• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Development of High-Speed Video Cameras and Study on Dynamic Deformation Behavior of Materials

Research Project

Project/Area Number 01850027
Research Category

Grant-in-Aid for Developmental Scientific Research (B).

Allocation TypeSingle-year Grants
Research Field 材料力学
Research InstitutionOsaka University

Principal Investigator

TANAKA Masao  Osaka University, Faculty of Engineering Science, Associate Researcher, 基礎工学部, 助手 (40163571)

Co-Investigator(Kenkyū-buntansha) 大場 信弥  (株)日立製作所中央研究所, 主任
NOGUCHI Hiroshi  Nac Inc., Image Engineering Center, Senior Engineer, 部長
MORIMOTO Yoshiharu  Osaka University, Faculty of Engineering Science, Associate Professor, 基礎工学部, 助教授 (20029573)
OHBA Shinya  Hitachi Ltd., Central Research Laboratory, Manager of Mobara Office
瀬口 靖幸  大阪大学, 基礎工学部, 教授 (20031073)
Project Period (FY) 1989 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥7,900,000 (Direct Cost: ¥7,900,000)
Fiscal Year 1990: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 1989: ¥6,300,000 (Direct Cost: ¥6,300,000)
KeywordsHigh speed Video camera / Image processing / Moire Method / Grid Method / Solid state Image Sensor / Strain Rate Distribution / 高速度カメラ / 動的挙動 / 変形解析
Research Abstract

In order to study high-speed deformation of materials, high speed digital video cameras are developed by using solid-state image sensors. Three types of image sensors are used. These are a MOS type image sensor with an optical black area, a MOS type image sensor without the optical black area and a CCD image sensor with an optical black area. The frame speed and frame size are controlled by a personal computer. When a small scanning-area of the image sensors is selected, the frame speed becomes faster ; however the corresponding resolution decreases. The ideal maximum frame speed is about 12 millions frames/sec. The practical maximum speed is 420 thousands frames/sec because of noises and the wide pulse-width of the control signal. The image signal is stored in IC memories by using an A/D convertor. The image signal is sent to the same IC memories by cyclically rewriting. If a trigger is ent after the phenomenon is completed, the desired images before the trigger are easily captured. T … More he recording time is about one second.
In order to measure deformation of materials, the Fourier transform moire and grid method (FTMGM), which has been developed by the authors, is used. In this method, the interpolation between fringes or grating lines is performed very naturally by using the phases of the sinusoidal brightness distribution, which is obtained from the first harmonic of the Fourier spectrum of the image of the fringes or grating lines. The process of this method is simple and completely automated, without subjective process. Therefore this analysis can exclude human errors so that accurate measurements of displacement, strain, velocity, strain rate and height are performed. In spite of double differentiation with respect to distance and time, the accuracy is high because the smoothing of data is naturally performed in the FTMGM. The program of the FTMGM is developed on personal computers and workstations.
Some experiments such as stress wave propagation in a rubber tube and vibration of a rubber plate are performed. These may be the first report measuring strain rate distribution. Less

