아날로그 전자회로와 마이크로프로세서를 함께한 프로젝트 기반학습에 관한 연구

이찬주(Chan-Joo Lee) 융복합지식학회 2021 융복합지식학회논문지 Vol.9 No.3

이 프로젝트는 전자공학과관련 학과의 필수 교과목인 ‘전자회로’에서 PBL을 수행한 결과이며, 제품을 설계하고 제작하는데 주안점을 두었다. 제품을 만들어 보는 경험은 많은 공학교육관련 프로그램에서는 중요한 주제이며, 실제로 경험이 있는 엔지니어를 요구하는 취업시장에서도 큰 경쟁력을 가지고 있다. 본 연구에서는 아날로그 전자회로는 물론 디지털이론, 마이크로프로세서와 C 언어 등 다양한 교과목의 내용을 통합하고, 공학적인 설계능력을 배양하도록 문제를 구성하였다. 팀활동을 강조하였으며 브레인스토밍을 통하여 다양한 아이디어를 제안하고, 개발하고자 하는 장치의 타당성을 검토하였다. 적외선 방출기 및 검출기, 그리고 마이크로프로세서를 이용하여 모터와 디스플레이를 제어하는 하드웨어를 최종적으로 구현하는 것을 목표로 하였다. 강의중심 수업과 비교하여 강의평가의 결과는 매우 우수한 편이었으며, 특히 PBL 만족도의 경우 학생들은 협업(Collaboration)의 항목에 가장 긍정적으로 답변하였다. This project is the result of performing PBL in ‘Electronic Circuit’, a compulsory subject of the Department of Electronic Engineering, and focused on designing and manufacturing products. The experience of making a product is an important topic in many engineering education-related programs, and it has great competitiveness in the job market that requires engineers with practical experience. In this study, the contents of various subjects such as digital theory, microprocessor and C language as well as analog electronic circuits were integrated. The problem was structured to cultivate engineering design ability. Team activity was emphasized, various ideas were proposed through brainstorming, and the feasibility of the device to be developed was reviewed. The ultimate goal was to implement a hardware including an infrared emitter and detector, and a microprocessor to control the motor and LCD display. Compared to lecture-oriented classes, the results of class assessment were very good. In particular, in the case of PBL satisfaction survey, students answered the keyword of Collaboration most positively.

냉,온풍유닛의 밸브제어 형상에 따른 유동 양상 최적화 설계 방안 연구

이찬주(Chan-joo LEE),이유진(Yu-jin LEE),임경민(Kyung-min LIM),정보영(Bo-young JUNG) 대한기계학회 2023 대한기계학회 춘추학술대회 Vol.2023 No.3

ANSYS CFX 모형을 이용한 Vortex Tube 유동 특성에 관한 연구

이찬주(Chan-joo LEE),구명섭(Myung-sub KU),정보영(Bo-young JUNG) 대한기계학회 2023 대한기계학회 춘추학술대회 Vol.2023 No.3

고정식 노즐 배치를 가진 대형 강우모사장치의 강우 분포 특성 분석

이찬주(Lee, Chan-Joo),김종필(Kim, Jong Pil),이진원(Lee, Jin-Won),김원(Kim, Won) 한국산학기술학회 2015 한국산학기술학회논문지 Vol.16 No.12

