发布求助
文献互助 智能选刊 最新文献

2006 12th Biennial IEEE Conference on Electromagnetic Field Computation最新文献

筛选
英文 中文
An Inverse Problem Methodology to Analyze Demagnetization Phenomenon in Permanent Magnet Machines 永磁电机退磁现象的反问题分析方法
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1632833
J. Farooq, A. Djerdir, A. Miraoui
{"title":"An Inverse Problem Methodology to Analyze Demagnetization Phenomenon in Permanent Magnet Machines","authors":"J. Farooq, A. Djerdir, A. Miraoui","doi":"10.1109/CEFC-06.2006.1632833","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1632833","url":null,"abstract":"The paper presents a novel approach of analyzing demagnetization phenomenon in permanent magnet (PM) machines. Experimental measurements of electromotive force (EMF) results for example, have been used to calculate the magnet's remanent induction (Br) in its different regions. Resolution by Maxwell's equations and gradient based algorithm is applied to solve this inverse problem. The research is a continuation of the work presented [J. Farooq et al., 2006], where demagnetization modeling analysis is taken as a direct problem","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124414041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Active Microwave Imaging using a Deformable Mirror 使用可变形镜的主动微波成像
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1632871
K. Arunachalam, L. Udpa, S. Udpa
{"title":"Active Microwave Imaging using a Deformable Mirror","authors":"K. Arunachalam, L. Udpa, S. Udpa","doi":"10.1109/CEFC-06.2006.1632871","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1632871","url":null,"abstract":"Microwave tomography, an active microwave imaging technique, involves reconstruction of the spatial distribution of dielectric property inside the object of interest using field measurements for different angles of incidence. In this paper, a novel microwave tomography system employing a continuously deformable mirror is discussed. Preliminary simulation results demonstrating the validity of the approach are presented","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"513 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124468871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An Improved Simulated Annealing Algorithm for the Channel Allocation Problem in cellular networks 蜂窝网络信道分配问题的一种改进模拟退火算法
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1632918
P. Girdinio, M. Nervi, M. Rossi
{"title":"An Improved Simulated Annealing Algorithm for the Channel Allocation Problem in cellular networks","authors":"P. Girdinio, M. Nervi, M. Rossi","doi":"10.1109/CEFC-06.2006.1632918","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1632918","url":null,"abstract":"Appropriate channel allocation on each cell is one of the most challenging issues in setting up and operating a cellular system, both for its practical importance, as the correct reuse of the available frequencies is crucial to guarantee good quality of service and good operating conditions of filters and power amplifiers, and its inherent difficulty, being the channel allocation problem (CAP) combinatorial, NP-hard and very highly constrained. In this paper an improvement to a simulated annealing based algorithm, in conjunction with several heuristics, is presented to face the problem, and its efficiency in solving a real-world application is shown","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"46 13","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120847912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Complex Representation of Field Diffusion in Magnetic Materials Involving Saturation and Eddy Currents 涉及饱和和涡流的磁性材料场扩散的复杂表示
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633001
S. Mezani, B. Laporte
{"title":"Complex Representation of Field Diffusion in Magnetic Materials Involving Saturation and Eddy Currents","authors":"S. Mezani, B. Laporte","doi":"10.1109/CEFC-06.2006.1633001","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633001","url":null,"abstract":"The paper deals with the concept of effective reluctivity to use in problems expressed in terms of phasor quantities. A ID problem involving magnetic saturation and eddy currents is solved by a time stepping method. A single time harmonic solution is also given for several definitions of the effective reluctivity. Comparisons are related to the steady state impedance","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125957976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Improving Neural Networks Sensitivity Extraction of Electromagnetic Devices 改进电磁器件的神经网络灵敏度提取
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633090
D.A. Vieira, J. Vasconcelos, W. Caminhas
{"title":"Improving Neural Networks Sensitivity Extraction of Electromagnetic Devices","authors":"D.A. Vieira, J. Vasconcelos, W. Caminhas","doi":"10.1109/CEFC-06.2006.1633090","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633090","url":null,"abstract":"This paper applies the parallel layer perceptron network trained with the minimum gradient method (PLP-MGM) to the problem of sensitivity extraction of electromagnetic devices. The networks trained with the MGM are less dependent of user's defined parameters, as, for instance, the number of neurons. Some results are presented considering the sensitivity extraction of a loudspeaker magnet assembly, and they show the effectiveness of the proposed approach","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126121098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling and Detection Algorithms of the P-SLAM Optical Data Storage System P-SLAM光数据存储系统的建模与检测算法
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633239
K. Goss, M. Potter, G.G. Messeir
