成果報告書詳細
管理番号20160000000479
タイトル*平成27年度中間年報 SIP(戦略的イノベーション創造プログラム)/インフラ維持管理・更新・マネジメント技術 維持管理ロボット・災害対応ロボットの開発 近接目視・打音検査等を用いた飛行ロボットによる点検システムの研究開発
公開日2016/7/28
報告書年度2015 - 2015
委託先名新日本非破壊検査株式会社
プロジェクト番号P14031
部署名ロボット・AI部
和文要約
英文要約 Title:Development of an inspection system using a flying robot with cameras and hammering test devices(FY2014-FY2016)FY2015Annual Report
 
 In the infrastructures such as a bridge or a tunnel, there are many locations where persons cannot approach and check easily. To address the problem, we will develop a flying robot system with a contact type inspection tool. Using the robot system, we can check locations where human beings cannot get to near easily.
 In this year, the following four parts were carried out.
 1) Development of moving mechanism
 The developed robot has the driving wheels on the top of multicopter. Therefore, the developed robot can fly and move on wall surface.
 In this year, a power supply unit with wired system and an inspection mechanism were mounted on the developed robot. In addition, the lifting power performance of the multicopter was improved. Moreover, a new mechanism was also developed to maintain good contact force in the situation of moving on wall.
 2) Development of inspection system
 To effectively perform close visual inspection and hammering test, a lightweight inspection mechanism was mounted on the developed robot. Analyzing the data obtained from the inspection mechanism, we developed an analytical method to detect internal cavities, and confirmed the usefulness of the method. An inspection method was also considered to detect crazing caused by rebar corrosion in RC structures.
 3) Development of a special inspection system
 We considered magnetic force of the magnet used in the EMAT (Electromagnetic Acoustic Transducer) sensor. In addition, we manufactured a small sensor device that could be mounted on the developed robot.
 4) On-the-spot inspections / over-all judgement
 In this year, verification experiments for the actual structure were carried out at the filed offered by Kitakyushu city. We also participated “nsite Verification” carried out by Ministry of Land, Infrastructure, Transport and Tourism . From the results of verification experiments, we confirmed fundamental performance of the developed robot such as usefulness of the inspection mechanism , inspection operations.
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