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IEEE Transactions on Magnetics最新文献

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IEEE Magnetics Society Information IEEE 磁学学会信息
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-26 DOI: 10.1109/TMAG.2024.3430768
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引用次数: 0
IEEE Transactions on Magnetics Institutional Listings 电气和电子工程师学会《磁学学报》机构列表
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-26 DOI: 10.1109/TMAG.2024.3430770
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引用次数: 0
TechRxiv: Share Your Preprint Research with the World! TechRxiv：与世界分享您的预印本研究成果！
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-26 DOI: 10.1109/TMAG.2024.3432343
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引用次数: 0
IEEE Transactions on Magnetics Publication Information 电气和电子工程师学会《磁学学报》出版信息
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-26 DOI: 10.1109/TMAG.2024.3430769
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引用次数: 0
Research on Stator Loss Suppression of a Dual-Rotor Flux-Modulated PM Motor Based on Harmonic Directional Reduction 基于谐波定向抑制的双转子磁通调制永磁电机定子损耗研究
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-25 DOI: 10.1109/TMAG.2024.3433542
Zixuan Xiang;Hucheng Qian;Xiaoyong Zhu;Yuting Zhou;Li Quan;Feng Li
{"title":"Research on Stator Loss Suppression of a Dual-Rotor Flux-Modulated PM Motor Based on Harmonic Directional Reduction","authors":"Zixuan Xiang;Hucheng Qian;Xiaoyong Zhu;Yuting Zhou;Li Quan;Feng Li","doi":"10.1109/TMAG.2024.3433542","DOIUrl":"10.1109/TMAG.2024.3433542","url":null,"abstract":"In this article, a research method to reduce the stator core loss of dual-rotor flux-modulated permanent magnet (DR-FMPM) motor based on harmonic directional reduction is presented. Based on the field modulation theory, the relationships between airgap harmonics and stator core loss of the DR-FMPM motor is obtained. Then, the armature field and permanent magnet field sources of the air gap harmonics are considered in the analysis. In this manner, the airgap harmonics that only cause loss without contributing to torque are identified, and the magnetic field source of these harmonics can be recognized. Based on this, the design method of harmonic directional reduction for these airgap harmonics are proposed. Finally, the effectiveness of the stator core loss analysis and suppression is verified by finite element analysis (FEA).","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"60 9","pages":"1-7"},"PeriodicalIF":2.1,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141786152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THz Sensor Design With Graphene-Infused Metamaterial for Material Analysis 利用注入石墨烯的超材料设计用于材料分析的太赫兹传感器
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-24 DOI: 10.1109/TMAG.2024.3432907
T. Islam;A. Eroglu
{"title":"THz Sensor Design With Graphene-Infused Metamaterial for Material Analysis","authors":"T. Islam;A. Eroglu","doi":"10.1109/TMAG.2024.3432907","DOIUrl":"10.1109/TMAG.2024.3432907","url":null,"abstract":"This article presents the design and development of a novel terahertz (THz) sensor with a graphene-infused metamaterial for precise detection of different refractive indices. The sensor operates in a single-band frequency, with a metamaterial unit cell size set at 1.401 times the effective wavelength (\u0000<inline-formula> <tex-math>$lambda _{mathbf {eff}}$ </tex-math></inline-formula>\u0000), and it exhibits a resonant frequency of 4.48 THz. The proposed sensor achieves a remarkable peak absorption of 99%. The sensor is composed of a series of layers, such as graphene, polyimide, copper, and Teflon, to finely tune the absorption response. The sensitivity metrics of the sensor were derived from its absorption response to various refractive index profiles. The sensor’s sensitivity is studied with random dielectric substances and specific chemical analytes. The complete characterization of the sensor has been obtained for performance parameters, such as absorptivity versus analyte thickness, refractive indices, and chemical potentials. The outcome of this research affirms the suitability of the developed refractive index-based metamaterial sensor for a broad spectrum of THz sensing applications, highlighting its potential for enhancing THz imaging techniques.","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"60 9","pages":"1-5"},"PeriodicalIF":2.1,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141786347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Semi-Analytical Model for Spoke-Type PM Motor Nonlinear Magnetic Field Calculation With Irregular Magnetic Pole Shape 不规则磁极形状辐条式永磁电机非线性磁场计算的半解析模型
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-23 DOI: 10.1109/TMAG.2024.3432577
Huang Zhang;Wei Wang;Xinmin Li;Zhiqiang Wang
{"title":"Semi-Analytical Model for Spoke-Type PM Motor Nonlinear Magnetic Field Calculation With Irregular Magnetic Pole Shape","authors":"Huang Zhang;Wei Wang;Xinmin Li;Zhiqiang Wang","doi":"10.1109/TMAG.2024.3432577","DOIUrl":"10.1109/TMAG.2024.3432577","url":null,"abstract":"The optimization of the motor magnetic pole shape has been shown to improve the motor’s electromagnetic performance; however, the irregular shape makes the analytical calculation of the magnetic field difficult. In this article, the harmonic model (HM) method is used for spoke-type permanent magnet (PM) motor magnetic field calculation; considering the influence of irregular magnetic pole shape on the magnetic field, an equivalent method with a single-layer subdomain for irregular magnetic poles is proposed based on the principle of magnetoresistance equivalence. The modulation effect of the irregular magnetic pole on the magnetic field is equaled by the equal-thickness fan-shaped regular micro-slices with the permeability varying along the circumference. By this way, the standard boundary conditions requirement of the analytical method can be satisfied. Besides, the low rank of the coefficient matrix in boundary conditions of HM method results in a time-consuming inverse calculation of the coefficient matrix. To address this issue, the dimension-reduced harmonic model (DRHM) adapted to the tangential PM structure of a spoke-type motor is derived. The saturation effect of tooth-tip, tooth-slot, and magnetic pole region is considered by iterative calculations. Finally, the finite-element model (FEM) of 12S/10P dual three-phase spoke-type PM motor with the eccentric magnetic pole is built, and then, the effectiveness of the irregular magnetic pole equivalent method and DRHM method is verified.","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"60 9","pages":"1-9"},"PeriodicalIF":2.1,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141786153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Angle-Dependent In-Plane Magnetic Field Detection by MEMS Resonant Sensor 利用 MEMS 共振传感器进行角度相关的平面内磁场探测
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-22 DOI: 10.1109/TMAG.2024.3432158
Yuxi Wang;Mingye Du;Jiawei Li;Daozheng Luo;Tao Wu
{"title":"Angle-Dependent In-Plane Magnetic Field Detection by MEMS Resonant Sensor","authors":"Yuxi Wang;Mingye Du;Jiawei Li;Daozheng Luo;Tao Wu","doi":"10.1109/TMAG.2024.3432158","DOIUrl":"10.1109/TMAG.2024.3432158","url":null,"abstract":"Miniaturized piezoelectric/magnetostrictive resonators have been proven to be effective magnetometers with the \u0000<inline-formula> <tex-math>$Delta $ </tex-math></inline-formula>\u0000E effect. Here, we reported the magnetic field angle-sensitive behavior of compact piezoelectric/magnetostrictive Lamb mode resonators. Utilizing magneto-optic Kerr effect (MOKE) microscopy, we observed magnetic domain reversals over in-plane angles from 0° to 90°. This revealed shifts in remnant magnetizations and coercive fields of the device in response to the external magnetic field. Additionally, we analyzed the angle dependence of frequency shift on the external magnetic field directions. The largest shift was approximately 90 kHz at 90°. As the angle decreased, frequency shifts gradually reduced, approaching the minimal at 0°. The MEMS resonant sensor reached the highest sensitivity of 25 Hz/\u0000<inline-formula> <tex-math>$mu $ </tex-math></inline-formula>\u0000T when the magnetic field was along at 90°.","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"60 9","pages":"1-5"},"PeriodicalIF":2.1,"publicationDate":"2024-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141786154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Convolutional Physics-Informed Neural Networks for Fast Prediction of Core Losses in Axisymmetric Transformers 用于快速预测轴对称变压器铁芯损耗的卷积物理信息神经网络
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-22 DOI: 10.1109/tmag.2024.3431703
Philipp Brendel, Vlad Medvedev, Andreas Rosskopf
{"title":"Convolutional Physics-Informed Neural Networks for Fast Prediction of Core Losses in Axisymmetric Transformers","authors":"Philipp Brendel, Vlad Medvedev, Andreas Rosskopf","doi":"10.1109/tmag.2024.3431703","DOIUrl":"https://doi.org/10.1109/tmag.2024.3431703","url":null,"abstract":"","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"51 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141786349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Three-Layer Exchange Coupled Composite Media for Heat-Assisted Magnetic Recording 用于热辅助磁记录的 3 层交换耦合复合介质
IF 2.1 3区 工程技术
IEEE Transactions on Magnetics Pub Date : 2024-07-22 DOI: 10.1109/TMAG.2024.3428417
Yijia Liu;R. H. Victora
{"title":"Three-Layer Exchange Coupled Composite Media for Heat-Assisted Magnetic Recording","authors":"Yijia Liu;R. H. Victora","doi":"10.1109/TMAG.2024.3428417","DOIUrl":"10.1109/TMAG.2024.3428417","url":null,"abstract":"A novel three-layer thermally exchange coupled composite (3ly-ECC) media is proposed to mitigate heat-assisted magnetic recording (HAMR)-related noise at reduced operating temperature, particularly transition noise. Leveraging the Zeeman effect and anisotropy field gradients to switch the writing layer and the middle layer, respectively, the proposed 3ly-ECCs effectively reduce transition jitter by ~15% and bit error rate (BER) by ~85% in the absence of intergranular exchange (IGE), compared with the 2ly-ECC with the same total thickness. The improvement in transition jitter is supported by an analytical analysis of the energy function using a simple spin model, which highlights the contribution of large anisotropy and small magnetization in the middle layer. However, it is noted that the 3ly-ECC is more susceptible to erasure-after-write (EAW) effect than 2ly-ECC. Calculations reveal that increasing the anisotropy of writing layer suppresses the EAW effect in 3ly-ECCs, yet adversely affects BER due to the loss of rapid switching. Overall, the proposed 3ly-ECC effectively balances fast switching and EAW to yield superior jitter and BER compared with the two-layer counterpart. The results suggest that future endeavors could focus on developing suitable high-Ku and low-Ms composite media to potentially improve the areal density (AD) of HAMR device.","PeriodicalId":13405,"journal":{"name":"IEEE Transactions on Magnetics","volume":"60 9","pages":"1-10"},"PeriodicalIF":2.1,"publicationDate":"2024-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141786348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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