『淸史稿』에 나타난 동아시아 주변국 인식

정동연(鄭東然) 중국근현대사학회 2018 중국근현대사연구 Vol.80 No.-

뉴럴 네트워크를 이용한 지능형 통합 제어 시스템 설계

정동연,김경년,이정호,김원일,한성현 한국생산제조학회 2002 한국공작기계학회 춘계학술대회논문집 Vol.2002 No.4

근대 渡滿 일본인의 中國人像

鄭東然(Jung, Dong yeon) 중국근현대사학회 2017 중국근현대사연구 Vol.74 No.-

This article investigated the Chinese images shaped by Japanese Manchuria-emigration from the Russo-Japanese War to founding of Manchukuo, and analyzed how Japanese empire consciousness had a effect on it, how empire consciousness proceeded with relation to Chinese images. In 19th century, The changes of Japan into the empire made the Japanese have so-called ‘empire consciousness’. Empire consciousness tries to form, maintain, reinforce the empire system ruling the different race and foreign land. Under the Portsmouth Peace Treaty in 1905, Japan obtained the right to rule over the Kwantung Leased Territory(關東州) in Manchuria. The Japanese will to dominate Manchuira gradually strengthened, and came true as the Manchurian Incident in 1931. In this way, images of the Chinese - ‘unenlightened Chinese’, ‘not knowing union, dispersed Chinese’, ‘dirty Chinese’, ‘criminal Chinese’, ‘racketeer Chinese’ - in the Manchurian Japanese eyes and empire consciousness were inseparable. In this article, images of the Chinese were closely related with a logic of dominance, logic of control, and defense mechanism. And images of the Chinese which reflected empire consciousness were widely accepted by Japanese people, which supported and rationalized invasion of Japanese imperialism. Therefore, Japan"s invasion which led to the Manchurian Incident(1931) and the Sino-Japanese War(1937) was carried out not by just some politicians or military authorities, but under the public support.

PSD 센서 및 Back Propagation 알고리즘을 이용한 AMI 로봇의 견질 제어

정동연(Dong-Yean lung),한성현(Sung-Hyun Han) 한국산업융합학회 2004 한국산업융합학회 논문집 Vol.7 No.2

Neural networks are used in the framework of sensor based tracking control of robot manipulators. They learn by practice movements the relationship between PSD(an analog Position Sensitive Detector) sensor readings for target positions and the joint commands to reach them. Using this configuration, the system can track or follow a moving or stationary object in real time. Furthermore, an efficient neural network architecture has been developed for real time learning. This network uses multiple sets of simple back propagation networks one of which is selected according to which division (Corresponding to a cluster of the self-organizing feature map) in data space the current input data belongs to. This lends itself to a very training and processing implementation required for real time control.

오프라인 프로그래밍을 이용한 스카라 로봇의 통합제어 시스템 설계

정동연,한성현 한국공작기계학회 2002 한국공작기계학회지 Vol.11 No.3

We developed a Off-Line Graphic Simulator which can simulate a robot model in 3D graphics space in Windows 95 version. 4 axes SCARA robot was adopted as an objective model. Forward kinematics. inverse kinematics and robot dynamics modeling were included in the developed program. The interface between users and the off-line program system in the Windows 95's graphic user interface environment was also studied. The developing language is Microsoft Visual C++. Graphic libraries. OpenGL, by Silicon Graphics. Inc. were utilized for 3D graphics.

퍼지-신경망 제어기법을 이용한 Mobile Robot의 지능제어

정동연,김용태,한성현 한국공작기계학회 2002 한국공작기계학회 추계학술대회논문집 Vol.2002 No.-

This paper presents a new approach to the design of cruise control system of a mobile robot with two drive wheel. The proposed control scheme uses a Gaussian function as a unit function in the fuzzy neural network, and back propagation algorithm to train the fuzzy neural network controller in the framework of the specialized learning architecture. It is proposed a learning controller consisting of two neural network-fuzzy based on independent reasoning and a connection net with fixed weights to simply the neural networks-fuzzy. The performance of the proposed controller is shown by performing the computer simulation for trajectory tracking of the speed and azimuth of a mobile robot driven by two independent wheels.