Report

(3 results)
  • 1990 Annual Research Report   Final Research Report Summary
  • 1989 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] 森本 吉春,瀬口 靖幸,山下 正晃: "高速度ビデオカメラの開発と応力波伝ぱ中のひずみ速度分布の測定" 日本機械学会論文集(A編). 55巻517号. 2027-2032 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO,Yasuyuki SEGUCHI,Toshihiko HIGASHI: "Moire Analysis of strain by Fourler Transform" JSME International Journal, Series I. Vol.32,No4. 540-546 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO,Yasuyuki SEGUCHI,Toshihiko HIGASHI: "Twoーdimensional Moire Method and Grid Method Using Fourier Transform" Experlmental Mechanics. Vol.29,No.4. 399-404 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO,Yasuyuki SEGUCHI,Toshihiko HIGASHI: "Strain Analysis by Mismatch Moire Method and Grid Method Using Fourier Transform" Computational Mechanics. Vol.6,No.1. 1-10 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO,Yasuyuki SEGUCHI,Narihiko SUESE: "Realーtime Analyzer of Displacement and Strain Distributions Using Moire Method" Experimental Techniques. Vol.15,No1. 36-39 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO,Yasuyuki SEGUCHI,Masaaki YAMASHITA: "Development of a High Speed Video Camera and Measurement of Strain Rate Distribution under Propagation of Stress Wave" JSME International Journal, Series I. Vol.34,No.1. 37-43 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 森本 吉春編著,山下 正晃,小崎 左智子,大福 幸一: "パソコン画像処理ハンドブック (2)BASICで学ぶ画像処理" 共立出版, 218 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 矢川 元基編 分担執筆 森本 吉春 他21名: "計算力学[I]ー新しい応用と展開ー" 養賢堂, 328 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Yasuyuki SEGUCHI and Toshihiko HIGASHI: ""Moire Analysis of Strain by Fourier Transform"" JSME International Journal, Series I. Vol. 32, No. 4. 540-546 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Yasuyuki SEGUCHI and Toshihiko HIGASHI: ""Two-dimensional Moire Method and Grid Method Using Fourier Transform"" Experimental Mechanics. Vol. 29, No. 4. 399-404 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Yasuyuki SEGUCHI and Toshihiko HIGASHI: ""Strain Analysis by Mismatch Moire Method and Grid Method Using Fourier Transform"" Computational Mechanics. Vol. 6, No. 1. 1-10 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Yasuyuki SEGUCHI and Masao OKADA: ""Screening and Moire Suppressing in Printing and Its Analysis by Fourier Transform"" Systems and Computers in Japan. Vol. 21, No. 2. 98-106 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Sohei Ebara, Yuji Yamazaki, Takeo Harada, Noboru Hosono, Yoshiharu MORIMOTO, Li Tang, Yasuyuki SEGUCHI and Keiro ONO: ""Motion Analysis of the Cervical Spine in Athetoid Cerebral Palsy Extention-Flexion Motion"" Spine. Vol. 15. 1097-1103 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Yasuyuki SEGUCHI and Narihiko SUESE: ""Real-time Analyzer of Displacement and Strain Distributions Using Moire Method"" Experimental Techniques. Vol. 15, No. 1. 36-39 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Yasuyuki SEGUCHI and Masaaki YAMASHITA: ""Development of a High Speed Video Camera and Measurement of Strain Rate Distribution under Propagation of a Stress Wave"" JSME International Journal, Ser. I. Vol. 34, No. 1. 37-43 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO, Li TANG and Yasuyuki SEGUCHI: ""Automated 3D Measurement of Shape and Strain Distribution using Fourier Transform Grid Method"" Trans. Inst. Elec. Inf. and Comun. Eng. Ser. I.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshiharu MORIMOTO: "Strain Analysis by Mismatch Moire Method and Grid Method Using Fourier Transform" Computational Mechanics. 6. 1-10 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Yoshiharu MORIMOTO: "Realーtime Analyzer of Displacement and Strain Distribution Using Moire Method" Experimental Techniques. 15. 36-39 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Yoshiharu MORIMOTO: "Development of a High Speed Video Camera and Measurement of Strain Rate Distribution under Propogation of a Stress Wave" JSME International Journal,Ser I. 34. 37-43 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] 森本 吉春: "フ-リェ変換を用いたモアレ法/格子法の画像両端の不連続の影響による誤差とその改善法" 非破壊検査. 40. 20-27 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] Yoshiharu MORIMOTO: "Automated 30 Measurement of Shape and Strain Distribution using Fourier Transform Grid Method" Trans.Inst.Elec.Int.and Comun.Eng.Ser.I.

    • Related Report
      1990 Annual Research Report
  • [Publications] 森本 吉春: "走査モアレ法による二次元ひずみの計測" 非破壊検査.

    • Related Report
      1990 Annual Research Report
  • [Publications] 分担者森本 吉春: "レ-ザ計測ハンドブック基礎編" 丸善,

    • Related Report
      1990 Annual Research Report
  • [Publications] 分担者Yoshiharu MORIMOTO: "HANDBOOK ON EXPERIMENTAL MECHANICS" PRENTICEーHALL,INC.,

    • Related Report
      1990 Annual Research Report
  • [Publications] 森本吉春: "FTMGM法による変位・ひずみ・形状解析プログラム" 第6回ソフトウェアコンファレンスプロシ-ディングス. 159-162 (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] 森本吉春: "高速度ビデオカメラの開発と応力波伝播中のひずみ速度分布の測定" 日本機械学会論文集A編. 55ー517. 2027-2032 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] Yoshiharu MORIMOTO: "Real-time Analyzer of Displacement and Strain Distributions Using Moire Method" Experimental Technique.

    • Related Report
      1989 Annual Research Report
  • [Publications] Yoshiharu MORIMOTO: "Image Processing for Fourier Transform Moire and Grid Method(FTMGM)" Proc.1990 SEM Spring Conference on Experimental Mechanics.

    • Related Report
      1989 Annual Research Report
  • [Publications] Yoshiharu MORIMOTO: "Fourier Transform Moire Method in Consideration of Misalignment" Proc.9th International Conference on Experimental Mechanics.

    • Related Report
      1989 Annual Research Report

URL: 

Published: 1989-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi