열화상 기반 태양광 패널 검사를 위한 데이터셋 구축 방법

김대용(Dae Yong Kim),김민석(Min Seok Kim),이진호(Jin Ho Lee),정순기(Soon Ki Jung) 한국통신학회 2023 한국통신학회 학술대회논문집 Vol.2023 No.6

하수슬러지 및 음식물류 폐기물의 혐기성소화 시 염화철 투입에 의한 Biogas 발생량 변화 및 안정화에 관한 연구

김대용 ( Dae-yong Kim ),김종모 ( Jong-mo Kim ),김정권 ( Jung-kwon Kim ) 한국환경기술학회 2012 한국환경기술학회지 Vol.13 No.3

The purposes of the present research are to suggest a stable and efficient treatment method for food waste in the anaerobic digester and to find good operating conditions for producing good-quality biogas by additionally injecting FeCl₂, sewage sludge inside the dry single-phase anaerobic digester. As a result of operating the anaerobic digester of food waste by using a reactor with the effective capacity of 10L, the higher biogas generation ratio appeared in conditions of adding sewage sludge than the anaerobic digester using food waste. Also, the methane generation ratio was the higher methane production can be expected. when adding the sewage sludge than that was mixed and putted into than input of food waste. It was appeared that as the concentration of H₂S was maintained in less than 300 ppm at a reactor excluding conditions of RN1 A that FeCl₂ was not put into, it inhibited toxic effects of anaerobic digestion of H₂S. The case of NH₄-N was shown that the anaerobic digestion efficiency increases as a result of putting sewage sludge into. Also, it showed the stable VFA and pH control effect by combining treatment of additives. As a result, the better the anaerobic digestion efficiency gets, the biogas generation, methane concentration and pH of digestion sludge increased, but the concentrations of VFA and NH₄-N were reduced. Accordingly, it was determined that if the sewage sludge was added in rather than single treatment of only food waste, it will bring better stabilization of the digester and increase high-concentration biogas generation amount.

이중 평면 거울을 사용한 실시간 거리 측정 시스템

김대용 ( Dae-yong Kim ),김병진 ( Byoung-jin Kim ),고광식 ( Kwang-sik Kim ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.2

본 논문은 한 장의 이미지로 카메라와 물체 사이의 거리를 실시간으로 구하는 방법을 제안한다. 일정한 거리 차이를 가지는 이중 평면 거울을 물체와 카메라 사이에 45도 각도로 위치 시킨 후 이미지를 얻게 되면 동일한 물체에 대해서 일정한 거리 차이가 나는 두 장의 이미지를 얻게 되는 효과를 가진다. 이 정보의 차이를 삼각측량법에 적용시키면 거울과 물체 사이의 거리를 측정할 수 있게 된다. 한장의 이미지로 거리를 측정 할 수 있기 때문에 이를 실시간 처리가 가능한 하드웨어로 구현 하였다.

도덕 교과서에 나타난 전통 윤리 재논의

김대용 ( Dae Yong Kim ) 한국교육사학회 2015 한국교육사학 Vol.37 No.4

This study tried to analyse and review traditional ethics in high school moral textbooks based on 2009 Revised Curriculum. Its position in new curriculum was weaken slightly in comparison with the 7th curriculum which emphasized them. The ideas that traditional ethical thoughts were good, western ethical thoughts were bad in old curriculum were reduced to a considerable degree in new curriculum. But traditional ethics were still significant alternative to resolve moral problems in modern society. The new moral curriculum suggested ideas that family ethics based on confucianism, especially Confucian Filial Piety(孝) can settle family in crisis and solve the problem of the aged in aging society. Furthermore, it went as far as to insist the idea that confucian Min-bon(民本) thought was the basis of modern democracy. These ideas were not appeared in old curriculum. This viewpoint on traditional ethics got more worse in new curriculum. Its insistence that tradition ethics can solve modern various moral problems was very ambiguous and superficial. The moral problems and ethical thoughts were directly connected to social structure in terms of where they were at the moment. Confucian family ethics and Min-bon thought are very difficult to be harmonized with modern democratic society that highly regarded freedom and equality above everything else because these ideas premised a rigid caste system. If we want to teach continually traditional ethical thoughts in the future. we should have to change the viewpoint on them. We should throw away the viewpoint that traditional ethical thoughts are still significant in modern society, while merely picking its several plausible elements to solve moral problems. First of all, we should objectify traditional ethical thoughts and find the reason why they may be still important in modern Korean society. This process to conduct study whether they can be still effective in modern society or not is not easy, and it may fail to discover its efficiency. In spite of difficulty, we cannot help continuing this research to objectify them.