본 논문에서는 고정식 노즐 배치를 가진 대형 강우모사장치(KICT-ERS)와 이를 이용한 강우 분포 실험결과를 분석하 였다. 강우 분사에 영향을 미치는 노즐 유량 실험 결과 실내 장치를 이용한 표준오차의 백분율은 0.15~0.38%였으며, KICT-ERS에 장착한 오차는 0.37~0.59%로 나타났다. 노즐의 분사 범위를 검토하기 위한 방사형과 삼각형 실험을 실시하였 다. 방사형 실험에서 1개 노즐 분사시 균일계수가 0.348~0.657이었으나 주변 노즐을 포함할 경우 균일계수가 0.854~0.895 로 높아져서 노즐 분사의 중첩에 의한 강우강도 증가 및 균일도 제고가 확인되었다. 삼각형 실험 결과의 균일계수는 0.845~ 0.896으로 나타났다. KICT-ERS 전체 범위에 대한 실험 결과 1.5φ 노즐의 1개 실험 케이스를 제외하면 모든 조건에서 균일계 수는 0.7을 넘었으며, 균일계수는 강우강도가 증가함에 따라 높아지는 특성을 보였다. 기존 연구와의 비교 결과 KICT-ERS는 대체로 평균 이상의 균일계수를 제공하는 것으로 나타났다. This study provides results from the experiment on the rainfall distribution using a large Experimental rainfall simulator with fixed nozzle arrangement. Results from the experiment on the nozzles which are crucial for rainfall simulation show standard errors expressed as percentage are 0.15~0.38% at the indoor flow testing apparatus and 0.37~0.59% at the KICT-ERS. To examine spraying range of the nozzles, radial and triangular rainfall measurement test are done. In the radial test, coefficient of uniformity (CU) lies in 0.348~0.657 in the single nozzle spraying case, while it increases up to 0.854~0.895 in the seven nozzle spraying case. This means increase of both rain rate and uniformity by means of superimposition of spraying. The CU of the triangular test falls to 0.845~0.896. The results from the experiment on the whole-scale of the KICT-ERS show that CU exceeds 0.7 for every case except the one experimental condition where a 1.5φ nozzle is used. The CU tends to increase with increasing rainfall intensity. Comparison with the previous studies shows that KICT-ERS provides rainfall distribution above average CU.

ADCP 정지측정법을 이용한 유량 측정

이찬주(Lee Chan Joo),김원(Kim Won),김치영(Kim Chi Young),김동구(Kim Dong Gu) 대한토목학회 2007 대한토목학회 학술대회 Vol.2007 No.10

한국인 가족성 고콜레스테롤혈증 진료에 대한 2022년 합의안

이찬주 ( Chan Joo Lee ),윤민재 ( Minjae Yoon ),강현재 ( Hyun-jae Kang ),김병진 ( Byung Jin Kim ),최성희 ( Sung Hee Choi ),정인경 ( In-kyung Jeong ),이상학 ( Sang-hak Lee ) 대한내과학회 2022 대한내과학회지 Vol.97 No.6

Familial hypercholesterolemia (FH) is the most common monogenic disorder. Due to the marked elevation of cardiovascular risk, the early detection, diagnosis, and proper management of this disorder are critical. Herein, the 2022 Korean guidance on this disease is presented. Clinical features include severely elevated low-density lipoprotein cholesterol (LDL-C) levels, tendon xanthomas, and premature coronary artery disease. Clinical diagnostic criteria include clinical findings, family history, or pathogenic mutations in the LDLR, APOB, or PCSK9. Proper suspicion of individuals with typical characteristics is essential for screening. Cascade screening is known to be the most efficient diagnostic approach. Early initiation of lipid-lowering therapy and the control of other risk factors are important. The first-line pharmacological treatment is statins, followed by ezetimibe, and PCSK9 inhibitors as required. The ideal treatment targets are 50% reduction and < 70 or < 55 mg/dL (in the presence of vascular disease) of LDL-C, although less strict targets are frequently used. Homozygous FH is characterized by untreated LDL-C > 500 mg/dL, xanthoma since childhood, and family history. In children, the diagnosis is made with criteria, including items largely similar to those of adults. In women, lipid-lowering agents need to be discontinued before conception. (Korean J Med 2022;97:339-352)

국소적 도포법을 이용한 Hair-follicle specific promoter를 가진 HPV-16 E7 DNA vaccine의 효용성

김찬주 ( Chan Joo Kim ),김태우 ( Tae Woo Kim ),노경희 ( Kyung Hee Noh ),이근호 ( Keun Ho Lee ),이해남 ( Hae Nam Lee ),이용석 ( Yong Seok Lee ),박태철 ( Tae Chul Park ),남궁성은 ( Sung Eun Namkoong ),박종섭 ( Jong Sup Park ) 대한산부인과학회 2007 Obstetrics & Gynecology Science Vol.50 No.3

