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Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation最新文献

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3D analytical and numerical modeling of skewed tubular magnet arrays 倾斜管状磁体阵列的三维解析与数值模拟
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481457
B. Gysen, K. Meessen, Johannes J. H. Paulides, E. Lomonova
{"title":"3D analytical and numerical modeling of skewed tubular magnet arrays","authors":"B. Gysen, K. Meessen, Johannes J. H. Paulides, E. Lomonova","doi":"10.1109/CEFC.2010.5481457","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481457","url":null,"abstract":"This paper considers analytical and numerical techniques to model the magnetic field distribution in a tubular actuator with skewed permanent magnets (PMs). The analytical solution is obtained by solving the magnetostatic Maxwell equations in terms of the scalar potential for the 3D geometry. The 3D analytical solution is compared with 2.5D analytical solutions as well as 3D finite element solutions. Various skewing topologies will be considered and the accuracy of the 2.5D analytical solution on the skewing angle will be given.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123037452","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
Sparse wavelet approximations to transient space-time electromagnetic wave fields 瞬态时空电磁波场的稀疏小波逼近
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481282
A. Ngoly, S. McFee
{"title":"Sparse wavelet approximations to transient space-time electromagnetic wave fields","authors":"A. Ngoly, S. McFee","doi":"10.1109/CEFC.2010.5481282","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481282","url":null,"abstract":"The purpose of this contribution is to introduce a method for constructing sparse, efficient, accurate and reliable representations of large-scale, discretely sampled transient space-time electromagnetic wave fields, through the use of sparse wavelet approximations. The sparse wavelet approximations are achieved by performing a three step computational process that involves a forward Fast Wavelet Transform (FWT) step, a wavelet coefficient truncation step, and an inverse FWT (IFWT) step. Numerical results that demonstrate the applicability and versatility of the approach are provided. Rigorous error analyses are also provided to demonstrate the accuracy of the method.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114435461","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
Reverse engineering legacy code for finite element field computation in magnetics 逆向工程遗留代码有限元场计算在磁学
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481490
T. Arudchelvam, J. Wijayakulasooriya, S. Hoole
{"title":"Reverse engineering legacy code for finite element field computation in magnetics","authors":"T. Arudchelvam, J. Wijayakulasooriya, S. Hoole","doi":"10.1109/CEFC.2010.5481490","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481490","url":null,"abstract":"The development of code for finite elements-based field computation has been going on at a pace since the 1970s, yielding code that was not put through the formal software lifecycle. As a result, today we have legacy code running into millions of lines, implemented without planning and not using proper state-of-the-art software design tools. It is necessary to redo this code to exploit object oriented facilities and make corrections or run on the web in Java. Object oriented code's principal advantage is reusability. It is ideal for describing autonomous agents so that values inside a method are private unless otherwise so provided — that is encapsulation makes programming neat and less error-prone in unexpected situations. Recent advances in software make such reverse engineering/reengineering of this code into object oriented form possible. In this paper we reverse engineer legacy code in FORTRAN written decades ago for the computation of magnetic fields by the finite element method into the modern languages of Java and C++.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"251 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114544475","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
Reduction design of cogging torque of BLDC motor for EPS application EPS用无刷直流电机齿槽转矩减小设计
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481051
Young-kyoun Kim, S. Rhyu, I. Jung
{"title":"Reduction design of cogging torque of BLDC motor for EPS application","authors":"Young-kyoun Kim, S. Rhyu, I. Jung","doi":"10.1109/CEFC.2010.5481051","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481051","url":null,"abstract":"This paper deals with the design comparison of two type BLDC motor for the electric power steering, which are a surface mounted permanent magnet motor and an interior permanent magnet motor.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116848045","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: 3
Finite element simulation of hard magnetoelastic thin films 硬磁弹性薄膜的有限元模拟
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481782
M. Barham, D. White
{"title":"Finite element simulation of hard magnetoelastic thin films","authors":"M. Barham, D. White","doi":"10.1109/CEFC.2010.5481782","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481782","url":null,"abstract":"We are interested in the deformation of a thin magnetoelastic film. This has many possible applications, such as in microfluidic actuators and sensors. In previous articles a finite element method has been used for transient simulation of the deformation of the film, for the special case of soft magnetic material only. In this article the approach is extended to the case of hard (permanent) magnetoelastic materials. The hard magnetic material case involves an additional system of equations for the self-field, and it also results in a non-symmetric Maxwell stress tensor.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117104783","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
