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김대유(Daeyu Kim),이건희(Geonhee Lee),허장욱(Jangwook Hur) 한국기계가공학회 2018 한국기계가공학회지 Vol.17 No.5
Recently in weapon systems development, the importance of reliability has been emphasized due to the increase in complexity and the rapid development of key components and components. Accordingly, the importance of lifespan testing is increased. However, lifespan testing to verify the reliability of a system is costly and takes a lot of time. Therefore in this paper, it was demonstrated that the most critical item of a bladder type accumulator is the bladder. Fatigue life is sensitive to temperature and pressure, with temperature having more impact. The fatigue life of the bladder was estimated to be 18,140 hr through fatigue analysis, which satisfies the required life expectancy of 10,000 hr.
김대유,김정태,Kim, Daeyu,Kim, Jung Tae 한국정보통신학회 2013 한국정보통신학회논문지 Vol.17 No.2
개인정보란 살아있는 개인에 관한 정보로 성명, 주민등록번호 및 영상을 통하여 개인이 알아볼 수 있는 정보를 말한다. 기존의 방법인 하드웨어 필터를 이용한 하드웨어 형태가 아닌 웹 분산형 방식으로 웹 브라우저와 웹 서버 간의 상호 동작 방식으로 개인정보를 점검할 수 있는 방법을 제안하였다. 사용자 단에서 게시판에 작성된 글은 웹 브라우저내의 자바스크립트로 첨부된 문서를 웹 서비스단에서 문서처리기로 개인정보의 누출을 해결할 수 있는 방법을 제안하였다. Personal information is defined information related to users' privacy data. It can be verified information through social security number, image, and means relating to individual can verify. Such personal information is in accordance with the privacy act in law for the collection and usage in enterprises and institutions. However, it can be induced privacy problem when it is exposed information without attention. This user's inadvertent disclosure of personal information has occurred due to social engineering and intelligent cyber-crime occurred in order to solve these problems. A variety of protection solutions for personal information have been developed. Web privacy filtering firewall and solutions related with server have been developed among developed many solutions, web privacy filtering and firewall solutions is proposed in this paper.