운동에너지 탄에 따른 전투시스템 내의 순간화재발생에 대한 해석적 연구

이승철(Lee Seung-Chul),전우철(Jeon Woo-Chul),이해평(Lee Hae-Pyeong),이헌주(Lee Heon-Joo),이창현(Lee Chang-Hyun) 제어로봇시스템학회 2012 제어로봇시스템학회 합동학술대회 논문집 Vol.2012 No.7

본 연구는 외부 위협탄에 의한 전투시스템의 취약성을 분석하기 위한 선행연구로써, 운동에너지 탄의 종류에 따른 가상의 전투차량 내부에 적재포탄에서 순간화재발생 여부에 대한 전산해석을 수행하였다. 본 해석은 Autodyn 프로그램을 사용하였으며 순간화재발생을 판단하기 위해 Lee-Tarver ignition and growth model을 이용하였다. 본 계산에서 운동에너지 탄은 type A와 type B 두 가지로 설정하였고, 고폭탄은 COMPB, TNT 및 PBX9404를 설정하였다. 전산해석 결과, 고폭탄의 재질이 TNT와 PBX9404가 COMPB 재질보다 순간화재발생 확률이 상당히 높음을 알 수 있고 type B의 운동에너지 탄이 type A 보다 순간화재발생 확률이 다소 높음을 알 수 있었다.

운동에너지 탄과 적재포탄에 따른 전투시스템 내부에서의 순간화재발생에 대한 전산해석

이승철,전우철,이해평,이헌주,Lee, Seung-Chul,Jeon, Woo-Chul,Lee, Hae-Pyeong,Lee, Heon-Joo 한국군사과학기술학회 2013 한국군사과학기술학회지 Vol.16 No.6

In this paper, numerical analysis was performed about whether the flash fire of loaded shells breaks out in the virtual combat vehicle according to sorts of the kinetic energy ammunition as the preceding research for vulnerability analysis inside the combat system by an external threaty ammunition. In this simulation, Autodyn program was used and the Lee-Tarver ignition and growth model was used to determine the flash fire outbreak. In this study, the kinetic energy ammunition was set of type A and type B in two kinds and the loaded shells was set of COMPB, TNT, PBX9404 and ANB. As a result, TNT and PBX9404 have much higher flash fire probability than COMPB in high explosive, ANB has very low flash fire probability.

병인양요 직전 姜瑋의 禦洋策

李憲柱(Lee Heon-Joo) 한국사연구회 2004 한국사연구 Vol.124 No.-

The appeal, 〈Cheong Kwon-seol Min-bo Zeung-su Kang-bang So(請勸設民堡增修江防疏)〉 was written by Kang Wi, a well-known reformer and early proponent of enlightenment thought. However, despite its obvious importance, academic circles have so far largely ignored this document. Moreover, the period in which this document was written has been wrongly assumed as being after the foreign disturbance of 1866. This paper undertakes a study of the 〈Kang-bang So〉 with the objectives of uncovering the actual time period in which it was formulated and of identifying the reasons why Kang Wi became a member of the progressives. A statement found in the 〈Bon-jeon(本傳)〉 written by Lee Joong-Ha, which states that, this foreign disturbance occurred in the capital region in 1866, has so far been the main reason why scholars believe that the 〈Kang-bang So〉 was actually written after the foreign disturbance of 1866. While this statement is clearly in reference to what has come to be known as the first foreign disturbance, in which a French fleet attacked Chosun in 1866, the fact that the 〈Kang-bang So〉 was clearly written after this incident is evidenced by the following: First, an identical appeal was recorded in the 《Sin Heon Collections(申櫶全集)》, where it was given the name of 〈Non Byeong-sa So(論兵事疎)>. The following statement is included at the end of this document, disturbance at the end of August 1866. Second, there are no references to the French attack of 1866 within the 〈Kang-bang So〉 itself. On the other hand, the 〈Kang-bang So〉 makes reference to China's experiences with foreign disturbances when laying out his plan for a proper defense, thus implying that Chosun had yet to encounter any real foreign threat. This paper argues that the 〈Kang-bang So〉 was actually prepared in response to an incursion by two Western fleets into the Yanghwajin area of the Han River on August 18th, 1866: an incursion which led King Kojong to order that defense measures be established immediately. As a result Kang Wi was asked by military commander Shin Heon to analyze the condition of the rivers flowing from Kang-hwa Island to Yang-hwa Jin: which in turn led to Kang"s submission of the 〈Kang-bang So〉, a document that listed the defensive measures that should be taken in order to fend off a Western invasion. The 〈Kang-bang So〉 is a defensive strategy that combines the strategies found in the 〈Ju-hae(籌海)〉 section of the book 《Hae-kuk-do-ji(海國圖志)》, which was written by Wi Won, with the national defense theory introduced by Chong Yak-Yong in the 《Min-bo-eui(民堡議)》. Chong Yak-Yong s national defense strategy, which was still relevant in the middle of the 19th century, first emerged as a means of countering the weaknesses of the defense forces caused by the rampant corruption of the Army Administrative System. However, Chong Yak-Yong"s defense strategy was not effective against Western invasions, or against attacks by Japanese marauders. As such, Kang Wi"s strategy was to mobilize the common people to assure national defense, thus protecting the kingdom and solving the nation's acute shortage of soldiers in one stroke. As mentioned above, Kang Wi adopted a detailed defense strategy that was largely based on the 〈Ju-hae〉 section of the 《Hae-kuk-do-ji》. Kang introduced a defense strategy to protect the rivers against Western invasions that was based on the Sa-nae-ha(守內河) concept found in the euisu(議守) chapter of the 〈Ju-hae〉. The main difference between the strategies adopted by Kang Wi and Wi Won was that while the latter emphasized using local militaries, Kang Wi advocated the use of national defense forces composed of commoners. As such, given the reality of Chosun"s situation, Kang Wi intended to complete the Su-nae-ha strategy found in the〈Ju-hae〉 by combining it with the national defense theory created by Chong Yak-Yong.Two other individuals, Yun Seop and Park Ju-Woon, also formulated strategies to fend off Western invasions. Their strategies were based on the tradit

