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자동차 현가 및 조향 장치 부품설계 자동화 시스템 개발
이광일,정승용,조희봉,강재관 한국공작기계학회 2002 한국공작기계학회 춘계학술대회논문집 Vol.2002 No.-
In this paper, an automated design system of suspension and steering parts is developed. The system automates the processes of 3-D modeling and 2-D drafting of the parts. In addition, the BOM and dimension data of the designed part is also automatically transferred to the database of ERP system. The system is developed by using the functions of parametric design and API(application Programming Interface) of the a commercial solid modeler.
이광일,김봉환,황영원,김상하 충남대학교 자연과학연구소 1993 忠南科學硏究誌 Vol.20 No.1
Network protocol may be the most important component needed to construct computer network. One widely suggested protocol is the ISO OSI reference model, which has seven layers, each performing a well-defined function. Unfortunately, the overhead created by all these layers is substantial and plenty of computing capacity would be available for running complex protocols. A network protocol, CNUNP, is a proposed one aimed at the reduction of this protocol overheads. In this paper we will introduce the prototype design of lower layers for CNUNP, and discuss service functions in each layer and the implementation details.
남성 주류 영화와 페미니스트 대만영화의 동일시 연구 : 알프레드 히치콕과 샹딸 아께르만의 펙스트를 중심으로
이광일 동국대학교 연극영화학과 1992 映像學報 Vol.3-4 No.-
The purpose of this study is to investigate the decline of film industry caused by the advent of new media, in Korea. We can point 2 major reasons of it follow : first, the launching of multinational film companies through direct marketing : second, the advent and spread of new media. In this study, “new media”means the alternatives to the movies released and consumed through movie theater. TV, video, CATV and newly emerging audio-visual media are included in this area. The advent of TV had decreased the number of movie-goer drastically, in U. S. A. in the early days of TV-age, the reactions of American Film industry were very hostile and competative against TV. So, they developed and made the cinemascope, apectacles and expensive movies for the differentiations with TV. These days, the dramatic development of technology demands more cooperations and reformations of both sides, movie and new media. To survive in this competative environment, film industry has to understand and adjust to the new media. Changing situations want changing reactions. If fail, the film industry would be discouraged more and more. In the market system based on Capitalism, the box-office and distributing structure used to determine their survival or not. But from the long perspective, to submit into box-office and distributing would make film industry more and more inactive and passive to changing media environment. And, finally it will deepen the dependance onto the big company or foreign capitals. To survive, the film industry must embrace and cooperate with all new media.
α-Phenyl-N-iso-propylnitrone 유도체에 대한 Potassium Cyanide의 친핵성 첨가반응 메카니즘과 반응 속도론적 연구
이광일,곽천근,장병만 경기대학교 1995 論文集 Vol.37 No.-
The rate constant of the nucleophilic addition of potassium cyanide to α-phenyl-N-iso-propylnitrone derivatives were determined at various pH and a rate equation which can be applied over wide pH range is obtained. Final product of the addition reaction was α-cyano-p-phenylbenzyliden-N-iso-propyl amine. Base on the rate equation, general base effect, substituent effect and final product, plausible mechanism of addition reaction have been proposed. Below pH 3.0, the reaction was initiated by the addition of netural hydrogen cyanide, and in the range of pH 3.0-10.0, proceeded by the competitive addition of hydrogen cyanide and cyanide anion. Above the pH 10.0, the reaction proceeded through the addition of cyanide anion.