Search Results:  1-20 of 9131

  • 1

    Comprehensive studies on the accuracy of trap characterization by using advanced random telegraph noise simulator

    Higashi Yusuke , Matsuzawa Kazuya , Ishihara Takamitsu

    … Simulations reveal that the conventional analytical model using the ratio between the capture and emission time constants yields large errors in the estimates of trap site positions due to interactions with the Si substrate and poly-Si gate especially in thin gate insulator MOSFETs. …

    Jpn. J. Appl. Phys. 54(4S), 04DC14, 2015-03-19

    JSAP

  • 2

    A Study of Quality Evaluation Method Using Division Determination by Simulink Model Metrics  [in Japanese]

    峯岸 賢吾 , 上田 賀一 , 深津 隆志 , 久保 孝行

    現在,多くの組込みシステム開発の現場で,MATLAB/Simulink を用いたモデルベース開発が行われている.近年のシステム大規模化・複雑化により,Simulink を用いた開発において高品質で効率的なモデル作成が求められている.これまでの研究でモデルメトリクスを用いた品質分析は分析精度が低く,充分な評価結果が得られていない.本研究では,精度向上のためモデルの各レイヤをデータフローと構造の 2 …

    IPSJ SIG Notes 2015-SE-187(31), 1-8, 2015-03-05

    IPSJ

  • 3

    A Media Analytical Model Enabling Critical Analysis for Picturebooks  [in Japanese]

    Kana KAWASHIMA , Masato WADA

    Bulletin of Tokyo Gakugei University. Educational sciences 66(2), 453-478, 2015-02-27

    CiNii Fulltext Link

  • 4

    A Three-dimensional Thermal Generation and Thermal Transfer Simulator for LSI Substrate by GPU  [in Japanese]

    渡邊 聖剛 , 大村 崇 , 北川 友貴 , 林 磊 , 孟 林 , 福井 正博

    近年,回路の高集積化に伴う発熱の増大により,熱設計が重要となっている.熱設計を行う解決策に熱解析シミュレーションがあるが,計算量が膨大となる.我々はこれまで GPU を用いた 2 次元熱回路網モデルによる高速伝熱シミュレータを実現した.しかし,2 次元熱回路網モデルでは垂直方向の熱分布の解析精度が不十分である.本研究では 3 次元での熱分布を考慮した 3 次元熱回路網モデルを提案する.既存の回路行 …

    情報処理学会研究報告. EMB, 組込みシステム 2015-EMB-36(46), 1-6, 2015-02-27

    IPSJ

  • 5

    A Three-dimensional Thermal Generation and Thermal Transfer Simulator for LSI Substrate by GPU  [in Japanese]

    渡邊 聖剛 , 大村 崇 , 北川 友貴 , 林 磊 , 孟 林 , 福井 正博

    近年,回路の高集積化に伴う発熱の増大により,熱設計が重要となっている.熱設計を行う解決策に熱解析シミュレーションがあるが,計算量が膨大となる.我々はこれまで GPU を用いた 2 次元熱回路網モデルによる高速伝熱シミュレータを実現した.しかし,2 次元熱回路網モデルでは垂直方向の熱分布の解析精度が不十分である.本研究では 3 次元での熱分布を考慮した 3 次元熱回路網モデルを提案する.既存の回路行 …

    情報処理学会研究報告. SLDM, [システムLSI設計技術] 2015-SLDM-170(46), 1-6, 2015-02-27

    IPSJ

  • 6

    A Media Analytical Model Enabling Critical Analysis for Picturebooks  [in Japanese]

    川島 佳奈 , 和田 正人

    東京学芸大学紀要. 総合教育科学系 66(2), 453-478, 2015-02

  • 7

    Shaking table tests on single-story anti-symmetric Z-type NC braced frame focusing on one-directional incremental torsional deformation behavior  [in Japanese]