姜瑋의 對日開國論과 그 性格

李憲柱(Lee, Heon-joo) 한국근현대사학회 2001 한국 근현대사 연구 Vol.19 No.-

헬리콥터 항법을 위한 증강현실 인터페이스 설계

이헌주 ( Heon Joo Lee ),변기종 ( Ki Jong Byun ),박찬용 ( Chan Yong Park ),김주완 ( Ju Wan Kim ),장병태 ( Byung Tae Jang ) 한국감성과학회 2000 추계학술대회 Vol.2000 No.-

증강현실은 사용자가 보고 있는 실세계의 영상과 컴퓨터가 생성한 가상의 영상을 실시간으로 합성하여 제시해주는 기술로 사용자에게 실세계에 대한 이해 및 현실감을 높여 줄 수 있는 기술이다. 본 논문에서는 이러한 기술을 이용하여 조종사에게 항법관련 정보를 제공해줄 수 있는 헬리콥터 항법용 증강현실 인터페이스를 설계하는 것을 목적으로 한다. 증강현실 인터페이스는 위치 측위를 위한 GPS/INS 기술과 통합되어 조종사에게 실시간으로 항법관련 정보를 제공해줄 수 있도록 한다. 제안된 시스템에서는 조종사의 주시방향을 보다 정확하게 추출하기 위하여 레이저 방식의 트래커를 이용하며, 투시형 HMD(Head-mounted Display)를 이용하여 합성된 영상을 조종사에게 실시간으로 제공하도록 한다.

신경논리망 기반의 퍼지추론 네트웨크와 탐색 전략

이헌주(Lee Heon Joo),김재호(Kim Jae Ho) 한국정보처리학회 1996 정보처리학회논문지 Vol.3 No.5

Fussy logic ignores some informations in the reasoning process. Neural networks are powerful tools for the pattern processing. However, to model human knowledges, besides pattern processing capability, the logical reasoning capability is equally important. Another new neural network called neural network called neural logic network is able to do the logical reasoning, Because the fuzzy inference is a fuzzy logical reasoning, we construct fuzzy inference network based on the neural logic network, extending the existing rule-inferencing network. And the traditional propagation rule is modified. For the search strategies to find out the belief value of a conclusion in the fussy inference network, we conduct a simulation to evaluate the search cost for searching sequentially and searching by means of priorities.

