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이재훈,김형국,조경연,임동욱,민형복 成均館大學校 科學技術硏究所 1997 論文集 Vol.48 No.2
Since testing of digital circuit is becoming increasingly important, many methodologies have been introduced to enhance design for testability (DFT). DFT was taken into account in the automated test procedure and improved reliability of the design. Both tasks are well suited for scan rule checker. This paper presents a scan rule checker for gate level digital circuits. The scan rule checker deals with basic rule check, basic scan rule check, muxed scan rule check, clocked scan rule check and lssd. Scan design informations were represented in the configuration file and libraries were modeled for the scan rule checker. It is an efficient way for the design for testability methodology.
최재욱,이재훈,민형복 成均館大學校 科學技術硏究所 1999 論文集 Vol.50 No.2
While embedded memories contribute to enhanced process performance, they also complicate testability. The testing of embedded memories is a time consuming exercise, because accessing the memories from off-chip is difficult, if not impossible. Existing Logic Fault Simulators do not simulate embedded memory, but just simulate pin faults. It is believed that the testing of embedded memories are due to Built-in Self-test. In this paper, realistic fault models which can be occurred in real memory are considered first, then functional memory fault simulator for that fault models is implemented. Mathematical fault model is not considered, but realistic fault model is considered and data structure that is called "fault effect" is used for reasonable usage of memory for fault simulation.
한국판 임상가용 아동 및 청소년을 위한 외상후 스트레스장애 척도의 신뢰도 및 타당도 연구
구정일,김태형,은헌정,최말례,이선미,조수진,송옥선,김형욱 大韓神經精神醫學會 2006 신경정신의학 Vol.45 No.6
Objectives : This present study was conducted to explore the reliability and the validity of Clinician Administered PTSD Scale for Children and Adolescents Korean version (CAPS-CA) Mcthods : The Subjects were children and adolescents (8-13yrs) from different places: a certain elementary school, three orphanages, a general hospital, and two neuropsychiathc local clinics. Only subjects who experienced a catastrophic traumatic event were tested by CAPS-CA, CDI, RCMAS, and TSC. Rcsults : The range of correlations between item-criterion were .67-.84. The coefficients of internal consistency were .87. and test-retest reliability was .90, were all the coefficients in the proper range. Inter-correlations of CAPS-CA, CDI, RCMAS, and TSC scale showed significant correlation. TSC showed the highest correlation coefficient. CAPS-CA can be a useful clinician-administered diagnostic instrument for children and adolescents PTSD symptoms. Conclusion : The reliability and the validity of CAPS-CA were confirmed. CAPS-CA could be applied for diagnostic purposes of PTSD in children and adolescents.
Lee, Hyoung Wook,Lee, Geun An,Yoon, Duk Jae,Choi, Seo Gou,Lee, Nak Kyu,Lee, Hye Jin,Bae, Sung Min Trans Tech Publications, Ltd. 2006 Materials science forum Vol.510 No.-
<P>A micro-alloyed non-heat-treated material does not need post heat treatment processes such as quenching and tempering after the forming process in production stages. This material can be called a green material since it can reduce industrial costs and harmful pollutants generated from post heat treatments. In this paper, near-net-shape forming processes were studied in order to make an automotive part using a micro-alloyed material. The cold forging technique using a former was utilized for the main shaping, and the cold incremental forming technique using a cross wedge rolling machine was adopted for the enhancement of strength and the final shaping of the part. In order to get more adequate process, the cross wedge rolling process is compared to the swaging process for the micro-alloyed steel and general carbon steels through experiments.</P>
이욱진(Lee Wook-Jin),이승준(Lee Seung-Jun),이재랑(Lee Jae-rang),이정명(Lee Jung-myung),이주형(Lee Joo-hyoung),박은철(Park Eun-choel),이후연(Lee Hoo-yeon) 한국역학회 2003 Epidemiology and Health Vol.25 No.2
Background: The smoking rate of adult male is 68.2% in Korea and that of adolescent and women has risen recentlyMinistry of Health and Welfare plans to raise the price of cigarettes by 1,000 Won per pack this year in hopes of securing funds to aid the underprivileged and discourage excessive smoking. . In this study, we tried to find the relationship between tobacco price increase and willingness to quit smoking among university students, and the factors associated with willingness to quit smoking. Method: The data were collected by questionnaire survey from 225 university students living in Seoul. The questionnaire contained items on age, sex, smoking history, economical status and the intention to quit smoking when the tobacco price be raised. Result: The proportion of smokers who has the intention to quit smoking if the price of tobacco be raised by 3,000 Won was 46.2%. The factors associated with willingness to quit smoking were age of initiating smoking, opinion for price of cigarette, self efficacy scores, current plans to quit smoking, and viewpoint of changes in the rate of smokers. Conclusion: The results showed that tobacco price rises will increase willingness to quit smoking among university students.
탄소중립을 위한 전기물성 · 응용부문회(C)의 전기산업발전 방향
이방욱(Lee, Bang-Wook),김강식(Kim, Kang-Sik),이세희(LEE, Se-Hee),구선근(Goo, Sun-Geun),배채윤(Bae, Chae-Yoon),이동준(Lee, Dong-Zoon),강형구(Kang, Hyoung-Ku),이찬주(Lee, Chan-Joo),이병성(Lee, Byung-Sung) 대한전기학회 2022 전기의 세계 Vol.71 No.11
대한전기학회 전기물성 · 응용부문회(C)의 탄소중립 TF에서는 탄소중립을 위한 주요 기술로 친환경/고효율 전력기기 분야와 자산관리 분야 기술을 선정하여 기술동향을 조사 · 분석하였다. 본 고에서는 해당 기술의 기술동향을 정리하고 부문회의 전문성에 기반한 핵심기술 개발방안을 제시한다.