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온도 영역에 대한 선형 액추에이터의 실험적 고찰과 유한차분 방정식
김양호,손웅태,황석영 한국조명전기설비학회 2004 조명·전기설비학회논문지 Vol.18 No.4
본 논문에서는 선형 액추에이터의 권선부에 구형파 전압을 인가시 권선부의 표면에 나타나는 온도의 변화에 대해서 고찰하였다. 또한 테일러급수로부터 구할 수 있는 유한차분 방정식을 유도하였고, 이를 바탕으로 직선형 피스톤 액추에이터의 권선에서 일어나는 온도 변화에 대한결과를 고찰하였다. 그 결과 액추에이터 표면의 온도가 주위온도에 비해 시간에 따라 증가하는 에너지 표출 현상을 확인하였으며 이를 바탕으로 선형 액추에이터의 동작시 온도 특성을 실제 시스템에 고려하여 적용할 수 있는 실험적 자료를 도출할 수 있었다. 이에 관한 결과는 액추에이터 뿐만 아니라 권선을 사용하는 전동기나 변압기와 같은 전기기기와 전자기력을 이용하는 분야에 참고자료로 활용될 수 있으리라 사료되며, 앞으로는 여러 조건 하에서 권선의 내부와 외부에서 일어나는 온도 및 동작 특성의 정밀한 해석 결과를 구하기 위해 좀더 구체적인 계산 방범과 개선이 필요하다. In this paper, the energy conversion theory of the linear actuator deals with the temperature characteristic analysis with verifying temperature of linear Actuator system This model of linear actuator has winding part and mechanical spring, and a plunger. This paper proposed and experimented the linear Actuator(LA) by using finite difference equation(FDE). The experimental result represented the temperature T1 and T2 which remarks Tl is a center of magnetic road inside of actuator winding part, and T2 is a surface of actuator winding part. And the temperature characteristic of the actuator winding part are experimented by the digital temperature meter TECPEL 322.
文藝創作 構成 方法 연구*-小說과 시나리오, 戱曲의 경우를 例로 들어-
김양호 한국어문교육연구회 2005 어문연구(語文硏究) Vol.33 No.2
This paper is a sketch to be based in my own experience, which may perhaps be a effective method to construct a plot. And this paper was written to give a training method for someone to create a work.1. A man (or woman) who wants to create literary works firstly collects a work that is his (her) most favorite or a work that has a strong influence on himself. And he (she) tries to abstract the work into some motifs.2. Thereafter he (she) must try to grasp a correlation of those motifs, to analyze a role and a function of each motif, and to comprehend a framework of the work as a whole. 3. Basic motifs of the work were abstracted successfully, he (she) tries to modify them by various ways and to construct a new plot that is another arrangement of basic motifs.This process which has been proposed above, the method which is to modify arrangement of basic motifs, is only one of many training methods to create literary works. What must become a hard core in studying by many effective training methods is to develop an appreciative eye. That eye must be able to see the power of plot and advance hints and to grasp many multiplicate points which give the work probability and necessity. 이 글은 文藝作品을 創作하려는 사람들에게 어떤 실효성 있는 構成 方法을 제시하려는 모색에서 출발한다. 構成 方法을 硏究해 보기 위해서는 잘 알려진 작품을 선정하여 모티프를 抽出해 보고, 작품 전체의 구성을 把握해 본다. 특히 각각의 모티프들이 기능하는 역할과 작품 전체에서 ‘葛藤’이나 혹은 ‘反轉’ 등의 구조 관련성 여부 등을 파악할 필요성이 있다. 기본 모티프를 나름대로 變形시켜 봄으로써 자신이 쓰고자 하는 소재를 그 기본 모티프에 適用하여 써보는 것이 구성 방법의 실제를 익히는 방법이 된다. 이런 과정을 통하여 기본 모티프를 사용한 다양한 구성 방법을 살펴볼 수 있다. 또한 모티프의 配列構造, 그리고 伏線의 적절한 장치 등이 작품에 蓋然性과 必然性을 만들어 주는 과정을 살펴보고, 그에 따라 주제 전달의 효과가 어떻게 달라지는지를 살펴보고자 한다.
가상 커뮤니티를 활용한 디자인 교육 방법에 관한 연구 : 인터페이스 디자인 수업을 중심으로 Focusing on Interface Design Instruction
김양호 청주대학교 학술연구소 2005 淸大學術論集 Vol.3 No.S
As Many things, especially the concepts and methods of design, designer's activity areas, were changed from the industrialization society to the information society, design education must be changed. By traditional methods of apprentice educational system centered campus, we have the limit of the space and the time in order to cope with the period change. Because the student himself must take and experience the many divers courses to collect and analysis and produce, publish the informations in video and multimedia course, it is necessary to make the many communication between the professor and the student than any other courses. Especially accepting the cyber communities enlarging insufficient time and space in classroom, we must adopt multimedia education system through the cyberspace in order to fulfill this educational demand. This study aims to lay out the education scheme by cyber communities to find out the effective method of design education, through analysing the merit and the relationship with the cyber education and communities, observing the transformation factor of design education's circumstance. For this purpose, this study will suggest the case, the planning and utilization of cyber communities in "Interface design" of junior class (college of Design, Chungju University, 2005), will be helpful to adopt the cyber communities for the design class. Up to now cyber education was performed in a compulsory communications. But cyber education based on communities drive the professor and the students to the efficient communications. The enlarging communications help to transform the design practice class based on technical skill to class based on planning. But the professor make himself to take efforts and try out for the appropriate utilization of cyber communities. It will substitute the cyberspace for the theoretical and technical class in design education, and the campus class, based on discussion about the variety topic and improving his own's project, will be helpful to produce the professional designer acquired through the pivotal knowledge and the experience.
발열 환자의 혈액배양으로부터 분리된 병원균의 항생제 감수성
김양호,성치남 순천대학교 기초과학연구소 1997 基礎科學硏究誌 Vol.8 No.-
Blood culture is an important procedure for the determination of etiologic agent of septicemia. Analysis of the blood culture, followed by identification and antimicrobial susceptibility of the isolates can provide clinicians very important criteria for the empirical treatment of patients. In this study blood culture was used as a diagnostic tool for the bacterial infection. The blood was collected from febrile patients at Chon Ju Presbyterian Medical Center form January, 1995 to December, 1996. Identification and antibiotic susceptibility of the isolates were carried out using automated Vitek system. Of the 12,706 specimens, 1,069 blood culture showed positive results of bacterial existence. Enterobacter cloacae was the most common agent of bacteremia and Coagulase Negative Staphylococcus(CNS) and Pseudomonas aeruginnosa were frequently isolated pathogens as well. While the isolation of Escherichia coli decreased over period, the bacteremia due to Pseudomonas aeruginnosa increased. All or most of the E. cloacae isolates showed susceptibility to cefriaxone, ciprofloxacin, cefotetan and imipenem. However, most of those strains were resistant to ampicillin, cephalothin and tobramycin. A large number of Staphylococcus aureus and CNS strains were susceptible to teicoplanin and vancomycin, but nearly all strains were resistant to pencillin-G. Rate of resistant strains in the latter was higher than in the former to cephalothin, gentamcin and oxacillin(methicillin).