보수 언론의 교육 관련 보도에 나타난 이념적 편향성

김대용 ( Dae Yong Kim ) 한국교육사학회 2014 한국교육사학 Vol.36 No.1

The ideological discourse disappeared globally because of the victory of capitalism in the ideological battles of the Cold War. But ideology, especially pro-North or North Korean sympathizer dispute is still a pending issue in Korean society. The ideological discourse was an invention of Lee Myung-bak government and conservative newspapers. They usually criticized their opponents. for pro-North or North Korean sympathizer. Their ideological polarization were easily seen in the field of education. I researched into the ideological prejudices in the education-related news article of the conservative newspapers. I analyzed the education-related editorial of Chosun-ilbo during Lee Myung-bak government. Chosun-ilbo emphasized that education is not the means of politics and it maintains political neutrality. But education was subjected to politics by Chosun-ilbo as we saw in educational issues such as history textbook revision; broad criticism on the Korean Teachers and Educational Workers` Union; positive intervention of election of superintendent of education. It is not strange that the newspapers have their political opinions in reporting the news. The serious social issue is that social communication has disappeared in Korean society because the conservative newspapers have strongly denied their opponents and they have compelled the ideological polarization in all social aspects including education.

방정환의 소년운동 연구 -천도교 신파를 중심으로-

김대용 ( Dae Yong Kim ) 한국교육사학회 2011 한국교육사학 Vol.33 No.2

Bang Jeonghwan devoted his life to ``juvenile movement`` and is well known as the person who widely spreaded the term of children(어린이) in Korean society. This study examines the nature of his juvenile movement. Taking notice that Bang was the key figure of the New Faction of Cheondogyo, I analyzed the characteristics of juvenile movement patticularly in connection with the movement and thoughts of the New Faction of Cheondogyo. Though Cheondogyo was divided into three factions in 1920s, the New Faction had authority. After the March First Independence Movement, Cheondogyo got heavily involved in real life problems and Cheondogyo Young Men`s Associaton and the Youth Party of Cheondogyo played the role of avant-garde organizations. Cheondogyo seemed to feel ambivalent toward Japanese colonial rule of Korea. On one hand, it was very critical of the rule. On the other hand, it acknowledged the rule because it realized that Korean independence could not be accomplished only by the power of Korean people and it would take some time for preparing for the independence. This ambivalence led Cheondogyo to pushing ahead with self-government instead of independence. Bang himself did not think that independence was imminent. Believing this, he made a decision to educate the boys well who would be the future Korean workforce, with the support of Cheondogyo. He focused on art education which popularized fairy tales, children`s songs and paintings. He praised children`s innocence, eternal nature of childhood, etc. but this was a far cry from the real life at that time. The ``children`` he recognized were nothing but ideological and abstract subjects. In actuality, what can be mostly seen in Bang`s works are poor and pitiful children. Bang also suggested a slogan of making ``good persons``. However, Bang`s good person here is just a decent social being. When we realize that good person is the major subject of ``ethics`` textbook in Japan at that time, Bang`s juvenile movement seemed to be in some danger of being integrated into colonization logic.

『개벽』의 교육론 연구

김대용 ( Dae Yong Kim ) 한국교육사학회 2012 한국교육사학 Vol.34 No.4

I analyzed the educational ideas in Gaebyuk. Gaebyuk as a monthly general magazine was launched by Cheondogyo young men`s association, and it leaded the cultural movement in 1920s. This paper was made up of three parts. Firstly, I investigated the reality which Cheondogyo young men`s association cognized. Secondly, I viewed the educational ideas in Gaebyuk from three sides, that is the meaning of education, the rejection of traditional values, ideal human character. Thirdly, I considered its the limitations. Cheondogyo young men`s association made much of the Joseon` new cultural development besides the study and propagation of Cheondogyo doctrines. Gaebyuk was its very important product. Gaebyuk produced the ideas of cultural movement, and it actively participated in cultural movement. To Gaebyuk, the promotion of education was directly connected the very existence of nation, because the cultivating people of ability was very indispensable to construct the new Joseon. It accepted Western culture positively while it ignored traditional values generally. Its ideal man was the practical human with personaliy who can contribute to public welfare. But I found not a few limitations in Gaebyuk. To sum up, it placed too much confidence in school education, it emphasized spiritual regeneration than social reforms, it undervalued the power of the people, and it neglected almost every Joseon style excessively owing to its sense of elitism.

