Epitaxial thin films of a ferroelectric perovskite-type oxide grown on single-crystalline SrTiO3 (100) were transferred onto a flexible printed circuit (FPC). In the case that the thin films were directly adhered onto FP ... more
The interaction between diamond surfaces and alkali metals were studied experimentally and computationally. Li reacted with diamond above 600℃ and significant etching of (100) surface was observed. An attempt was made to ... more
In order to establish a method to precisely predict penetration depths for macro and micro laser welding at manufacturing sites, we have investigated how to determine experimental conditions for Hablanian plot. We need t ... more
A copper has been widely applied for various industrial components such as heat exchangers, heat pipes, electro circuits and motors because of having excellent properties such as thermal conductivity and electrical condu ... more
Reduction of Power Supply Voltage for the CMOS Exponentiation Conversion IC Effectively Utilizing Weak Inversion Operation
論文No: ページ数: 10 日付: 2022/10/01
著者: 西山 直哉（東洋大学大学院 理工学研究科 電気電子情報専攻），松井 文也（東洋大学大学院 理工学研究科 電気電子情報専攻），佐野 勇司（東洋大学大学院 理工学研究科 電気電子情報専攻）
キーワード : 信号変換回路，弱反転，べき乗関数，非線形補正，低電源電圧
signal conversion circuit，subthreshold，exponentiation function，nonlinearity compensation，low power supply voltage
In order to compensate the non-linear characteristics in many kinds of electronic devices, the exponentiation conversion circuit that can change the power exponent to any value has been proposed. The exponentiation conve ... more
The novel wireless system that distributes polarization of the electromagnetic wave using conventional device which enables PSK modulation is proposed. The system achieves high quality wireless communication by using sui ... more
Non-invasive positive pressure ventilation (NPPV), an artificial respiration therapy, is a treatment in which a mask is attached to the patient’s face and delivers gas into the mask to support breathing. The NPPV mask st ... more
The prevention of traffic accidents involving elderly drivers is an important issue. Research on elderly drivers often uses the driving simulator (DS). Visually induced motion sickness (VIMS) has been pointed out as a pr ... more
This research aimed to compare of accuracy for machine learning using pulse wave. The subjects were 32 healthy young adults. They were divided to two groups by psychological tests. The pulse waves were measured during fo ... more
Efficient equipment operations by using energy demand forecast and optimized operation schedule have become common. To reduce the influence of forecasted errors, it is effective to apply re-forecast methods that updates ... more
In recent years, projection mapping has become popular in the commercial and artistic fields. Among them, there is projection mapping that the viewer's motion and the movie interact. They are called interactive art, and ... more
Tackling diabetes, an increasingly common lifestyle-related illness, requires information on patients’ lifestyle and habits. Blogs maintained by patients afflicted with the incurable illness may be useful for analyzing h ... more
Adam is one of the general optimization algorithms in neural networks. It can accelerate convergence speed while learning. It has, however, two problems. The first is that the final performance of a network trained by Ad ... more
Quantitative Analysis for Application Specific Calibration Approaches for Low-Cost Sensors for Air Quality Monitoring
論文No: ページ数: 6 日付: 2022/10/01
著者: M V Narayana (Department of Electrical Engineering, Indian Institute of Technology Madras), Devendra Jalihal (Department of Electrical Engineering, Indian Institute of Technology Madras), Shiva Nagendra S M (Department of Civil Engineering, Indian Institu
キーワード : air pollution，low-cost sensors，calibration models，air quality monitoring methods.
Air quality monitoring (AQM) at fine and granular levels helps in implementing better air pollution control and mitigation plans. Low-cost sensing is a relatively new paradigm for AQM at high spatial and temporal resolut ... more
The objective of the present study was to evaluate the effect of extremely low frequency (ELF)-electric field (EF) treatment on decubitus ulcer. Hairless mice (Hr-/kud) were used, and ulcers were formed by magnetic compr ... more
IEEJ Transactions on Electronics, Information and Systems Vol.142 No.10 (2022) Special Issue on “Recent Development on Electronics Materials and Related Technologies”
論文No: ページ数: 119 日付: 2022/10/01
著者:
キーワード :
・強誘電体エピタキシャル薄膜のフレキシブル化プロセスにおける白金バッファ層の効果：水山 智文，西川 博昭・ダイヤモンドとアルカリ金属の相互作用と加工技術への応用：島田 敏宏，竹鼻 大貴，山根 伊知郎・ハブラニアン ... more
In this study, we proposed a system to quantify the plant height from a three-dimensional point cloud of a plant using the INTEL REALSENSE DEPTH CAMERA D415. This system was used to compare and evaluate plant growth unde ... more
In this paper, we propose an animal blink detection method using the frame subtraction method for the purpose of automating physical examination by measuring the blink frequency in a veterinary hospital. The proposed met ... more
In this paper, we design both an individual blade pitch angle controller and a collective blade pitch angle controller using wind speed preview information for floating offshore wind turbines. The controllers are designe ... more
In this paper, we investigate an assist control for a system in which a human and a robot cooperate to transport an object toward a designated position and angle. We consider a situation where the force due to the human ... more
In this paper, we propose an efficient method for human dense avoidance based on a coverage control. Our motivation is to avoid crowding in public facilities such as stations and government offices, and human dense in th ... more
Trajectory Generation of Balloon Robot Using Time-based State Control Form
論文No: ページ数: 7 日付: 2022/09/01
著者: 堀 雄貴（電気通信大学大学院情報理工学研究科），内田 雅文（電気通信大学大学院情報理工学研究科）
キーワード : バルーンロボット，時間軸状態制御形，胸鰭
balloon robot，time-state control form，pectoral fin
The purpose of this study is to construct an automatic control form that can stably and precisely control the movement of a balloon robot by applying a control system using a temporal state control form with the movement ... more
A recommendation system is one of the methods to support users' information acquisition. Collaborative filtering (CF) is a popular method to achieve it. Users' preferences (how much users like items) are represented as r ... more
IEEJ Transactions on Electronics, Information and Systems Vol.142 No.9 (2022) Special Issue on “Perception information technology contributed to intelligent mechatronics field”
論文No: ページ数: 69 日付: 2022/09/01
著者:
キーワード :
・三次元画像計測による植物工場用人工光の比較：北 雄介，青木 広宙・フレーム間差分法を用いた動物の瞬目検出手法の検討：佐藤 佑一，林 純一郎，伊藤 良樹・風速の予見情報を用いた浮体式洋上風車の個別ブレードピッチ角 ... more
In recent years, with the rapid spread of IoT and the practical application of 5G, the demand for higher performance microwave devices is expected to grow further. This paper deals with a semi-lumped element power divide ... more
Wireless communication devices such as wireless LANs and RFIDs are essential for smart home appliances and IoT (Internet of Things) devices in Smart Cities. When measuring the high-frequency noise generated by devices, w ... more
A new architecture of the wireless terminal to creating the polarization rotating wave (RPW) using conventional RF chip and SoC which consists of CPU and FPGA is proposed. The prototype radio of this architecture was man ... more
The multiple-input and multiple-output (MIMO) characteristic modes of the double ring circular array antenna were calculated, and it was confirmed that excitations equivalent to the orbital angular momentum (OAM) modes c ... more
Voltage Difference Index Modeling of Charge-Discharge Energy Efficiency Degradation of Lithium-ion Batteries
論文No: ページ数: 8 日付: 2022/08/01
著者: 有馬 理仁（大和製罐（株）技術管理部／立命館大学大学院理工学研究科），林 磊（大和製罐（株）技術管理部），福井 正博（立命館大学大学院理工学研究科）
キーワード : リチウムイオン蓄電池，効率劣化，充放電エネルギー推定，電流考慮，任意充電率区間
lithium-ion battery，efficiency degradation，charge-discharge energy estimation，current consideration，any state of charge sections
A large amount of variable renewable energies has been introduced, simultaneously, the energy storage, for example, lithium-ion batteries became necessary because of the fluctuation and surplus of them. For efficient use ... more
Peak-shaving Strategies for LP Gas Cylinder Distribution based on IoT Data
論文No: ページ数: 9 日付: 2022/08/01
著者: 土岐 爽真（東京ガス（株）基盤技術部 次世代技術研究所），塩野 直志（神奈川工科大学情報学部情報工学科），本間 裕大（東京大学生産技術研究所），長谷川 大輔（東京大学生産技術研究所）
キーワード : IoT，ビッグデータ，ピークカット，数理最適化，LPガス配送
Internet of Things，big data，peak shaving，mathematical optimization，LP gas distribution
Low Power Wide Area network (LPWA) is widely spread, and support for IoT is progressing in Japan. In the current LP gas market, Sellers and distributors are possible not only to monitor their customers remotely but also ... more
