Temperature Compensation Technique for Steel Sleeve Packaged FBG Strain Sensor and Its Application in Structural Monitoring

Temperature Compensation Technique for Steel Sleeve Packaged FBG Strain Sensor and Its Application in Structural Monitoring

초록

피복이없는 FBG 센서는내구성이매우약하기때문에 FBG 센서주위의피복이없이는, 많은변수가존재하는실제자연환경에서의정확한데이터수집이어렵다. Steel sleeve packaged FBG 변형률센서는토목공학에서널리사용되고있는센서중하나이다. 변형률과온도가동시에측정되는 FBG 센서의도입이후로, 변형률과온도의정확한보정은필수적인과정이되었다. 이논문에서는 FBG의변형률과온도의측정원리에기초하여 steel sleeve packaged FBG 센서의온도보정기술을도출하였다. 그리고두개의 FBG 센서를이용한콘크리트초기재령의건조수축실험을통해온도보정의실행가능성을확인하였다.

키워드

Steel sleeve packaged FBG strain sensor; sensing mechanism; temperature compensation; structural monitoring; Steel sleeve packaged FBG 변형률 센서; 감응원리; 온도보정; 구조물 모니터링; Steel sleeve packaged FBG strain sensor; sensing mechanism; temperature compensation; structural monitoring
제목
Temperature Compensation Technique for Steel Sleeve Packaged FBG Strain Sensor and Its Application in Structural Monitoring
제목 (타언어)
Temperature Compensation Technique for Steel Sleeve Packaged FBG Strain Sensor and Its Application in Structural Monitoring
저자
운영위; 장일영
발행일
2008
저널명
한국방재학회논문집
권
08
호
06
페이지
1 ~ 5