    高松 隆夫 , 玉井 宏章 , 山西 央朗 [他] , 小松 真吾 , 中山 雅隆

    … In this paper, one-story and one-span model specimen is employed and shaking table test and numerical analysis are carried out to examine fully the incremental distortional deformation behavior. … Elastic-plastic restoring force characteristics of the braced structures and experimental results are discussed in comparison with the analytical results. …

    広島工業大学紀要. 研究編 49, 67-73, 2015-02

    IR

  • 8

    Analytical model for silicon-on-insulator lateral high-voltage devices using variation of lateral thickness technique

    Yao Jiafei , Guo Yufeng , Li Man , Huang Xiaofeng , Lin Hong , Ji Xincun , Xu Yue

    … However, no analytical model has been reported for exploring the physical mechanism quantitatively. … By solving the two-dimensional (2D) Poisson equation, an analytical model for a silicon-on-insulator (SOI) device with a VLT structure is proposed in this paper to optimize the surface potential and electric field distribution of the VLT SOI device. …

    Jpn. J. Appl. Phys. 54(2), 024301, 2015-01-26

    JSAP

  • 9

    Analyzing the Impacts of Simultaneous Supply and Threshold Voltage Tuning on Energy Dissipation in VLSI Circuits  [in Japanese]

    竹下 俊宏 , 西澤 真一 , IslamA.K.M Mahfuzul , 石原 亨 , 小野寺 秀俊

    トランジスタの電源電圧としきい値電圧をアプリケーションやチップの動作状況に応じて適切に設定することにより,集積回路の消費エネルギーを大幅に削減できることが過去の研究で報告されている.しかし,チップのエネルギー効率を維持したまま必要とする電源電圧としきい値電圧の種類を削減するための方策や,より少ない種類の電源電圧としきい値電圧を用いて効果的にチップのエネルギー消費を削減するための指針を示した研究は前 …

    情報処理学会研究報告. SLDM, [システムLSI設計技術] 2015-SLDM-169(20), 1-6, 2015-01-22

    IPSJ

  • 10

    A Design Method for Energy Saving in Air-Conditioning Water Distribution Systems : Development of a Simulation Model and Its Analytical Sensitivity  [in Japanese]

    趙 飛 , 住吉 大輔

    都市・建築学研究 : 九州大学大学院人間環境学研究院紀要 (27), 67-72, 2015-01

  • 11

    ANALYTICAL ACCURACIES OF MAXIMUM STRENGTH OF ISOLATED FRAMED SHEAR WALLS BY SIMPLIFIED MODEL : Case of isolated framed shear walls subjected to diagonal load  [in Japanese]

    兼平 雄吉 , 小野里 憲一

    日本建築学会構造系論文集 80(707), 105-115, 2015-01

  • 12

    Influence of Imperfection in Vibration of Induction Motor Stator  [in Japanese]

    吉武 裕 , 野崎 優 , 田川 夏湖 , 片原田 浩之 , 山崎 豪 , 原田 晃

    … Moreover, the accuracy of the natural frequency of the analytical model isexamined by the finite element method. …

    長崎大学大学院工学研究科研究報告 45(84), 1-5, 2015-01

    IR

  • 13

    Analysis for fluid-elastic instability of tube arrays in cross-flow

    UTSUMI Masahiko

    … To date, no study has been conducted on analytical methods to solve the fluid dynamics governing equations system for the fluid-elastic vibration of tube arrays in a straightforward manner. … In this paper, a semi-analytical method for this vibration problem is investigated by considering the system as a collection of regular polygon cells and expressing unknowns on each side of the cells by base expansion. …

    Mechanical Engineering Journal advpub(0), 2015

    CrossRef

  • 14

    Flow of viscoelastic fluid in curved tube (Visualization of flow in curved tube and analytical optimization by finite element method)  [in Japanese]

    YAMAGUCHI Hiroshi , SHINOMIYA Akira , YAMASAKI Haruhiko , IWAMOTO Yuhiro , NIU Xiao-Dong

    … The liquid mode consideration is a model-fluid, which is newly made to investigate the viscoelastic fluid. … The finite element method was used to obtain the analytical solution for the viscoelastic character in the curved pipe. … The rheorogical characterization was made by measuring the model-fluid with a precision rheometer. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A advpub(0), 2015

