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논문 기본 정보

자료유형
학술대회자료
저자정보
Pratik Shrestha (Korea Advanced Institute of Science and Technology) Jin-Hyuk Kim (Korea Advanced Institute of Science and Technology) Yurim Park (Korea Advanced Institute of Science and Technology) Chun-Gon Kim (Korea Advanced Institute of Science and Technology)
저널정보
한국항공우주학회 한국항공우주학회 학술발표회 초록집 한국항공우주학회 2014년도 춘계학술대회
발행연도
2014.4
수록면
297 - 300 (4page)

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이 논문의 연구 히스토리 (3)

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Composite materials are widely being used as an alternative to conventional materials for their superior material properties. However, these material have damage mechanism significantly differing from the conventional materials, which makes it considerably challenging to inspect for damages though traditional structural maintenance approach. Low velocity impacts on composite materials can cause barely visible impact damages, hence continuous structural health monitoring (SHM) of the composite structure is needed to identify such impacts. Therefore, in this paper impact localization on composite plate is investigated using fiber Bragg grating (FBG) sensors. A high speed FBG interrogator is used to sample the impact signals at 100 kHz and reference database impact localization algorithm is used to localize the impact point. Moreover, through the present study it is demonstrated that using FBG sensors can effectively localize the impact location on the composite specimen with maximum localization error limited to within 28 mm of the actual impact location.

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ABSTRACT
1. Introduction
2. Principle
3. Composite Plate Impact Localization
4. Conclusion
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UCI(KEPA) : I410-ECN-0101-2016-558-000998194