목적: 경피적 면역법 (TCI; Transcutaneous Immunization)이란, 피부 표면에 직접 백신을 도포하는 방법으로, 단백질이나, peptide백신의 경우 adjuvant와 함께 투여하여 세포 면역과 액상 면역반응을 효과적으로 유도함이 보고되어 있다. 경피적 면역을 통한 효과적인 HPV E7 DNA vaccine 개발을 위하여, HPV-16 E7 opt+K 부분과 Hair-follicle 특이성 pK6hf-promoter를 융합한 DNA가 다양한 면역 증강제와 함께 투여되어 효과적인 면역반응을 유도할 수 있는지 알아보고자 한다. 연구 방법: 먼저 HPV-16 E7 opt+K 부분과 Hair-follicle 특이성 pK6hf-promoter를 융합하였다. 다음단계로 C57/BL6 쥐의 피부에 pK6hf-E7 +K DNA와 면역 증강제로 cholera toxin (CT), CpG oligodeoxy nucleotide (ODN)을 사용하여 경피적 면역을 시행한 후 세포독성 T 임파구 (CTL; Cytotoxic T lymphocyte) 반응을 E7-specific IFN-gamma- secreting CD8+ T cells의 수를 intracellular cytokine staining 후 flow cytometric analysis하였다. 결과: 경피적 면역법으로 pK6hf-E7 opt+K DNA 만 투여한 경우와, DNA와 LipofectAMINE 2000을 투여한 군보다 pK6hf-E7 opt+K DNA, Lipofectamine2000, CT을 투여한 군이 더 높은 E7-specific CD8+ T cells의 수를 보였다. 결론: 위의 실험에서 E7 opt+K DNA를 pK6hf와 연결시킨 DNA와 CT을 adjuvant로 이용한 경피적 면역법이 항원 특이성 CTL유도를 할 수 있음을 밝혀내었다. 또한 이러한 결과는 pK6hf promoter를 가진 HPV-16 E7 DNA 백신을 경피적 면역법에서의 가능한 방법임일 제시하고 있다. Objective: Previous reports have shown that transcutaneous immunization (TCI) with proteins or peptides in combination with adjuvants efficiently induces specific cellular and humoral immune responses. We compared the immune response after TCI with new construct which was derived from HPV-16 E7opt+K and pK6hf promoter instead of pCMV promoter and various adjuvant. Methods: First, we made new construct ligated with HPV-16 E7 opt+K to Hair-follicle Specific pK6hf Promoter. Second, we applied pk6hf-E7 opt+K DNA with or without Lipofectamine 2000 and a combination of cholera toxin (CT) and CpG oligodeoxynucleotide (CpG) onto cold wax-depilated and hydrated bare skin of C57 BL/6 mice. To assess the ability of CTL(cytotoxic T-lymphocyte) activity, we performed intracellular cytokine staining with flow cytometric analysis to determine the number of E7-specific IFN-gamma- secreting CD8+ T cells generated in vaccinated mice with the DNA vaccine. Results: Female C57BL/6 mice immunized by TCI methods with 30 microgram of pk6hf-E7 opt+K DNA with Lipofectamine2000 and CT efficiently generated E7-specific CD8(+) T cells compared with the group of pk6hf-E7 opt+K DNA only or DNA with Lipofectamine2000. Conclusion: Our results demonstrate that TCI of the linkaged-E7 DNA , E7 opt+K DNA to pk6hf, and Lipofectamine2000 and CT induced an antigen-specific CTL response. This result is of potential relevance for the development of therapeutic HPV-specific DNA vaccines with TCI and pK6hf promoter can be used safely.

사립학교법 개정 논의의 주요쟁점과 과제

박찬주 ( Chan Joo Park ) 대한교육법학회 2009 敎育 法學 硏究 Vol.21 No.2

본 연구는 사립학교법 개정 논의의 주요 쟁점에 해당되는 핵심적인 내용을 교육의 자주성과 공공성을 바탕으로 분석하고 논의하려 사도되었다. 이를 위해 문헌분석적 접근을 주요 연구방법으로 하여 사학의 특성으로서 특수성, 자주성, 공공성 등을 고찰하고, 현행 사립학교법의 핵심적인 내용 개정 당시 찬성·반대 논리와 시각을 정리한 후, 최근의 재개정 요구 추세를 분석하고 주요쟁점에 관해 논의하고 있다. 특히 사학의 투명성과 공공성 확보 차원에서 도입된 개방이사제도가 논쟁의 핵심에 자리 잡고 있다. 현행 사립학교법 시행에 따른 지속적인 갈등을 원만히 해결하기 위해서는 공교육의 질 개선에 관심을 두고 교육의 공공성과 자율성이 조화를 이루는 접점을 찾아야 할 것이며, 사학 육성·지원의 시각에서 사학관련법규 체제의 정비도 뒤따라야 한다. The purpose of this study is to consider over the main issues implied in the private school law, with relating to the autonomy and the publicity of education. by examining some research papers and representative reported materials on the law. For achieving this purpose the autonomy and publicity of private school were studied at first, and the main standpoints for and against the law were examined. The main result and findings of this study can be summarized as follows. 1) The independent director system of the board of directors for obtaining the clarifying and publicity of the private school locates on the heart of the main issues implied in the revised private school law. 2) The reinforcement of the publicity of education leads to the weakened autonomy of private school. 3) It should be the desirable direction that the publicity harmonizes with the autonomy to seek for the point of contact by concerning with raising the quality of public education. 4) The conception of the publicity and of the autonomy should be recognized as a good match in education from the standpoint of interacting mutually. 5) In the viewpoint of supporting private schools, further examinations on the systematic structure of the law and regulations related to the private school should be required.

