精密小型加振機と無線センサネットワークを結合した周波数応答関数計測手法の基礎的検討

• 日高 ちはる

  東京理科大学　理工学研究科　土木工学専攻

• 斎藤 拓馬

  東京理科大学　理工学研究科　土木工学専攻

• 渡邉 和樹

  東京理科大学　理工学研究科　土木工学専攻

• 佐伯 昌之

  東京理科大学　理工学部　土木工学科

書誌事項

タイトル別名

• Basic Study on Measurement Method of Frequency Response Function Using Artificial Vibrator and Wireless Sensor Network

抄録

A structural sensing method using artificial vibrator and wireless sensor network is presented. In this method, the artificial vibrator excites very accurate harmonic vibrations to a target structure and accelerometers deployed on the structure observe the response. The observed acceleration data is collected to a central sever machine through wireless sensor network. Since the artificial vibrator is able to excite very accurate harmonic vibration and sensor nodes are time synchronized to the artificial vibrator, heavy stacking can be applied to the observed data on the sensor nodes. Besides, the response of excited vibration can be accurately estimated by means of discrete Fourier transform due to the time synchronization. These processes successfully compress the amount of data without collapsing the important information of the data that is the amplitude and phase of excited vibration. In this paper, development of the prototype system and the implementation of time synchronization between the artificial vibration source and wireless sensor node are described.

収録刊行物

• 土木学会論文集Ａ２（応用力学）

  土木学会論文集Ａ２（応用力学） 67 (2), I_875-I_883, 2011

  公益社団法人 土木学会

キーワード

• artificial vibrator
• wireless sensor network
• time synchronization

詳細情報

• CRID: 1390001205351154816
• NII論文ID: 130004557234
• DOI: 10.2208/jscejam.67.i_875
• ISSN: 21854661
• 本文言語コード: ja
• データソース種別:
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  • Crossref
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可