Experimental Study on Spherical Winding System for Magnetically Coupling Type Non-contact Omnidirectional Power Transfer Coil
論文No: ページ数: 7 日付: 2024/04/01
著者: 大宜見 祐貴（千葉工業大学大学院工学研究科電気電子工学専攻），相知 政司（千葉工業大学工学部電気電子工学科）
キーワード : 磁界結合型非接触給電，全方位給電，送電コイルの形状，理論的最大効率 magnetic field coupling type contactless power supply，omnidirectional power supply，shape of transmission coil，theoretical maximum efficiency
In recent years, contactless power transfer technology has attracted attention as a new power transfer technology. However, there is a problem that the efficiency of contactless power transfer with coupled magnetic field ... more
Recent methods using thermistors as an early detection of skin cancer require the higher resolution of 5 mK. Previously, the authors developed a vacuum insulated temperature device that calibrates the resistance temperat ... more
A Consideration of Heavy Rainfall Detection Method Using Multi-Parameter Phased Array Radar, Convolutional Neural Network, and Long Short-Term Memory Network
In order to mitigate weather disasters caused by heavy precipitations, it is important to observe 3-dimensional precipitation structure in a storm with high temporal resolution. In recent years, the development of phased ... more
A Study on Motor Structure with Boost Reactor Function
論文No: ページ数: 6 日付: 2024/04/01
著者: 張 磊（秋田大学），吉田 征弘（秋田大学），櫻井 将（秋田大学），半田 修士（秋田大学），田島 克文（秋田大学）
キーワード : リアクトルとモータの一体構造，永久磁石モータ，小型軽量化 integrated structure of reactor and motor，permanent magnet motor，downsizing and lightening
In recent years, due to the demand for miniaturization and weight reduction of magnetic devices such as in-vehicle drive motors, the authors have focused on miniaturization of the system through the fusion of devices. In ... more
Space Charge Profiles in Elastomer Sheets with Laminating Area of Vertical Direction against Electric Field Direction
論文No: ページ数: 7 日付: 2024/04/01
著者: 犬塚 通子（豊田工業高等専門学校），光本 真一（豊田工業高等専門学校），栗本 宗明（名古屋大学），藤井 雅之（大島商船高等専門学校），福間 眞澄（松江工業高等専門学校）
キーワード : 空間電荷，積層エラストマー，積層方向 space charge，laminate elastomer sheets，laminating direction
In this paper, the space charge profiles in elastomer sheets with laminating area of vertical direction against electric field direction is investigated. Samples were prepared using a stereolithographic 3D printer. Sampl ... more
This paper proposes a science workshop in which children find the science around them by themselves, think about experiments, prepare experiments, imagine the results of experiments, and lead the results. This workshop i ... more
The Synergetic Effect of Nitrogen-Doped Carbon Dot and Short Carbon Fiber Reinforced Epoxy Composite on Electromagnetic Shielding in X-Band and Mechanical Properties
論文No: ページ数: 8 日付: 2024/03/01
著者: Gandluri Parameswarreddy (Department of Electrical Engineering, IIT Madras), Nirmiti Mate (Department of Chemistry, IIT Indore), Kavitha Arunachalam (Department of Engineering Design, IIT Madras), Ramanujam Sarathi (Department of Electrical Engineering, IIT Madras), Shaikh M. Mobin (Department of Chemistry, IIT Indore), Hisayuki Suematsu (Extreme Energy-Density Research Institute, Nagaoka University of Technology)
キーワード : electromagnetic interference，X-band frequency，nitrogen-doped carbon dot，short carbon fiber
The present study aims on the fabrication of hybrid epoxy composite with zero-dimensional (0D) filler nitrogen-doped carbon dot (N-CDs) and short carbon fiber (SCF) for the electromagnetic interference (EMI) shielding in ... more
The ringing due to cable resonance in contact discharge waveforms is verified by contrasting the frequencies of variations in the “transfer impedance” of an ESD generator, which is newly defined in this paper as the rate ... more
Plasma behavior in cesium-seeded argon (Ar/Cs) and xenon-seeded argon (Ar/Xe) disk-shaped MHD generators is compared under almost the same working conditions using r-θ two-dimensional simulation. For both working gases, ... more
In this report, the validity of the theoretical formula for the magnetic force acting on a steel ball from a Magnetic guiding magnet is examined by t-test. Also, considered whether the theoretical formula can be applied ... more
We are studying to estimate the behavior of care recipients and patients in bed from the sounds they generate. Since the distribution of the sound source and its movement, and spectral information are supposed to be the ... more
The Metaverse has revolutionized the way of human activities in society, and the way we think about measurement technology is also about to change. Nevertheless, the use of the Metaverse for measurement has not yet been ... more
A mastication sound is one of the important factors in the perception of taste. Effects of the mastication sound on texture, pleasure, and discomfort have been investigated by sensory evaluation based on psychological qu ... more
A transformer plays a key role in electric power distribution system; therefore, when the transformer fails, several electrical components may get affected. As a result, diagnosing the deterioration of transformers is im ... more
