Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)

  • 2000.06a
  • /
  • Pages.1303-1310
  • /
  • 2000
  • /
  • 1598-2548(pISSN)
The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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3 Dimensional Vibration Measurement of Structures Using GPS Carrier Phase

GPS 반송파를 이용한 구조물의 3차원 진동측정

  • 서대완 (건국대학교 항공우주공학과) ;
  • 이영재 (건국대학교 항공우주공학과) ;
  • 박훈철 (건국대학교 항공우주공학과) ;
  • 윤광준 (건국대학교 항공우주공학과) ;
  • 지규인 (건국대학교 전자공학과) ;
  • 박찬국 (광운대학교 제어계측공학과)
  • Published : 2000.06.22
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Abstract

GPS carrier phase is supposed to provide the tool for the most precise 3 dimensional positioning information. The FAST, an OTF technique, has been developed by the GPS System Laboratory of Konkuk University, and has been shown several millimeter level accuracy in root-mean-square sense. This OTF's high precision positioning capability provides an adequate tool of low frequency vibration monitoring of large structures. In this paper, the possibility of vibration measurement of a cantilever beam using FAST has been tested, which is supposed to be extended to more practical applications. The results of the experiment have been compared with those by a strain gage and laser sensor.

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