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UAV-based bridge inspection system for emergency events

Research Project

Project/Area Number 26630212
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Structural engineering/Earthquake engineering/Maintenance management engineering
Research InstitutionKyoto University

Principal Investigator

KIM CHUL-WOO  京都大学, 工学(系)研究科(研究院), 教授 (80379487)

Co-Investigator(Kenkyū-buntansha) YAGI Tomomi  京都大学, 大学院工学研究科, 教授 (30293905)
SUGIURA Kunitomo  京都大学, 大学院工学研究科, 教授 (70216307)
Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords無人飛行体 / 緊急点検 / 画像処理 / 球形飛行体 / 橋梁点検 / 画像センサ / 丸い飛行体 / 維持管理 / 橋梁 / 無線センサ
Outline of Final Research Achievements

This study intends to develop a ball-type unmanned aerial vehicle (UAV) deploying a CMOS camera over two years. The study covers examination of maneuvering performance of the UAV, image processing from the CMOS camera and optimal ways of data transmission. Prototypes of the ball-type UAV have been successfully built. However problems to be solved have been observed through the test flights. The typical problem was on flight stability, which would be a great concern for real-word applications. Another problem was lack of strength of the frame that protect hovering system inside the frame. GFRP frame, thus, has been molded to enhance the from strength by sacrificing the weight saving. For the image processing, the image from the CMOS camera would provide valuable information such as cracks with the help of the technique called Super-resolution. It is noteworthy that findings from the image processing would be applied for mobile robot inspection.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (1 results)

All 2016

All Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] A Feasibility Study on Crack Identification Utilizing Images Taken from Camera Mounted on a Mobile Robot2016

    • Author(s)
      C.W. Kim, K.C. Chang, Y. Sasaka, Y. Suzuki
    • Organizer
      The 6th Asia-Pacific Workshop on Structural Health Monitoring
    • Place of Presentation
      Tasmania, Australia
    • Year and Date
      2016-12-07
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research

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Published: 2014-04-04   Modified: 2017-05-10  

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