CFAR Circuit by Normalization of Standard Deviation for Detection of a Light Buoy Observed by an S-band Radar
論文No: ページ数: 8 日付: 2021/12/01
著者: 佐山 周次（防衛大学校通信工学科）
キーワード : Sバンドレーダ，シークラッタ，灯浮標，標準偏差の規格化，一定誤警報率，ワイブル分布 S-band radar，sea clutter，light buoy，normalization of standard deviation，CFAR，Weibull distribution
To detect a target (light buoy) and suppress Weibull distributed clutter, I have introduced CFAR (Constant False Alarm Rate) circuit by normalization of standard deviation. The false alarm probability does not depend on ... more
The purpose of this study is to develop a line-of-sight input interface using the eye-glance input method, which uses a glance eye movement and method of estimating the eye-control movement by analyzing the image of the ... more
With the goal of establishing a new cancer treatment method using nanosecond pulsed electric fields (nsPEFs), we investigated the effect of applying nsPEFs and anticancer drugs (adriamycin, ADM) to cancer cells. The surv ... more
Surface and Internal Charge Measurement in Fluorinated Polymer Irradiated by Electron using Non-contact Type PEA Method
論文No: ページ数: 7 日付: 2021/12/01
著者: Kaisei Enoki (Tokyo City University), Kazuki Endo (Tokyo City University), Hiroaki Miyake (Tokyo City University), Yasuhiro Tanaka (Tokyo City University)
キーワード : space charge，PEA method，non-contact type electrode，electron beam，fluorinated polymer
Spacecraft are exposed by radioactive rays, such as highly energetic electrons, protons, and plasma. The surface insulating materials of spacecraft are charged because of being exposed by such high energy charged particl ... more
Introduction of the Next Generation ZEH by Meteo Data Driven Control and Smart Architectural and MEP Approaches from the Architect's Standpoint
論文No: ページ数: 4 日付: 2021/12/01
著者: 福井 正孝（エムエフマーク合同会社一級建築士事務所）
キーワード : 気象データ駆動，ZEH，省蓄再エネ，制御技術，AI/IoT搭載HEMS，防減災 weather data driven，ZEH，saving-storing-renewable-energy，control technology，HEMS equipped with AI/IoT，disaster prevention-mitigation
In recent years, there is an increasing demand for ZEH equivalent houses as an initiative for housing to cope with global warming and decarbonization in Japan, which become increasingly intense and embodied. Under such c ... more
Due to growing concerns over climate change, as well as to the recent cost declines, variable renewable energies (VREs), such as wind and solar PV, have seen rapid deployment over the past few years. High penetration of ... more
Phase Characteristics for Harmonics Current on using Home Electric Appliance
論文No: ページ数: 8 日付: 2021/12/01
著者: 徳永 義孝（岡山県立大学 情報工学部）
キーワード : 家電機器，高調波，フーリエ級数，位相値，電力品質 home electric appliance，harmonics，Fourier series，phase value，power quality
This paper presents that the phase characteristics in the current waveform at using home electric appliances were found. A current waveform consisting of a right triangle pulse waveform over a particular voltage phase ra ... more
Determination Method of Volt-var Curve Settings for Smart Inverters to Decrease SVR Tap Operations caused by PV Output Fluctuations and Minimize Distribution Losses
Due to the expansion of the photovoltaic (PV) power generation expected in the future, voltage fluctuations that occur locally in the distribution system are regarded as a problem. As one method of the suppressing this v ... more
Stability Improvement of Power System by Cooperative Virtual Inertia Control and Reactive Power Control of PMSG Wind Generator and Battery
論文No: ページ数: 9 日付: 2021/12/01
著者: 佐藤 孝政（北見工業大学地球環境工学科），Faramarz Alsharif（北見工業大学地球環境工学科），梅村 敦史（北見工業大学地球環境工学科），高橋 理音（北見工業大学地球環境工学科），田村 淳二（北見工業大学地球環境工学科）
キーワード : 永久磁石型同期発電機，仮想同期発電機，PIDファジィ制御，風力発電，電力系統安定度 permanent magnet synchronous generator (PMSG)，virtual synchronous generator (VSG)，Fuzzy Logic control (FLC)，wind power generation，power system stability
Renewable energy generation systems are promising energy sources, however, they have a problem that they do not have, in general, inertia and synchronous power. A system with low inertial and synchronization forces has l ... more
To realize Society 5.0, edge AI techniques have attracted attention. On the other hand, security issues of edge AI have been reported. In addition, in the field of hardware security, the threat of hardware Trojan (HT) is ... more
Network Traversal with Mobility (NTMobile), which provides both IP mobility and connectivity in a mixed IPv4/IPv6 environment, can control whether or not encrypted UDP tunnel communication is allowed per node according t ... more
Several studies have been conducted on measurements based on the self-coupling effect of semiconductor lasers. In these studies, the modulation of the optical output caused by the scattering of light from an object to th ... more
In this study, we developed a new method to detect unknown low-height obstacles using 3D point clouds from stereo cameras. Conventional semantic segmentation methods using a depth image by Deep Neural Network (DNN) can d ... more
Stabilization of Observers with a Function of Estimating Unmeasurable Inputs to Second-order Lag Systems
論文No: ページ数: 2 日付: 2021/12/01
著者: 不破 勝彦（大同大学），増田 友規（大同大学大学院），成清 辰生（豊田工業大学）
キーワード : 2次遅れ系，外乱，同一次元状態推定器，安定化 second-order lag system，disturbance，full-order state observer，stabilization
In this letter, a synthesis method of the stabilized observers with a function of estimating unmeasurable inputs (OFE) to second-order lag systems is proposed. The basic idea is to synthesize the compensator gain of OFE ... more
We propose a method for generating a self-hearing voice by applying the voice conversion technique to a recorded voice. We sometimes feel unnatural when we hear our own recorded voice. One of the reasons is the differenc ... more
We have recently developed a several milli-joule, sub-nanosecond laser source for ophthalmic therapy application which allows to lower a laser breakdown threshold, less than half, and more stably/effectively yield the br ... more
Tolerant Distance and Alignment Deviation Analysis of LED-based Portable Optical Wireless Power Transmission System for Compact IoT
論文No: ページ数: 7 日付: 2021/12/01
著者: Yuhuan Zhou (Tokyo Institute of Technology), Tomoyuki Miyamoto (Tokyo Institute of Technology)
キーワード : optical wireless power transmission，LED，solar cell，wireless charging，internet of things
For Internet-of-things (IoT) terminals, wiring or battery replacement are not effective power supplying methods due to excess installation and maintenance cost. Optical wireless power transmission (OWPT) is a promising c ... more
Recently, research to achieve narrow emission from GaN-based VCSELs has been of great interest. Sony's VCSELs with curved mirror has feature of strong lateral optical condiment, in which, causes wider emission angle. The ... more
In this paper, we propose design of low-power digital expanded-pulse width modulation (E-PWM) using adiabatic dynamic CMOS logic (ADCL) for 12-step dimming control circuit of an LED lighting system. As results of HSPICE ... more
The column readout circuit in CMOS image sensor is highly integrated analog circuit arranged for each column of pixels in general. Due to the degree of integration, crosstalk between columns is likely to occur, resulting ... more
This paper proposes parasitic compensated 2-phase 3rd and 5th-order switched capacitor low-pass filters using single operational amplifier. The effect of parasitic capacitance can be theoretically removed under the assum ... more
Signal-to-quantization-noise ratio (SQNR) of discrete-time delta-sigma modulators (DTΔΣMs) are degraded when low-gain operational amplifiers (Op-Amps) are used. Correlated level shifting (CLS) technique has been proposed ... more
In edge computing environments, edge servers are placed on network edges in addition to centralized cloud servers in order to reduce latency and avoid congestion. For designing edge computing systems, in this paper, we p ... more
Understanding information processing in peripheral somatosensory pathway is essential for revealing mechanisms account for sensory impairments. To investigate cellular functions under in vivo-like conditions, many cell-c ... more
Model biological membranes are a useful tool to study the molecular properties and functions of membrane proteins. We develop a strategy to directly reconstitute mammalian membrane proteins from the cell membrane into a ... more
In this paper, we propose a method to perform partial re-colorization of an image that has been miscolored by fully automatic color restoration. This makes it possible to make partial colorization without changing the ar ... more
Authors previously proposed a closed loop identification method based on Laguerre functions for an industrial controller with non-linear procedures. In this method, the controlled and manipulated variable are presented i ... more
The robust controller is often required for suppressing modeling errors and disturbances. In order to design the robust controller analytically, the H∞ control problem and the μ-synthesis are proposed as the model-based ... more
Inspection of the occurrence of underground cavities is important for preventing sudden road collapse accidents. As a non-excavation inspection method, there is a ground penetrating radar technology that observes the bac ... more
The vehicle routing problems for services of collecting home garbages are hard to optimize due to not only their combinatorial scale but also their intrinsic constraints. This problem is becoming a serious issue from vie ... more
