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LSI패턴 데이타 고속처리용 양방향 스위칭 네트워크 설계
김성진,서희돈,Kim, Seong-Jin,Seo, Hui-Don 한국정보처리학회 1994 정보처리논문지 Vol.1 No.1
본 논문은 LSI의 물리적 레이아웃 설계시 다량의 패턴 데이타를 고속으로 처리할 수 있는 새로운 2차원 병렬처리 방법을 제안한고 메모리와 프로세서간에 데이타를 양방향으로 고속 전송 하는 스위칭 네트워크를 설계하였다.이스위칭 네트워크를 VHDL 설계 시스템을 이용하여 시뮬레이션하여 그 동작을 확인하였다. This paper proposes the method to process many pattern data 2-dimensionally at high speed in designing the physical of LSI. And this study shows that the switching network,which transmits pattern data between memory and processing elements at high speed on bidirection,has been designed using the barrel shifter and simulated with VHDL design system.
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PC 사용 환경의 2.5 인치 하드디스크의 가속 수명 시험
조의현(Euy-Hyun Cho),박정규(Jeong-kyu Park),서희돈(Hui-Don Seo) 한국디지털콘텐츠학회 2014 한국디지털콘텐츠학회논문지 Vol.15 No.1
In order to estimate the life of 2,5 inch HDD which is adopted by PC environment, make the test plan which reflect the failure mode of market, make the test model of accelerated life test which reflect the stress of temperature. after an analysis of the environment of PC using, test procedure was decided that operation was write 50 % and read 50 %, and then access method was sequential 50 % and random 50%. The acceleration life test was executed on condition that temperature was 50°C and 60°C, performance was 95 % in max performance, test time was 1000 hours. by the test of goodness of fit of anderson-darling of the failure data during test, it was confirmed that the distribution of failure fellow weibull. test for shape and scale was equal, and shape parameter was 0.7177, characteristic life was 429434 hours at normal user condition(30 °C) by the analysis of weibull-arrhenius modeling. It made no difference about the statistics when equality test was executed. The activation energy was 0.2775eV. In analyzing between the failure samples of acceleration test and the samples of market return even though there is detail difference about the share of failure mode, the rank of share was almost same. This study suggest the test procedure of acceleration test of 2.5 inch HDD in PC using environment, and help the life estimation at manufacture and user
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