• Proceedings of the Korean Nuclear Society Conference
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• 1995.05a
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• pp.995-1000
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• 1995

ASME B&PV Code Section III NB-3200의 규정은 원자로 관련 1등급 부품의 설계시 지켜야할 사항이다. 이 규정은 운전조건별로 허용응력에 대한 분류를 하여 허용한도를 규정하고 있다. 따라서 응력해석시 이 규정을 적용하기 위해 해석결과의 검색, 추출정리, 추가계산 등 응력해석 후속작업을 위한 통합 program을 awk 언어를 사용하여 개발하였다. 이 통합 Program은 ASME에 규정된 응력별로 여러 개의 awk program module로 작성하였고 각각의 모듈을 통합하는 UNIX script file로 구성되어있다. 각각의 모듈은 독립된 batch 작업이 가능하고, 이것을 모두 연계한 batch 작업 역시 가능하도록 하였다. 문서작성시 도표작성을 용이하게 하기 위해 후처리결과가 하나의 디렉토리에 저장되도록 하였다.

• KIPS Transactions on Software and Data Engineering
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• v.9 no.8
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• pp.229-234
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• 2020

This paper presents the design and the implementation of CRESTIVE-DX, a concolic testing tool that distribute the concolic testing process over the embedded target system and the host system for efficient test generation of a target embedded program. CRESTIVE-DX conducts the execution of a target program on the target embedded system to consider possible machine-dependent behaviors of a target program execution, and conducts machine-independent parts, such as search-strategy heuristics, constraint solving, on host systems with high-speed computation unit, and coordinates their concurrent executions. CRESTIVE-DX is implemented by extending an existing concolic testing tool for C programs CREST. We conducted experiments with a test bed that consists of an embedded target system in the Arm Cortex A54 architecture and host systems in the x86-64 architecture. The results of experiments with Unix utility programs Grep, Busybox Awk, and Busybox Ed show that test input generation of CRESTIVE-DX is 1.59 to 2.64 times faster than that of CREST.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2002.11a
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• pp.182-186
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• 2002

According to the increasing of mobile phone users, its service also has been increasing to satisfy their needs. Now wireless service providers have been investing a lot of man-power and efforts on the quality of service. So I developed 'worst cells program' which help to maintain the systems effectively by analyzing and administrating them. It has made for performance analyzing which can predict system damages and handle it in advance by measuring and administrating 'establishment rate' and 'dropped call rate'of cells. It'll help system providers(vendors) and service providers to enhance their impression and reliability to their customers.