{"title":"Modeling and Detection Algorithms of the P-SLAM Optical Data Storage System","authors":"K. Goss, M. Potter, G.G. Messeir","doi":"10.1109/CEFC-06.2006.1633239","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633239","url":null,"abstract":"The P-SLAM (parallel-sublambda) optical data storage system uses sub-wavelength features to store data and data densities of 5 Gbits/cm 2 are predicted. To detect the sub-wavelength features the near-field transmitted power is measured. The main hindrance to detection is interference from neighboring features. The FDTD method is used to model a limited span of the interference. A modified Viterbi algorithm is applied to a string of power measurements synthesized from the FDTD simulations and raw bit error rates of 10-4 are achieved indicating that this algorithm is effective","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123793316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synchronous Machine Parameters Estimation Considering the Field Flux Leakage Saturation 考虑磁场漏磁饱和的同步电机参数估计
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633282
Zhang Xinli, Luo Yingli, Meng Liang
{"title":"Synchronous Machine Parameters Estimation Considering the Field Flux Leakage Saturation","authors":"Zhang Xinli, Luo Yingli, Meng Liang","doi":"10.1109/CEFC-06.2006.1633282","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633282","url":null,"abstract":"The magnetic field distributions of a 300 MW generator under various operating conditions are obtained based on finite element method. Through analysis we find that the exciting leakage field is highly saturated when the machine is heavy loaded. Based on these study, new saturable parameters and model are developed. The small and large disturbance data are simulated by a time-stepping finite element model of a synchronous generator connected to infinite bus via a transformer with delta-star wiring. The data provided by the simulation are used to estimate the linear and saturable parameters. Since the disturbance data is not easily obtained online especially for heavy loaded conditions, FEM based simulation offers a new approach to solve this problem","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126954546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Torque Calculation Method of Spherical Robotic Wrist Motor 球形机器人手腕电机转矩计算方法
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633292
S. Won, Ju Lee
{"title":"Torque Calculation Method of Spherical Robotic Wrist Motor","authors":"S. Won, Ju Lee","doi":"10.1109/CEFC-06.2006.1633292","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633292","url":null,"abstract":"This paper presents the torque calculation method of a new spherical robotic wrist motor capable of three degrees of freedom (DOF) motion in a single joint. The spherical motor bases its operation principle on permanent magnet BLDC motor. Prediction of the spherical motor characteristics requires the computation of the exact motor dynamics at each position and angle using 3D finite element analysis which imposes a computational burden. By only calculating Lorentz forces of the coil area mesh elements, this computational burden can be reduced","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"168 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116116649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Modeling and Characterization of Transformers Internal Faults using Finite Elements and Discrete Wavelet Transforms 基于有限元和离散小波变换的变压器内部故障建模与表征
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633182
O. Mohammed, N. Abed
{"title":"Modeling and Characterization of Transformers Internal Faults using Finite Elements and Discrete Wavelet Transforms","authors":"O. Mohammed, N. Abed","doi":"10.1109/CEFC-06.2006.1633182","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633182","url":null,"abstract":"This paper examines the behavior of single phase and three phase transformers with internal faults under sinusoidal and non-sinusoidal operating conditions. The terminal behavior of the transformer was investigated by coupling the finite element transformer's physical model and external electric circuit simulations. Such a model would allow the efficient representation of the transformers with internal faults. A discrete wavelet transforms (DWT) was then used to extract the different harmonic components of the transformer currents. The key advantages of the DWT are its ability to provide a local representation (in both time and frequency) of the current signal for normal and faulty modes, as well as its applicability to nonstationary signals","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123002867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quasi-3D Crack Size Estimation Using Eddy Current Testing Images on Austenite Stainless Steel Plates 利用涡流检测图像估计奥氏体不锈钢板的准三维裂纹尺寸
2006 12th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2006-06-05 DOI: 10.1109/CEFC-06.2006.1633210
H. Endo, T. Uchimoto, T. Takagi
{"title":"Quasi-3D Crack Size Estimation Using Eddy Current Testing Images on Austenite Stainless Steel Plates","authors":"H. Endo, T. Uchimoto, T. Takagi","doi":"10.1109/CEFC-06.2006.1633210","DOIUrl":"https://doi.org/10.1109/CEFC-06.2006.1633210","url":null,"abstract":"This paper proposes a crack sizing method in eddy current testing (ECT) for austenite stainless steel plates. The image and finite element analyses for the ECT response maps estimate size of surface breaking and crack depth, respectively. At first, template matching identifies surface breaking in fragments. Second, measuring the length of fragment gives a quasi-3D region for sizing crack depth. Third, the crack is reconstructed by iteration of fast finite element analysis. Finally, overlapping all evaluated cracks represents complicated-shape cracks. It is shown that size of stress corrosion cracking is efficiently estimated","PeriodicalId":262549,"journal":{"name":"2006 12th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122058634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信