개항 직전 강위(姜瑋)의 현실 인식

이헌주 ( Heon Joo Lee ) 한국사상사학회 2010 韓國思想史學 Vol.0 No.35

본 논문은 19세기 중반 조선 사회가 직면했던 서구 열강의 침략 위협과 민중세계의 도전이라는 대내외적 위기 상황에서 개화사상 형성을 통해 타개하고자 했던 강위의 현실 인식을 살펴봄으로써 개화사상 형성의 배경을 규명하고자 하였다. 임술민란이 일어나자 강위는 「의삼정구폐책」을 지어 민란 수습의 구체적 방안을 제시하였다. 그는 민란의 원인을 三政 운영의 문제로 파악했던 조정의 입장과는 달리 增稅와 賦稅不均 심화에 따른 流民化 현상에서 찾았고, 부세불균을 해소하기 위해 量田의 시행, 군역의 공평한 부과, 환곡제 개혁 등을 주장하였다. 나아가 그는 부세제도와 지주제 자체에 대한 보다 근본적인 개혁방안도 내놓았는데, 현실성이 떨어지는 土地再分配를 주장하기보다는 지대수취율의 경감과 빈부를 감안한 조세부과를 통해 농민경제의 안정화를 꾀하려 하였다. 하지만 그는 자신의 三政改革論이 세도정권 하의 조선의 현실에서 수용되어 시행되기는 어렵다고 보았다. 丙寅洋擾 발생 당시 강위는 斥邪論者들과 마찬가지로 서양에 대해 海防論的인 인식을 하고 있었다. 하지만 양요를 직접 경험하게 되면서 서양에 대한 그의 인식에 변화가 나타나게 되었다. 그가 開國論者로 변모하게 된 내적인 원인은 洋擾의 충격이었지만, 문호개방의 필요성을 확신하게 한 계기는 燕行에서 마련되었다. 연행을 통해 강위는 서양인들이 여전히 조선을 침략할 기회를 엿보고 있다는 점, 서양과 일체가 된 일본이 서양과 함께 조선을 쳐들어 올 가능성이 있다는 점, 청국이 더 이상 조선의 울타리가 되어 줄 수 없다는 점 등 냉엄한 국제정세를 확인하였다. 조선의 상황은 고립무원으로 강력한 적들에 둘러싸인 風前燈火와 같은 위태로운 형국이었던 것이다. 이러한 상황에서 그는 승산 없는 戰爭이 아닌 문호개방을 통한 외교적 해결에서 조선의 활로를 찾았던 것이다. 2차 연행에서 돌아온 후 강위가 위험을 무릅쓰고 공공연히 합종연횡을 말하였던 것은 그의 절박한 위기감의 표현이었고, 그 내용은 문호개방을 통한 부국강병의 달성을 지향하는 개국론이었다. This study is conducted to examine the background of the enlightenment thought by looking into the consciousness of reality of Gang Wi who tried to get over the threat of invasion of Western powers that Joseon Dynasty faced in the mid-19th century and dangerous situations such as challenges of the public world by having the enlightenment thought. When Peasant Rebellion of 1862 occurred, Gang Wi suggested a specific method to solve the rebellion by writing 「Eusamjeonggupyechaek」. He found out the cause of the rebellion from the phenomenon of people wandering according to intensifying higher tax(增稅) and Inequality of taxation(賦稅不均) unlike the Royal Court`s position considering the cause as the problem of Three Financial Administration(三政)`s operation. In addition, he strongly recommended enforcement of Ryang-Jeon(量田) to solve inequality of tax collection, fair of military, and revolution of Hwangok(grain loan). Furthermore, he suggested a more fundamental reform plan about the tax collection system and a shareholding plan, and he made an effort to stabilize peasant economy through tax collection considering the reduction in land price collection rates and the gap between the rich and the poor instead of insisting land redistribution. However, he thought that it was hard to accept the reform theory about three financial administration(三政改革論) in Joseon Dynasty under the Clan Politics. Gang Wi perceived the consciousness of Haebangnon(海防論) about the West like people with the theory of Defending Orthodoxy and Rejecting Heterodoxy(ChoksaWijongnon, 斥邪衛正論) when French Disturbance of 1866 happened. However, as he experienced an invasion, his consciousness of the West was changed. He was internally changed into the person with the Idea of Opening of Korea because he was shocked by invasions of Western powers, but he was certain that an open-door policy was necessary by journeying to Yanjing. Through the journey to Yanjing, Gang Wi confirmed harsh international situations like western people were watching for an opportunity to invade Joseon, Japan joined with the West had a possibility of invading Joseon together with the Western countries, and Qing was unable to protect Joseon any longer. Joseon was alone and unaided, and it was in an extremely precarious state as surrounded by strong enemies. Such a situation, he sought solutions to overcome the diplomatic issues by opening a door instead of wars without the chance of winning. What Gang Wi talked about vertical and horizontal alliances(HapjongYeonhwoeng, 合從連衡) in face of danger after returning from the second journey to Yanjing was the expression of his pressing crisis, and the content was the Idea of Opening of Korea aiming at achieving national prosperity and military power through an open-door policy.

