Recent Activities of Frontiers in Education Committee of IEE Japan, from 2018 to 2019
論文No: ページ数: 2 日付: 2020/01/01
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，Society5.0，リベラルアーツ，SDGs Frontiers in Education，Society5.0，Liberal Arts，Sustainable Development Goals
In Frontiers in Education Committee, we develop activity through announcement and discussion in Meetings on Frontiers in Education mainly. Its purpose is to contribute to information sharing about new development of high ... more
Recent Activities of History of Electrical Engineering Committee (HEE)
論文No: ページ数: 3 日付: 2020/01/01
著者: 日髙 邦彦（東京電機大学 大学院工学研究科）
キーワード : 電気技術史，オーラルヒストリー，21世紀における電力系統技術，卓越研究データベース，ニューズレター，国際活動 history of electrical engineering，oral history，power systems in the 21st century，database on noteworthy contribution for science and technology，newsletter，international activities
The main objective of HEE is to examine the direction in which electrical engineering should move in the years ahead by studying the past. The historical study of this field constitutes the various bases of technologies ... more
Activities of Technical Committee on Electromagnetic Theory and Introduction of its Research Topics
論文No: ページ数: 2 日付: 2020/01/01
著者: 後藤 啓次（防衛大学校）
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 2019, 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, researches and ... more
Recent technologies using electrical discharges, plasma, and pulsed power have been used in various areas involving high-voltage electric circuits/machines, organic/inorganic materials processing, environmental protectio ... 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
This is a review of the 50th Anniversary Symposium on Electrical and Electronic Insulating Materials and Application in Systems hosted by Technical Committee on Dielectrics and Electrical Insulation (TC-DEI) in IEEJ in o ... more
In this article, we report current status of superconducting joint technology development, which is currently one of the hottest topics in the superconductor research area, especially towards realization of ultra-high re ... more
The author explained the activities of the Technical Committee on Magnetics of IEEJ, focusing on the practical applications of high-frequency magnetic materials. The main topics are novel high-frequency magnetic material ... more
Whistling has become more popular in recent years. “Whistling competitions” are being held in Japan since 2005. However, it can be difficult to teach some people how to whistle. One of the reasons is that theoretical inf ... more
Cancer treatment by ultra-short pulse high electric field is one of new biological applications. This work focuses on difference of effects caused at applying the pulse to different types of cells for realizing cancer tr ... more
Solid-State Marx Generator for Application to Dielectric Barrier Discharge
論文No: ページ数: 4 日付: 2020/01/01
著者: Xiaojing Ren (Extreme Energy-Density Research Institute, Nagaoka University of Technology), Yuji Okada (Extreme Energy-Density Research Institute, Nagaoka University of Technology), Ryo Hiroyasu (Extreme Energy-Density Research Institute, Nagaoka Univer
キーワード : pulsed power，high voltage，discharge，power electronics，MOSFETs
A compact, semiconductor switched Marx generator has been developed. It consists of 12 modules, each has separate MOSFET switches for charging and discharging. This pulsed high-voltage generator has been designed to driv ... more
“Carbonization” were detected as the precursor phenomena on the insulation burning of rotating machine, and we have studied the generation condition for higher dV/dt of the inverter surge. We built the experimental setup ... more
Novel conductive polymer aluminum solid electrolytic capacitors were fabricated using DC etched aluminum foil and various polyhydric alcohols, such as erythritol, sorbitol, and polyglycerol (PG), as secondary dopant to i ... more
ZnO is a fine non-linear material and used in several electrical devices as surge arrestors. ZnO micro particles showed varistor properties. These ZnO micro particles were stressed with over current and their grains and ... more
This paper reviews on the location techniques of VHF electromagnetic (EM) source associated with lightning discharges. Thousands of VHF EM pulses are radiated during all processes of lightning discharge, especially in le ... more
Electric vehicle (EV) will prevail in the near future and many EV's are expected to be parked all day or almost all day according to a survey in Japan. They can contribute as vehicle-to-grid (V2G) to primary frequency re ... more
It is important to measure the operating voltage of a cell sealed in a photovoltaic module as well as well-known faults such as abnormal hot spots observed by thermography or a dark part in electro-luminescence distribut ... more
Recently, three phase and three leg transformers are many in use. Zero sequence flux of the three leg transformer flows outside of the iron core. Therefore, the zero sequence inductance will be small. The first pole clea ... more
In order to prevent blackouts initiated by instabilities, early prediction of the potentially dangerous conditions is essential. This paper presents a novel method to early predict the out-of-step condition after being s ... more
The sound of the tube amp due to the harmonic distortion has been thought to depend not only on the vacuum tube type but also on the vacuum tube manufacturer and individual differences. However, quantitative differences ... more
This paper presents input bias current (Ibias) reduction technique for high impedance CMOS op-amps with the proposed current compensation circuit to deal with the leakage current caused by Electro-Static Discharge (ESD) ... more
In recent years, interest in IoT (Internet of Things) has been increasing, and energy harvesting has attracted attention. However, the power and voltage that can be harvested are very small. Therefore, a power supply cir ... more
An exponentiation conversion circuit, which can be changed its power exponent to any value to compensate nonlinearity in electronic devices, is proposed. In the proposed circuit, new exponential conversion circuit conver ... more
In this paper, an auto-zero amplifier which reduces the offset voltage and output voltage ripple caused by the non-ideal characteristics of CMOS switches is proposed. Three capacitors are used to store the compensation v ... more
In this paper, a third-order complex RiCR filter using small number of grounded imaginary resistors is proposed. The proposed complex RiCR filter can be obtained by adopting the lowpass-highpass transformation and an equ ... more
Three-Dimensional Data Compression and Fast High-Quality Reconstruction for Phased Array Weather Radar
論文No: ページ数: 9 日付: 2020/01/01
著者: Ryosuke Kawami (Graduate School of Information Science and Engineering, Ritsumeikan University), Daichi Kitahara (Graduate School of Information Science and Engineering, Ritsumeikan University), Akira Hirabayashi (Graduate School of Information Science an
キーワード : Phased array weather radar，data compression，compressed sensing，convex optimization，Nesterov's acceleration
This paper proposes a fast high-quality three-dimensional (3D) compressed sensing for a phased array weather radar (PAWR), which is capable of spatially and temporally high-resolution observation of the atmosphere. Becau ... more
It is an important task to accurately track the target tumor with respiratory movement during radiation therapy. X-ray imaging technique is capable of observing the internal organ motion. However, superimposed tissues an ... more
In this paper, we show the effectiveness to use not only canny edge images but also hand contour images for hand pattern recognition by convolutional neural network (CNN). Hand contour images are binary images with only ... more