    CrossRef

  • 15

    Coupled vibration of engine structure considering acoustic characteristics of water coolant passage and prediction of liner cavitation. (Numerical method and experimental evaluation by model chamber)  [in Japanese]

    OHTA Kazuhide , WANG Xiaoyu , ONO Akihiro , SAEKI Atsushi

    … To examine the validity of this method, rectangular tank model containing the water is used to measure the response of water pressure fluctuation and structural vibration induced by the impulsive force acting on the structure. … Measured water pressure response and structural vibration of rectangular tank model agreed well with the analytical results and the validity of the analytical method was confirmed. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A advpub(0), 2015

    CrossRef

  • 16

    Coupled vibration of engine structure considering acoustic characteristics of water coolant passage and prediction of liner cavitation (Numerical method and experimental evaluation by model chamber)  [in Japanese]

    OHTA Kazuhide , WANG Xiaoyu , ONO Akihiro , SAEKI Atsushi

    … To examine the validity of this method, rectangular tank model containing the water is used to measure the response of water pressure fluctuation and structural vibration induced by the impulsive force acting on the structure. … Measured water pressure response and structural vibration of rectangular tank model agreed well with the analytical results and the validity of the analytical method was confirmed. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 81(822), 14-00447-14-00447, 2015

    CrossRef

  • 17

    Internal stress analysis of a wound roll across widthwise direction  [in Japanese]

    KIRIBE Shigeyoshi , AOKI Ryosuke , HASHIMOTO Hiromu

    … In the field of web handling, analytical models have been developed to figure out radial and circumferential stress of a wound roll. … We use modified Hakiels model with air entrainment effects. … The main characteristic of this model is that it distributes the winding tension across widthwise direction based on non-uniform radius. … The model has a problem that it does not consider the radial compression of a wound roll when the most outer layer is added. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 81(821), 14-00143-14-00143, 2015

    CrossRef

  • 18

    A SURVEY AND ANALYSIS OF LABOUR ACCIDENTS IN THE CONSTRUCTION INDUSTRY DUE TO FALLS ON SLOPES AND A STUDY OF MEASURES TO PREVENT FALLING ACCIDENTS  [in Japanese]

    ITOH Kazuya

     建設業における労働災害による死亡者数は従来から墜落災害によるものが最も多く,建設業全体の約4割を占めている.本論文は,土木工事業にて墜落災害発生時の主な作業箇所として分類される「崖・斜面」からの墜落災害を対象として,実態把握および墜落災害防止対策の確立のための基礎データを得ることを目的とした労働災害(死亡災害)事例の調査分析を行った.また,分析結果を基にして,ヒューマン・ファクター工学で適用され …

    Doboku Gakkai Ronbunshuu F 71(1), 13-24, 2015

    CrossRef

  • 19

    Influence of nonlinear spring behavior of friction on dynamic characteristics of a rolling guideway

    SAKAI Yasunori , TANAKA Tomohisa , YOSHIOKA Hayato , ZHU Jiang , TSUTSUMI Masaomi , SAITO Yoshio

    … A simple friction model is constructed based on the Masing rule. … Because the proposed friction model is described with only three parameters, the factor that inherently affects the dynamic characteristics can be clearly identified. … According to the results, the dynamic characteristics in the feed direction depend only on the change rate of friction in the prerolling region, which is introduced to the friction model as the shape factor, n. …

    JAMDSM 9(1), JAMDSM0004-JAMDSM0004, 2015

    CrossRef

  • 20

    Fire spread simulation of small plastics using FDS Ver. 6  [in Japanese]

    Mori Kazuhiro , Hideura Tsutomu , Shibata Yoshimaro , Okamoto Naoki , Nishiki Shinnosuke

    … We prepared an analytical model with 2.5 mm mesh size to compare time variation of temperature with the experimental results. …

    Japanese journal of science and technology for identification 20(1), 93-102, 2015

    CrossRef