Receiving augmentation signals from the Quasi-Zenith Satellite System (QZSS) via each of our fixed Global Navigation Satellite System (GNSS) antennas, geocentric Cartesian coordinates for the three multi-frequency GNSS a ... more
Prototyping of a CR-Type Ideal Integrator and DC Magnetic Properties
論文No: ページ数: 9 日付: 2024/02/01
著者: 園田 敏勝（園田電気電子技術士事務所），松崎 隆哲（近畿大学産業理工学部），山本 哲也（久留米工業高等専門学校電気電子工学科），山光 史哲（九州産業大学理工学部）
キーワード : CR型理想積分器，直流磁気特性，直流B-Hループ，理想OPアンプ，一次遅れ回路，恒温槽
CR-type ideal integrator，DC magnetic characteristic，DC B-H loop，ideal operational amplifier，first order lag circuit，thermostatic chamber
The B-H loop is a widely used method of evaluating the magnetic properties of magnetic material. While AC excitation supplies are most commonly used, there are also citations in the literature for DC magnetic properties. ... more
In recent years, there has been an increasing need to estimate emotions objectively using biological data. The relationship between Russell's Circumplex Model and autonomic nervous system indicators has been widely discu ... more
Recent Activities of Frontiers in Education Committee of IEE Japan, from 2022 to 2023
論文No: ページ数: 2 日付: 2024/01/01
著者: 中村 格（鹿児島工業高等専門学校 電気電子工学科）
キーワード : 教育フロンティア，倫理委員会，社会連携委員会，連携，展望 Frontiers in Education，Ethics Committee，Committee on Social Engagement，cooperation，prospect
This paper explains a movement of 2022-2023. Agenda is as follows. Technical Committee on Frontier in Education Cooperation with Ethics Committee, Cooperation with Committee on Social Engagement, Prospect, and Member. "E ... more
Recent Activities of History of Electrical Engineering Committee (HEE)
論文No: ページ数: 3 日付: 2024/01/01
著者: 中川 聡子（東京都市大学），澤 敏之（（株）日立製作所 エネルギーソリューション本部），丸島 敬（東芝エネルギーシステムズ（株） エネルギーシステム技術開発センター）
キーワード : 電気技術史，オーラルヒストリー，ニューズレター，でんきの礎，国際活動，電気の精 history of electrical engineering，oral history，newsletter，one step on electro technology，international activities，la Fee Electricite (the fairy of electricity)
The main objective of HEE is to examine the direction in which electrical engineering should move in the years ahead by studying the past. Electrical engineering history constitutes the basis of technologies that we shou ... more
Activities of Technical Committee on Electromagnetic Theory and Introduction of its Research Topics
論文No: ページ数: 2 日付: 2024/01/01
著者: 古川 慎一（日本大学理工学部）
キーワード : 電磁界理論技術委員会の活動，研究事例 activities of Technical Committee on Electromagnetic Theory，research topics
This report briefly presents activities of Technical Committee on Electromagnetic Theory (EMT), IEEJ. Our committee is now implementing the activities on 2023, which includes three times of the technical committee meetin ... more
The technical committee on electromagnetic compatibility (EMC) was established under the Fundamentals and Materials Society (FMS), the Institute of Electrical Engineers in Japan (IEEJ) in 1999. Since then, research and i ... more
This report introduces recent activities of the Technical Committee on Electrical Discharges, Plasma, and Pulsed Power (EPP). The major research subjects and aims of the technical committee on EPP, and the recent activit ... more
This article reports the topics of the field in light application and visual science, the activities of the technical committee (TC-LAV) and the introduction of research of technical meeting on light application and visu ... more
The IEEJ Technical Committee on Instrumentation and Measurement has explored key technologies in this field through technical meetings and research committees. Its recent activities and some leading research results are ... more
Latest Trend and Front Line in Research Field of Dielectrics and Electrical Insulating Materials―Topics from the 10th International Symposium on Electrical Insulating Materials (ISEIM2023)―
This paper reviews the latest trend and front line of research activities in the field of dielectrics and electrical insulating materials (DEI) according to the papers presented in the 10th International Symposium on Ele ... more
In this article, we report recent advances in metallic and ceramics materials technologies. The forefront of the informatics application examples, such as data-mining, machine learning, neural network model, searching fo ... more
As new phenomena regarding the interactions between light, heat, electricity, and magnetism are discovered, the investigation to understand the mechanisms are actively carried out as well as the development of new high-p ... more
QAM Signal Measurement Method based on Under-sampling
論文No: ページ数: 6 日付: 2024/01/01
著者: 下田 大世（日本大学大学院理工学研究科電子工学専攻），大谷 昭仁（日本大学理工学部電子工学科）
キーワード : 無線通信，無線通信評価，ADC，アンダーサンプリング radio communication，radio communication evaluation，ADC，under-sampling
This paper describes a QAM signal evaluation method in a radio communication evaluation system based on under-sampling. Although frequency elements generated by quadrature demodulation can be calculated using QAM symbols ... more
In this paper we measured the electrical potential distribution of surface dielectric barrier discharges caused by alternating voltage in synthetic air and nitrogen using the Pockels effect. It was shown that different p ... more
