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논문 기본 정보

자료유형
학술저널
저자정보
Syed Haider Abbas (Korea Advanced Institute of Science and Technology) Jung-Ryul Lee (Korea Advanced Institute of Science and Technology) Zaeill Kim (Agency for Defense Development)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.17 Number.4
발행연도
2016.12
수록면
467 - 475 (9page)

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초록· 키워드

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Ultrasonic propagation imaging (UPI) has shown great potential for detection of impairments in complex structures and can be used in wide range of non-destructive evaluation and structural health monitoring applications. The software implementation of such algorithms showed a tendency in time-consumption with increment in scan area because the processor shares its resources with a number of programs running at the same time. This issue was addressed by using field programmable gate arrays (FPGA) that is a dedicated processing solution and used for high speed signal processing algorithms. For this purpose, we need an independent and flexible block of logic which can be used with continuously evolvable hardware based on FPGA. In this paper, we developed an FPGA-based ultrasonic propagation imaging system, where FPGA functions for both data acquisition system and real-time ultrasonic signal processing. The developed UPI system using FPGA board provides better cost-effectiveness and resolution than digitizers, and much faster signal processing time than CPU which was tested using basic ultrasonic propagation algorithms such as ultrasonic wave propagation imaging and multi-directional adjacent wave subtraction. Finally, a comparison of results for processing time between a CPU-based UPI system and the novel FPGA-based system were presented to justify the objective of this research.

목차

Abstract
1. Introduction
2. FPGA-Based Real-Time Imaging System
3. Software Implementation
4. Results
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2017-558-002009616