퍼지 규칙 추론망에서의 적응적 탐색과 학습

이헌주(Heon Joo Lee),김기태(Ki-Tae Kim) 한국정보과학회 1996 정보과학회논문지(B) Vol.23 No.7

신경논리망을 이용한 기존의 규칙 추론망에서의 탐색 전략은 최종적인 결론의 믿음값을 결정 하기 위해서 결론부로부터 역전파해가며 전체 네트워크를 순차적으로 탐색하게 된다. 그런데 이와 같은 순차적 탐색은 매우 비효율적이다. 본 논문에서는 이러한 탐색 전략을 개선하기 위하여 적응적 탐색이 가능한 퍼지 규칙 추론망을 제안한다. 제안된 적응적 탐색 전략은 동적으로 변경이 가능한 탐색 우선순위에 따라서 추론망을 탐색하게 된다. 그러므로 제안된 방법에 의하면 항상 주어진 상황에 적절한 탐색 전략을 취할 수 있다. 또한 적응적 탐색이 가능한 퍼지 규칙 추론망은 학습 능력을 갖는다. 끝으로 실험을 통하여 제안된 적응적 탐색과 학습 능력이 효율적임을 검증한다. To find out the belief value of a conclusion, the traditional search strategy in rule inferencing network using neural logic network back propagates from a rule term of the conclusion and follows through the entire network sequentially. This sequential search strategy is very inefficient. To Improve this search strategy, we propose fuzzy rule inferencing network with adaptive search. The proposed adaptive search strategy searches the inferencing network according to search priorities which can be updated dynamically Therefore the fuzzy rule inferencing network is always able to adopt its search strategy suitable to the situation And the fuzzy rule inferencing network with adaptive search has the learning capability Simulation results prove the adaptive search strategy and learning capability to efficient.

체력 향상을 위해 적용된 복합 트레이닝 훈련이 지적장애 국가대표축구선수들의 운동수행력에 미치는 효과

이헌주 ( Heon Ju Lee ),원신희 ( Shin Hee Won ),안효작 ( Hyou Jack An ),염동철 ( Dong Chol Youm ),허기주 ( Ki Joo Huh ),조준용 ( Joon Yong Cho ),조인호 ( In Ho Cho ) 한국체육대학교 체육과학연구소 2013 스포츠사이언스 Vol.31 No.1

본 연구에서는 지적장애인 국가대표 축구선수들의 체력 향상을 위해 플라이오메트릭과 서킷트레이닝이 복합적으로 구성된훈련 적용이 수행력에 어떠한 영향을 미치는지 규명하였다. 연구대상은 선발전을 통해 지적장애인국가대표 축구선수로 선발된 선수들 8명으로 복합운동집단과 일반운동집단으로 각각 4명씩 무선표집 하여 선정하였으며 일반운동 집단은 슛, 패스, 드리블, 전술 등, 기술의 습득을 위한 트레이닝을 그리고 복합운동집단은 지적장애인의 낮은 체력 특성을 보완하기 위하여 플라이오메트릭과 웨이트 트레이닝을 복합한 서킷 트레이닝을 8주간 수행하였다. 결과적으로 복합훈련을 실시한 지적장애 국가대표 축구선수들의 근력과 근파워, 무산소성파워, 근지구력, 민첩성, 유연성의 모든 부분에서 통계적으로 유의하게 향상 된것을 확인하였다(p<.05). the aim of this study was to investigate the effect of complex training that adapted for the national soccer players with mentally retarded to improve physical fitness and performance. Eight Participants were randomly divided into complex training group and control group playing regular training for 8weeks. As a result, cardiovascular function, muscle strength and muscle power of lower limb, anaerobic power, muscle endurance, agility, flexibility were significantly increased in complex training group(p<.05) compared to control group.

임베디드 리눅스 보드를 이용한 홈 네트워킹 시스템 구현에 관한 연구

이헌주(Heon Joo Lee),이종수(Jong Su Lee),최경삼(Kyung Sam Choi) 대한전기학회 2003 대한전기학회 학술대회 논문집 Vol.2003 No.11