지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.12
- 수록면
- 389 - 397 (9page)
이용수
초록· 키워드
오류제보하기
Recently, wave propagation imaging based on laser scanning-generated elastic waves has been intensively used for nondestructive inspection. However, the proficiency of the conventional software based system reduces when the scan area is large since the processing time increases significantly due to unavoidable processor multitasking, where computing resources are shared with multiple processes. Hence, the field programmable gate array (FPGA) was introduced for a wave propagation imaging method in order to obtain extreme processing time reduction. An FPGA board was used for the design, implementing post-processing ultrasonic wave propagation imaging (UWPI). The results were compared with the conventional system and considerable improvement was observed, with at least 78% (scanning of 100 × 100 ㎟ with 0.5 ㎜ interval) to 87.5% (scanning of 200 × 200 ㎟ with 0.5 ㎜ interval) less processing time, strengthening the claim for the research. This new concept to implement FPGA technology into the UPI system will act as a break-through technology for full-scale automatic inspection.
목차
Abstract
1. Introduction
2. Ultrasonic Wave Propagation Imaging Algorithm
3. FPGA Implementation of UWPI Algorithm
4. Results
5. Conclusion
References
참고문헌 (21)
참고문헌 신청
[학술지(정기간행물)] - B. Kohler / 1996 / Stroboscopic visualization of ultrasonic fields on solids by sampling / NDTnet 1 (8)
[학술지(정기간행물)] - J. A. Scale / 2003 / Laser characterization of ultrasonic wave propagation in random media / Physical Review 67 : 1 ~ 7
[학술지(정기간행물)] - T. E. Michaels / 2006 / Application of acoustic wave field imaging to non-contact ultrasonic inspection of bonded components / Review of Quantitative Nondestructive Evaluation 25 : 1484 ~ 1491
[학술지(정기간행물)] - C. C. Chia / 2012 / Laser ultrasonic anomalous wave propagation imaging method with adjacent wave subtraction application to actual damages in composite wings / Laser and Optics Technology 44 (2) : 428 ~ 440
[학술지(정기간행물)] - J. R. Lee / 2011 / Long distance laser ultrasonic propagation imaging system for damage visualization / Optics and Laser in Engineering 49 (12) : 1361 ~ 1371
[학술지(정기간행물)] - J. A. Scale / 2003 / Laser characterization of ultrasonic wave propagation in random media / Physical Review 67 : 1 ~ 7
[학술지(정기간행물)] - T. E. Michaels / 2006 / Application of acoustic wave field imaging to non-contact ultrasonic inspection of bonded components / Review of Quantitative Nondestructive Evaluation 25 : 1484 ~ 1491
[학술지(정기간행물)] - C. C. Chia / 2012 / Laser ultrasonic anomalous wave propagation imaging method with adjacent wave subtraction application to actual damages in composite wings / Laser and Optics Technology 44 (2) : 428 ~ 440
[학술지(정기간행물)] - J. R. Lee / 2011 / Long distance laser ultrasonic propagation imaging system for damage visualization / Optics and Laser in Engineering 49 (12) : 1361 ~ 1371
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UCI(KEPA) : I410-ECN-0101-2016-530-002308272