Calculation and experimental analysis of induction motor eccentricity 感应电机偏心的计算与实验分析
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481722
M. Rigoni, N. Sadowski, N. Batistela, J. Bastos, S. L. Nau, A. Kost
{"title":"Calculation and experimental analysis of induction motor eccentricity","authors":"M. Rigoni, N. Sadowski, N. Batistela, J. Bastos, S. L. Nau, A. Kost","doi":"10.1109/CEFC.2010.5481722","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481722","url":null,"abstract":"This paper presents electromagnetic FEM field calculations and measured data on a three-phase induction motor. This machine is on purpose adapted to allow moving its rotor and so imposing eccentricities. The influence of the eccentricity is investigated by calculations and verified by measurements with a newly designed magnetic sensor and electronic device.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129417746","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
Design and analysis of specific high-speed solid rotor induction motor with copper end rings 铜端环专用高速固体转子感应电动机的设计与分析
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481678
Y. Gessese, A. Binder
{"title":"Design and analysis of specific high-speed solid rotor induction motor with copper end rings","authors":"Y. Gessese, A. Binder","doi":"10.1109/CEFC.2010.5481678","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481678","url":null,"abstract":"The performance of a 3-phase, 4-pole, 24000 rpm, axially slitted and radially grooved high-speed solid rotor induction motor (SRIM) with copper end-rings is studied and analyzed numerically, using a 2D FEM tool. The prototype motor is constructed and tested. The FEM simulation results are compared with the measured ones.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124004518","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
3D modeling of time reversal microwave imaging in nondestructive evaluation 无损评价中时间反转微波成像的三维建模
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481441
Naiguag Lei, S. Reyes‐Rodríguez, L. Udpa, S. Udpa
{"title":"3D modeling of time reversal microwave imaging in nondestructive evaluation","authors":"Naiguag Lei, S. Reyes‐Rodríguez, L. Udpa, S. Udpa","doi":"10.1109/CEFC.2010.5481441","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481441","url":null,"abstract":"This paper presents a feasibility study of imaging discontinuities in dielectric materials using principles of time reversal with microwaves. The principle is demonstrated by modeling the propagation of forward and time reversed electromagnetic waves using 3D finite difference time domain techniques. Simulations results validating this approach will be presented. Initial results clearly demonstrate the capability of this approach to image locations of discontinuities in materials.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124029386","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
Design methodology using the newly proposed synthetic flux linkages considering cross-Magnetization for Interior PM Synchronous Machine 采用新提出的考虑交叉磁化的内部永磁同步电机综合磁链的设计方法
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481694
Y. Ahn, Sang-Yong Jung
{"title":"Design methodology using the newly proposed synthetic flux linkages considering cross-Magnetization for Interior PM Synchronous Machine","authors":"Y. Ahn, Sang-Yong Jung","doi":"10.1109/CEFC.2010.5481694","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481694","url":null,"abstract":"New design methodology using the numerically identified the synthetic flux linkages for Interior Permanent Magnet Synchronous Motor(IPMSM) with multi-layered PMs is proposed. Furthermore, the cross-magnetization between the d-q axis in IPMSM mainly due to the magnetic saturation is investigated via the adopted synthetic flux linkages. The proposed design methodology using the numerically identified synthetic flux linkages by Finite Element Analysis (FEA) is validated with the experimental ones for the purposely-built prototype.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"58 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123224518","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
Distortion of sensed electric field by conducting sensor platforms 导电传感器平台产生的感应电场畸变
Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation Pub Date : 2010-05-09 DOI: 10.1109/CEFC.2010.5481379
Phillip A. M. Sandborn, D. Hull, S. Vinci
{"title":"Distortion of sensed electric field by conducting sensor platforms","authors":"Phillip A. M. Sandborn, D. Hull, S. Vinci","doi":"10.1109/CEFC.2010.5481379","DOIUrl":"https://doi.org/10.1109/CEFC.2010.5481379","url":null,"abstract":"Charged objects such as aircraft and projectiles create a moving electric field which can be detected by sensors in the vicinity of such objects. Arrays of these sensors can be used to estimate charge, position, and velocity of the charged objects. Sensor platforms generally distort these electric fields. For some applications, it is beneficial to know how the platforms distort these electric fields. Several closed form, analytical solutions for electric fields around simple geometries were constructed and compared to equivalent Method of Moments (MoM) numerical solutions. Other MoM models permit analysis of fields that cannot be solved in closed form. These models can be used to design electric-field sensor systems used to detect, localize, and range charged aircraft or projectiles.","PeriodicalId":148739,"journal":{"name":"Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127888354","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: 7
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