제네틱 알고리즘을 이용한 이동로봇의 지능제어기 설계

정동연,김종수,한성현 한국공작기계학회 2003 한국공작기계학회 추계학술대회논문집 Vol.2003 No.-

This paper proposed trajectory tracking control of Mobile Robot. Trajectory tracking control scheme are Real coding Genetic-Algorithm and Back-propergation Algorithm. Control scheme ability experience proposed simulation.

광학렌즈 자동 검사용 지능형 로봇 비젼 시스템 개발

정동연,장영희,차보남,한성현 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-

Developed shape awareness technology and vision technology for optical lens slant in this research, and including external form state of lens for the performance verification, developed so that can be good, achieve badness finding. And, establish to existing reflex data because inputting surface badness degree of scratch's standard specification condition directly, and error designed to distinguish from product more than schedule error to badness product by normalcy product within schedule extent after calculate the error comparing actuality measurement reflex data and standard reflex data mutually. Developed system to smallest 1pixel unit though measuring is possible 1pixel as 3.7μm×3.7μm(0.1369×1O^(-4)mm²) the accuracy to 10^(-4)mm minutely measuring is possible performance verification and trust ability through an experiment prove.

淸의 駐韓公館과 韓淸 近代外交

鄭東然(Jung, Dong Yeon) 역사교육연구회 2021 역사교육 Vol.158 No.-

This study examined the way in which the Qing dynasty had introduced the diplomatic office system through unequal treaties and the Western international law books and figured out the relevance between Qing’s diplomatic offices in Korea and Sino-Korean modern diplomacy. In particular, this article paid attention to the manifestation that rationality and empireness of the diplomatic offices appeared and the aspect that the traditional diplomacy and modern diplomacy competed. Qing’s diplomatic offices in Korea can be explained in terms of rationality and empireness, and the change of Qing’s diplomatic offices in Korea can be divided into the following two periods. The first phase is the founding period of the Qing’s diplomatic offices in Korea. In this period, Qing aimed at making the Chosun her vassal state through the Commercial Affair Office. Qing made use of modern diplomacy and traditional diplomacy arbitrarily. The second phase is the completing period of the Qing’s diplomatic offices in Korea. In this period, the minister or consul had developed to enhance the rationality of modern diplomacy using treaties and Western international law but had to defend against Korean or Japanese empireness. This study has the following meanings in terms of supplementation of prior research and expansion of research horizon. First, this article revealed that Qing’s empireness before the Sino-Japanese War came from both traditional diplomacy and modern diplomacy. Therefore, preceding researches that have judged Qing’s Chosun policy traditional or modern need to be reconsidered. Second, this article discovered the rationality of modern diplomacy in proceeding with Sino-Korean relations. Several preceding kinds of research did not stress the development of Sino-Korean relations. It is clear that the rationality of modern diplomacy increased at this time.

연관과 비교의 관점에서 본 고등학교 동아시아사 -대주제 ‘동아시아의 근대화 운동과 반제국주의 민족 운동’을 중심으로-

鄭東然(Jung, Dong Yeon) 역사교육연구회 2019 역사교육 Vol.150 No.-

〈East Asian History〉 is a curriculum that connects 〈Korean History〉 and 〈World History〉. It has been expected to resolve several problems in East Asia, introspecting ourselves and understanding the others. However, 〈East Asian History〉 is placed in a tough situation now. In this article, I analyze the 〈East Asian History〉 curriculum and new textbooks which are to be used from this year. Also, I seek teaching and learning methods on the basis of ‘connection’ and ‘comparison’ principles. ‘East Asian modernization and anti-imperialism’ is the fourth chapter in the 〈East Asian History〉 textbooks. It has the epistemological structure of ‘Western Impact’ and ‘Eastern Reaction’, and describes the historical process of East Asian countries by applying the ‘comparison’ principle. But there are few descriptions applying the ‘connection’ principle. In general, four textbooks comply with the National Curriculum and Writing standard. But it should be noticed that they sometimes repeat the standard pattern of the past textbooks and contain incorrect contents. ‘Connection’ principle means that one works along with another, or they influence each other. It can proceed in the order of object choice, relational analysis, presenting method choice, and practice. ‘Comparison’ principle means that one discovers what is common and what is different. Similarly, it may proceed in the sequence of unit choice, object choice, presenting method choice, and practice. When applying the ‘connection’ and ‘comparison’ principle, the conclusion is tentative and thus can be modified and reinterpreted. Therefore, it is concerned with the process than the outcome of applying the ‘connection’ and ‘comparison’ principles.