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
Lightning strikes affect wind power operations not only when accidents occur. If a wind turbine in the winter lightning area along the Sea of Japan is struck by lightning, the operator must promptly shut down the wind tu ... more
The AC tie-line model in power supply-demand and frequency analysis generally calculates the tie-line power flow only by the rotor angle deviation between control areas and the synchronizing torque coefficient. However, ... more
Grid forming inverters are expected to be installed in the utility grid in the near future, because they can provide inertia and short circuit capacity that are likely to decrease due to abolishment of thermal power plan ... more
In recent years, lightning strokes affects not only industrial facilities but also common households. In order to reduce the damage by lightning strokes, lightning observation have been actively conducted in various plac ... more
Effect of Different Cooling Methods on LCC Calculation of Generator-motors
論文No: ページ数: 10 日付: 2024/04/01
著者: Jinxiu Chen (Institute of Electrical Engineering, Chinese Academy of Sciences), Jie Liu (China Three Gorges Construction Engineering Corporation), Jiaxin Huang (Institute of Electrical Engineering, Chinese Academy of Sciences), Zhangbin Yang (China Three
キーワード : pumped storage power station，generator-motor，life cycle management，evaporative cooling
The pumped storage power station has a promising future and attention should be paid to maximize its economic benefits. Life cycle theory is an advanced method used to measure economics, the adoption of evaporative cooli ... more
Training the Next Generation of Clinical Engineers―Prospects for Integrated AI/ICT Education and Research―
論文No: ページ数: 4 日付: 2024/04/01
著者: 熊谷 寛（北里大学医療衛生学部医療工学科臨床工学専攻），古平 聡（北里大学医療衛生学部医療工学科臨床工学専攻）
キーワード : 次世代，臨床工学技士，養成校，AI，ICT prospects for the next generation，clinical engineers，training schools，AI，ICT
The medical field is evolving day by day, and the role of training clinical engineers is also undergoing changes. In this explanatory article, we will focus on new training methods for clinical engineers based on recent ... more
MicroRNA (miRNA), a type of non-coding RNA, is known to suppress the expression of target genes and there is an increasing number of studies analyzing various miRNAs in cancer. In an integrated analysis of miRNA and gene ... more
Due to the increasing number of patients with chronic obstructive pulmonary disease (COPD) and lung cancer, the use of low-field MRI (magnetic resonance imaging) is attracting attention. Low-field MRI is less expensive a ... more
Many aspects of how magnetic particles, particularly magnetite particles, are distributed in living organisms and how they affect brain function and neurodegenerative diseases remain unclear. There is an urgent need to d ... more
Spatial data from a portable GPS logger have the potential to allow objective monitoring of locations where physical activity is taking place in a community. However, few studies have identified common physical activity ... more
Many healthcare-oriented recipe recommendation methods are proposed in previous research. In some previous research, the additional purchase cost and the food loss are minimized in addition to the maximization of the hea ... more
In this study, we designed, fabricated and evaluated a dark hole generation optical system that combines an annular phase plate and an annular wave plate for super-resolution microscopy based on stimulated emission or up ... more
When developing a blink input interface, conscious (voluntary) and natural (involuntary) blink types must be automatically classified. We previously proposed a method for blink type classification using a 3D convolutiona ... more
The purpose of this research is to propose a small-scale adaptive HDR (High Dynamic Range) system that can be implemented in cameras that can be applied to simple monitoring systems widely used in small cameras such as w ... more
Two-Step Reset to Reduce the SNR Drop in the LOFIC CMOS Image Sensor
論文No: ページ数: 7 日付: 2024/04/01
著者: Kazuki Tatsuta (Research Organization of Science and Engineering Ritsumeikan University), Ai Otani (Research Organization of Science and Engineering Ritsumeikan University), Ken Miyauchi (Brillnics Japan Inc.), Sang-Man Han (Brillnics Japan Inc.), Hideki
キーワード : CMOS image sensor，LOFIC，HDR，correlated double sampling，SNR，reset noise
A lateral overflow integration capacitor (LOFIC) complementary metal oxide semiconductor (CMOS) image sensor can realize high-dynamic-range (HDR) imaging with combination of low-noise signals and high-full-well-capacity ... more
Peltier device is used for both thermoelectric cooling and thermoelectric power generation, where the Peltier and Seebeck effect occur simultaneously when current is applied. Conventional thermal equivalent circuits for ... more
In this paper, we present a visual feedback control method via an input-to-state safe control barrier function (ISSf-CBF). The control objective is that a camera-mounted mobile robot achieves the desired relative pose to ... more
We focus on household garbage collection services to find an optimization method that simultaneously satisfies the convenience of residents and the efficiency of vehicle collection. The cost of garbage collection depends ... more
Development of a Classroom Model and Classroom Practice of Measurement and Control for Fostering Spontaneous Problem-Solving Skills in Junior High School Technology
論文No: ページ数: 8 日付: 2024/04/01
著者: 髙橋 元龍（広島大学大学院人間社会科学研究科），諏澤 侑汰（広島大学大学院人間社会科学研究科），川田 和男（広島大学大学院人間社会科学研究科）
キーワード : 問題解決能力，計測・制御，中学校，モデルベース開発的思考 problem-solving skills，measurement and control，junior high school，model-based development thinking
The Sixth Science, Technology and Innovation Basic Plan of the Cabinet Office points out the importance of integrating cyberspace and physical space and fostering the ability to solve problems spontaneously in order to r ... more
Disturbance suppression is an important issue in control system design. Model Predictive Controllers (MPCs) excel in suppressing known disturbances, offering uniform handling of reference tracking and disturbance respons ... more
In this paper, an omnidirectional source tracking method based on sensitivity difference of microphone pairs is proposed. In the conventional method, we developed the direction estimation method based on a histogram inte ... more
Cloud bursting is used to offload processing to the cloud when on-premise data centers run out of computing resources. Data in the on-premise data center needs to be copied to the cloud at the start of cloud bursting. Si ... more
This study conducted basic experiments to develop a detection technique for the dart-out of pedestrians from non-line-of-sight areas based on diffracted waves measured by 2.4 GHz-band radar. We demonstrated accurate clas ... more
