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임장훈 ( Jang Hoon Lim ),임영길 ( Young Kil Yim ) 한국영상미디어협회 2010 예술과 미디어 Vol.9 No.2
3차원가상공간의 제작엔진을 구성하여 2D?3D그래픽을 통해 제작되어질수 있는 3차원가상공간 제작환경을 구성하고 이를 건축시뮬레이션의 창작 모듈로 설계한다. 우리의 시?지각이 2차원의 평면을 3차원의 공 간으로 인식하도록 3D프로그램이 개발되어 현실과 유사한 그래픽 환경이 재현되고 있다. 사용자가 사 실과 같은 가상현실을 경험하도록 사실성에 치중하여 기술을 개발하면서 감성적인 부분에 미흡하거나 어색함이 드러나게 되었다. 이에 연구자는 가상공간을 보다 실용적이고 회화적으로 드로잉하는 방법 에서 3차원 건축 시뮬레이션의 그래픽창작모듈을 설계하고자 한다. 2차원 평면으로 드로잉을 한 후, 디지털 가상공간으로 스캐닝 하여 드로잉 바탕 위에 드로잉의 방법에 맞는 기술을 선택 하여 빛의 표현, 쉐이더, 환경매핑(Environment Mapping), 파티클 시스템, 평면의 입체 공간화(배경, 이미지의 덩어리), 이미 지맵의 농도 조율, 좌표를 잡는 3D 프로세스, 드로잉 명암의 수치를 통한 형태화 등을 통하여 디지털 가상공간의 미감을 극대화하는데 활용되어지기를 바란다. I compose production Engine Environment of 3D Virtual Space that could be producted by 2D·3D Graphics. And I construct Graphic Creation Module of Architecture Simulation by it. The development of 3D programs which allow our sight to recognize 2D plan as 3D space is realizing the graphic environment that is very similar to our reality. However, it turned out insufficiencies or clumsinesses in emotional aspects as the technology is developed mainly focusing on the actual fact in order for the users to experience the virtual reality same as their real life. Therefore, I would like to design the Graphic Creation Module of Architecture Simulation by a drawing method with more natural painting style. At first, design 2D plane by drawing, and then scan it as digital virtual reality. After that, select the appropriate technology based on your drawing, and finalize the process through expression of light, shade, environment mapping, particle system, converting 2D plan to 3D (background, image group), tuning the density of image map, 3D process setting coordinates, formation by the value of drawing brightness. I hopefully expect this could be used to maximize the sense of beauty of digital virtual space.
임장훈(Jang-Hoon Lim) 한국콘텐츠학회 2007 한국콘텐츠학회논문지 Vol.7 No.10
본고는 유저 활동의 중요성, 유저간의 소통의 중요성, 플레이어 캐릭터의 성장과 변형을 통한 정체성 확립의 중요성을 중심으로 가상공간 커뮤니케이션의 특성을 분석하고, 이를 통해 원만한 사회관계를 활성화하고자 그 방안을 모색하고 유저들이 가상 사회 안에서 보다 책임 있는 행동을 유발하도록 제안하였다. 하루에도 수 천 명이 접속하여 교류하는 가상 공간에서 유저는 솔로스토리를 진행하며 타인과의 인간 관계를 통해 자신의 정체성을 찾게 된다. 무엇보다도 중요한 것은 가상 공간을 사회로 인식하고 타인에 대한 언행에 대해 연대 책임 의식을 갖는 유저들의 자세일 것이다. This study analyzed the importance of user activity, communication between users and identity establishment by growth and change of player's character through users' communication structure and then it classified such an importance into activity by group, dealings, information sharing, duel and strategy performance. It also looked into the plans to revitalize smooth social relationship and suggested for users to behave with responsibility in virtual society. In the virtual space where thousands of people connect and interact with each other every day, users find out their identities through human relationship with others proceeding solo story. What is more important is that users consider virtual space as a society and feel collective responsibility on words and behavior against others.