방정환의 어린이와 소년 개념에 대한 논의

김대용 ( Dae Yong Kim ) 한국교육사학회 2010 한국교육사학 Vol.32 No.2

This study focuses on the concepts of ``children`` and ``juvenile`` used by Bang Jeong-hwan. The two are the key concepts in understanding the ideas and juvenile movement of Bang. There are quite a few educational studies on Bang but there are very few focused on his treatment of the two concepts. The discussions in this paper are as follows. First, the differences between Bang`s children and juvenile are examined. Though juvenile had been widely used since early 1900`s, Bang intentionally chose children. While distinguishing children from juvenile, Bang tried to give the meaning of emancipation to children. Here, interestingly, he devoted his life to juvenile rather than under-10-year-old children. Second, ideological backgrounds of his view of children are reviewed. His intentional use of children was supported by its background ideologies. He found these ideologies in Cheondogyo and Japanese children`s literature. Third, his view of children and the view of children represented in Japanese children`s literature are compared. His view was greatly influenced by Japanese children`s literature, there are some distinctions found in his view. Fourth, the limitations of his view of children are considered.

Polygonal Mesh로 표현된 3차원 모델의 에러복원 연구

김대용(Dai-yong Kim),류대하(Dae-ha Ryu),박성원(Sung-won Park),김미자(Mi-ja Kim),장의선(Euee S. Jang) 한국방송·미디어공학회 2003 한국방송미디어공학회 학술발표대회 논문집 Vol.2003 No.11

AHP를 활용한 다기능 복합문의 하드웨어 성능에 관한 연구

김대용(Kim Dae Yong),김창현(Kim Chang Hyun) 한국테러학회 2015 한국테러학회보 Vol.8 No.2

본 연구는 테러를 비롯한 안전한 생활을 위한 실증적인 방어 수단중 하나인 입출입구중문(Doors)에 관한 하드웨어 성능 테스트 기준에 관한 연구로서 한국산업표준에서 문에 기능별 KS 시험 항목표준을 종합하고, 이들의 하드웨어 안전성 시험성능을 AHP(Analytic Hierarchy Process)를 활용하여 등급화 하는 것에 관한 연구이다. 문의 물리적 성능 시험항목은 방범기술산업협회의 다기능복합문(Multifunctional compound doors)에서 정의하는 KS 표준시험성능을 바탕으로 정의하였으며, 문에 관한 물리적 KS 시험 항목들을 AHP의 1:1 쌍대비교를 통하여 각 시험항목별 가중치를 결정하고, 각각의 시험항목별 성능기준은 기준의 KS 시험성능기준을 인용하여 등급화 하여 진행하였다. 이러한 시험성능의 등급화는 우리 생활에서 실증적인 방어수단중 하나인 문의 다양한 성능중 어떠한 요소들이 얼마만큼 더 중요하며, 그러한 중요한 요소들을 기준이 반영되어 하드웨어의 성능등급이 정해져야 우리의 공간과 시설을 객관적인 시험성능으로 더욱 안전을 강화하며, 테러예방에 기여할 수 있을 것으로 기대된다. This study investigates hardware performance testing standards about doors that is one of the practical defense means for entrance and exit; these summarized function of doors using the test factors of the Korean Industrial Standards; test performance of hardware safety is divided with AHP (Analytic Hierarchy Process) Physical performance tests of the door defined on the basis of the KS standard test performance and secure design & technology Korea. The weights of physical test procedures and acceptance criteria determined using AHP pairwise comparisons. Each of test performance criteria graded with quotation of KS test performance criteria. The grades of test performance was expected to strengthen the safety and prevent terrorism; there are reflected by importance element of door for human life space and facilities objective test performance that should be defined hardware performance.