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논문 기본 정보

자료유형
학술저널
저자정보
허광희 (Konyang University) 전준용 (Konyang University) 전승곤 (Chungnam National University)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제25권 제11호
발행연도
2015.11
수록면
787 - 797 (11page)

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이 논문의 연구 히스토리 (2)

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In this paper, a cochlea-inspired artificial filter bank(CAFB) was developed in order to efficiently acquire dynamic response of structure, and it was also evaluated via dynamic response experiments. To sort out signals containing significant modal information from all the dynamic responses of structure, it was made to adopt a band-pass filter optimizing algorithm(BOA) and a peak-picking algorithm (PPA). Optimally designed on the basis of El-centro and Kobe earthquake signals, it was then embedded into the wireless multi-measurement system(WiMMS). In order to evaluate the performance of the developed CAFB, a vibration test was conducted using the El-centro and Kobe earthquake signals, and structural responses of a two-span bridge were obtained and analyzed simultaneously by both a wired measurement system and a CAFB-based WiMMS. The test results showed that the compressed dynamic responses acquired by the CAFB-based WiMMS matched with those of the wired system, and they included significant modal information of the two-span bridge. Therefore this study showed that the developed CAFB could be used as a new, economic, and efficient measurement device for wireless sensor networks(WSNs) based real time structural health monitoring because it could reconstruct the whole dynamic response using the compressed dynamic response with significant modal information.

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ABSTRACT
1. 서론
2. 달팽이관 원리기반 인공필터뱅크
3. CAFB 설계 및 무선 계측시스템
4. 2-SPAN 모형교량 및 동적응답 실험
5. AFB 응답성능 평가
6. 결론
References

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UCI(KEPA) : I410-ECN-0101-2016-539-002024723