발레작품에 나타난 여성의 이미지에 관한 연구

이찬주(Lee Chan-Joo) 한국체육철학회 1998 움직임의철학 : 한국체육철학회지 Vol.6 No.2

Emphasis on the difference of sex role brought a new angle of sight to dance by putting dance into social description. On the one hand, the sentimental atmosphere of the times came to manifest itself in the form of dance art. Dance art has penetrated into our life, restricted our behavior and entrapped our selves into the ideological frame. In dance art, feminism has exerted a great influence on human liberation. This can be found when an understanding of the public at large about it shown in dance art is seen. The transformation of a woman image in the history of ballet theater art is not so strange. 「Giselle」 deals with human impulse, psychological and social obsession and constraints. 「Jardin aux Lilas」 acknowledges not only the expectation that marriage becomes the destiny of most women but the fact that the marriage system lays the foundation for power and wealth. When $lt;Rodeo$gt; is looked into, man and woman construct the bipolar image and in its material and theme the fixed value-view of society finds expression. And it presents the situation of those striving to find out their social role. In fact, it is seen that dance has been involved in the worries and agonies that have gradually increased in Europe and the U.S. in relation to the marriage associated with the fate of woman especially at least since the French Revolution. Ballet and post-modern dance are not only dancers` community but the respectable world, and those women s choice of marriage in dance has been an on-going theme and concern. They repeatedly show the channel of marriage whether women may be the non-protagonist of the social system (Giselle), be influenced by the custom of society though they choose marriage themselves (Rodeo) or be the pioneering ones of the love marriage. When past arts and literature are investigated, it can be found that dance has been involved in the cultural conversation surrounding marriage and will continue to be in the future. The image of woman does not only have an influence in describing the state of her body itself but also moves toward the themes on sex and the dominant social principle of mating through the marriage system. Arlette Farge, a French feminist, discusses the stereotyping of both what she calls a unfortunate interpretation and what she call a blissful interpretation of woman s role presented in history. This study agrees with her argument. If an attempt is made to take a careful look into the dance work itself without thinking whether the image of woman is negative or positive, the image of woman in the dance work allows us to find out a new image of woman above all. This is an opportunity to be able to combine the negative aspect and the positive aspect, opens the way for both of them to have the possibility of a little intricate presentation for a critical function to be served, and make us attentive to enhancing the social value related to the image of woman and have the eye for being able to guide it towards a new context. Focused on guiding us to be awakened to a truly new fact, this study was intended to break down the fixed idea of man and woman and to change the true picture of actualities in addition. She leaves room for diverse interpretations by carefully ruminating the man-woman relationship in history under the basic proposition that man and woman are equal, unlike the aggressive feminism that clamors for the enhancement of woman s rights and benefits. She criticizes the fact that history has accumulated the image of woman that woman is man`s helper and the agent for reproducing the servant of the mankind as well. Influenced by feminism, woman tends to proceed to engraft feminism into dance and her own life in a clear-cut manner. It is important that woman should not forget the perspective of looking at life from her subjective position and demonstrate the interrelationship between society and dance in which sex is not discriminated. The image of the dance work may be feminized in a

언론 프레임의 온라인 문화적 공명이 여론 틀 짓기에 미치는 영향 관계

이찬주(Chan Joo Lee),임종섭(Jeongsub Lim) 한국언론학회 2018 한국언론학보 Vol.62 No.4