한국형 3D온라인게임(MMORPG) 서사구조의 분석을 통한 유저 제작베이스시스템의 구축
임장훈 ( Jang Hoon Lim ),임영길 ( Young Kil Yim ) 한국영상미디어협회 2009 예술과 미디어 Vol.8 No.1
게임 상에서의 가상공간은 정해진 룰 안에서 정해진 테크놀로지를 조작하여 임무수행, 폭력, 거래 등을 행 사하며 마니아층을 확보하고 있고 여러 가지의 긍정 적인 영향과 부정적인 영향을 낳고 있다. 우리에게 필 요한 것은 게임 상에서보다 건설적이고 건전하며 보 다 생생한 가상공간이다. 한국형 3D온라인게임(MMORPG)에서는 제작자는 유저가 사용하게 될 캐릭터, 사건, 상황을 베이스시스템으로 설정해 놓고 랜덤 맵에 뿌려 놓은 NPC(Non Player Character)들을 통해 시나리오와 흐름의 방 향을 조절해 간다. 유저는 각자가 자신만의 솔로스토 리를 만들어나가고 제작베이스시스템을 활용하여 개별적인 시나리오를 만들며 타 유저들과 파티를 맺어 멀티플레이를 진행시키게 된다 본고는 플레이어 캐릭터의 성장과 변형을 통한 정체성 확립, 영웅서사구조형식의 시나리오방식, 사건 의 전개에 개의치 않는 미 결말 형식의 전개형식의 중요성을 중심으로 한국형 3D온라인게임의 서사구조의 형식을 분석하고자 한다. It has brought about various positive and negative results on games, as it has secured game mania classes who operate the technology within the fixed rule to exercise their duties, violence and deal. We have need of more constructive, sound and vivid VR on games. In Massive Multiplayer Online Role Playing Game (MMORPG), The manufacturer sets character, event and situation user is used with base system and it puts and controls scenario and direction of flow with NPC (Non Player Character) which sprinkled in random-map. User each one makes solo-story only of oneself and applies Created Base-System and makes an individual scenario. And then User ties the Party with other User and is advanced the Multi-play. This study analyzed the importance of identity establishment by growth and change of player`s character, scenario method of hero narrative structure type and development type of the type where is not the end through users` communication structure and then it classified such an importance into activity by group, dealings, information sharing, duel and strategy performance.
조규섭 ( Gue Serb Cho ),임정규 ( Jung Kyu Lim ),장훈 ( Hoon Jang ),최경환 ( Kyeong Hwan Choe ) 대한금속재료학회 ( 구 대한금속학회 ) 2010 대한금속·재료학회지 Vol.48 No.5
Carbon Nanotubes (CNTs) have recently emerged as a material with outstanding properties. It has shown promising potential for applications in many engineering fields as electronic devices, thermal conductors, and light-weight composites. Researchers have investigated their use as reinforcements in themetal matrix composites of CNTs. In the present work, we decorated CNTs with Ni particles by electroless plating. The CNTs were wet-ball milled for various milling times with a nickel sulfate solution. The precipitated Ni particles were observed mainly by FESEM. In this study, the dispersion of the CNTs and Ni particles was improved with the addition of the surfactant. Also, as the CNTs were shortened and widened by an increased ball milling time, the size of the precipitated Ni particles increased. It was estimated that the CNTs were deformed and caused some defects on their surface during the ball milling process. Those defects were assumed to be heterogeneous nucleation sites for the Ni particles.
초음파 진동에 의한 A328 알루미늄 합금 용탕의 탈가스
최경환 ( Kyeong Hwan Choe ),장훈 ( Hoon Jang ),임정규 ( Jung Kyu Lim ),김상섭 ( Sang Sub Kim ),조규섭 ( Gue Serb Cho ) 한국주조공학회 2011 한국주조공학회지 Vol.31 No.6
A328 alloy is an attractive candidate for recycle-friendly aluminum alloy in the recycling of automotive components. In this study, A328 alloy melt was degassed by ultrasonic vibration and the effect of treatment time on the density, fluidity and mechanical properties was investigated. Experimental results reveal that a constant value of density can be reached after less than 180 seconds of ultrasonic treatment time, but the density decreased when the treatment time was 300 seconds. Ti which was dissolved from the horn during ultrasonic treatment reduced the fluidity of melt. After degassing by ultrasonic vibration for 180 seconds, tensile strength increased from 201MPa to 250MPa, and elongation increased from 2.38% to 3.50%, however, further treatment deteriorated the mechanical properties.
최경환 ( Kyeong Hwan Choe ),장훈 ( Hoon Jang ),임정규 ( Jung Kyu Lim ),김상섭 ( Sang Sub Kim ),조규섭 ( Gue Serb Cho ) 대한금속재료학회(구 대한금속학회) 2013 대한금속·재료학회지 Vol.51 No.10
Carbon nanotubes (CNTs) have recently emerged as a reinforcement for metal matrix composites (MMCs), but the problem of dispersion of CNTs and the interface between the metal matrix (MM) and CNTs makes it difficult to utilize MM-CNTs composites. In this study, in order to decrease the floatation and clustering of CNTs and improve the wettability between CNTs and an Al melt, CNTs were decorated with Cu particles by a metal displacement reaction. To investigate the effects of their morphology on the metal displacement reaction, flake-and spherical-type Zn powders were respectively added to precipitate Cu particles in a Cu salt solution. The flake-type Zn powders were fully displaced by Cu in the solution, but in case of the spherical-type Zn powders, Cu was deposited on the surface only. The reaction temperature did not affect the characteristics of the metal displacement reaction. This result was attributed to the fact that the rate of the metal displacement reaction was decreased in ethanol due to an increase in viscosity in diffusion of Cu2+ from the solution to the metallic Zn surface. Cu/CNTs nanocomposite powders were manufactured by the addition of copper chloride (CuCl2) to an ethanol suspension containing pre-treated CNTs. The CNTs were mixed with precipitated Cu nanoparticles and others were entrapped between the Cu particles or agglomerates. It was attributed to the lack of the active sites on the CNTs surface for the nucleation of Cu crystal. (Received November 1, 2012)