Structure
《Journal of Shanghai Jiaotong university(Science)》2025年第2期337-351,共15页ZHANG Zaigi LüNa TAO Wei ZHAO Hui 
the Biomedical Science and Technology Support Special Project of Shanghai Science and Technology Committee(No.20S31908300)。
In response to the shortcomings of the common encoders in the industry,of which the photoelectric encoders have a poor anti-interference ability in harsh industrial environments with water,oil,dust,or strong vibration...
关键词：ENCODER grating eddy-current differential structure angle measurement 
Electromagnetic anisotropic homogeneous model for eddy-current field in single-phase wound core
《High Voltage》2024年第1期172-181,共10页Lijun Zhou Woyang Li Yingyi Xia Jiawei Chen Chenqingyu Zhang Xiaohu Cai Lei Guo Dongyang Wang 
National Natural Science Foundation of China under Grant,Grant/Award Number:U1834203;Sichuan Science and Technology Program,Grant/Award Number:2020JDTD0009。
The analysis of the eddy-current field in the wound core widely used in the field of transformer energy conservation is taken as the theme.Adopting the homogenisation idea to consider the unique geometry of the wound ...
关键词：ANISOTROPIC COORDINATE EXCITATION 
Sleeve Design of Permanent-magnet Machine for Low Rotor Losses被引量：6
《Chinese Journal of Electrical Engineering》2020年第4期86-96,共11页Junqiang Zheng Wenxiang Zhao Jinghua Ji Jihong Zhu Christopher H.T.Lee 
Supported by the National Natural Science Foundation of China(51991383);the Natural Science Foundation of Jiangsu Province(BK20171298);the Graduate Scientific Research Innovation Project of Jiangsu Province(KYCX18_2248);the Priority Academic Program Development of Jiangsu Higher Education Institutions.
In this study,a novel rotor sleeve for permanent-magnet(PM)machines equipped with fractional-slot concentrated-windings(FSCW)is proposed.With the newly designed rotor sleeve,the rotor eddy-current(EC)losses are signif...
关键词：Permanent-magnet machine rotor losses SLEEVE EDDY-CURRENT concentrated-windings 
Crack Length Quantification Based on Planar Eddy-Current Sensor Array and Two-Dimensional Image
《Transactions of Nanjing University of Aeronautics and Astronautics》2018年第6期1047-1052,共6页Liu Lihui Tian Wugang Pan Mengchun Chen Dixiang Xie Ruifang Ren Yuan 
supported by the National Natural Science Foundation of China (No.61171460)
Eddy-current (EC) testing is an effective electromagnetic non-destructive testing (NDT) technique.Planar eddy-current sensor arrays have several advantages such as good coherence,fast response speed,and high sensitivi...
关键词：CRACK PLANAR EDDY-CURRENT sensor ARRAY NON-DESTRUCTIVE testing(NDT) quantification 2-D image 
General series expression of eddy-current impedance for coil placed above multi-layer plate conductor被引量：1
《Chinese Physics B》2018年第6期179-184,共6页Yin-Zhao Lei 
supported by the National Natural Science Foundation of China(Grant No.51577004)
This paper presents a closed expression of the layered-plate factor used to calculate the coil eddy-current impedance over the multi-layer plate conductor. By using this expression, the general series of eddy-current ...
关键词：multi-layer plate conductor layered-plate factor series expression eddy-current impedance 
Comparison of three formulations for eddy-current problems in a spiral coil electromagnetic acoustic transducer
《Journal of Central South University》2016年第4期817-824,共8页石文泽 吴运新 龚海 赵志然 范吉志 谭良辰 
Project(2014BAF12B01)supported by the Key Projects in the National Science&Technology Pillar Program during the Twelfth Five-year Plan Period,China;Project(51405520)supported by the National Natural Science Foundation of China;Project(2012CB619505)supported by National Basic Research Program of China
Three differential equations based on different definitions of current density are compared. Formulation I is based on an incomplete equation for total current density （TCD）. Formulations II and {I1 are based on inc...
关键词：electromagnetic acoustic transducer （EMAT） eddy current finite element method （FEM） skin and proximity effects spiral coil 
Performance Analysis of RF Spiral Inductor with Gradually Changed Metal Width and Space被引量：2
《Journal of Semiconductors》2005年第9期1716-1721,共6页王勇 石艳玲 刘斌贝 丁艳芳 唐深群 朱骏 陈寿面 赵宇航 
国家自然科学基金(批准号:60306012);上海市科委启明星计划(批准号:04QMX1419);上海市教委优青后备人才计划(批准号03YQHB061)资助项目~~
To decrease the metal losses of RF spiral inductor,a novel layout structure with gradually reduced metal line width and space from outside to inside is presented. This gradual changed inductor has less eddy-current ef...
关键词：RF spiral inductor quality factor eddy-current effect metal losses 
Calculation of Skin Depths and Eddy-Current Power Losses for Magnetic Position Sensors
《Journal of Materials Science & Technology》2000年第2期244-245,共2页Chung-Ping Liu (Department of Electrical Engineering, Yuan Ze University, Chungli 320, Taiwan-China Yeong-Hwa Chang and Tsung-Kun Lin (Department of Electrical Engineering, Chung Cheng Institute of Technology, Taoyuan 335, Taiwan-China Kun-Tong Wu and Ch 
We present a theoretic model to calculate skin depths and eddy-current power losses for a magnetic position sensor. Eddy-current, arised from the operation of an alternating-current excitation, induces secondary curre...
关键词：Calculation of Skin Depths and Eddy-Current Power Losses for Magnetic Position Sensors 
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