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김정현,김태웅,김태공,전순미,최항묵 인제대학교 2002 仁濟論叢 Vol.17 No.1
소프트웨어 개발 방법론이 객체지향개발 방법론(OOD : Object Oriented Development)에서 점차 컴포넌트 기반 개발 방법론(CBD : Component Based Development)으로 변화되어 가는 추세이다. 경험이 많은 개발자에 의해 개발된 컴포넌트는 소프트웨어 재사용이 뛰어나고, 이미 많은 곳에서 사용 중이므로 안정성 및 신뢰성이 인정된다. 하지만 개발언어와 플랫폼의 특성에 따라 컴포넌트의 조합에 있어 어려움이 따른다. 이에 본 연구에서는 HTTP와 XML을 이용하여 개발언어와 플랫폼에 독립적으로 컴포넌트를 조합할 수 있는 방안에 대해 연구하고 기존의 컴포넌트에 HTTP와 XML을 이용한 컴포넌트 호출을 보인다.
김영진;김광우;김가덕;윤호성;김태공;서재현 인제대학교 2012 仁濟論叢 Vol.27 No.1
SLIS(Software License Integrated Solution) is composed of the 6 parts, Server Agent, Web Server, Client Agent, Client Manager, Service, and Install Shield. For the most part of the project is developed based on MFC platform except for the one, Client Manager, which is built on DDK(Driver Development Kit) and ASP. NET platform. Client Agent program installed on a customer's computer is implemented in 14 different classes. Its main function is able to limit and uninstall the purchased software by using teminateProcess. The purchased softwares expiration dates on customer's computer is being monitored by both Server agent and Client software itself. Client Manager hides the process of Client Agent program which shouldn't be killed by manipulating Process List in Kernel through DDK. To do this, Client Manager is internally implanted and registered in Windows Service to be ran as a part of windows system.
코드 스멜 탐지를 위한 AST 메타모델의 확장과 OCL 명세
김태웅,김태공,김경민 인제대학교 2009 仁濟論叢 Vol.24 No.1
Recently, refactoring has been largely used to increase the efficiency of software development and decrease its maintenance costs. It is prior to determine the improvements before applying refactoring for improving the design of legacy code. Regarding this issue, Martin Fowler and Kent Beck proposed bad smells in code that identifies the design problem. Thus, this study detects the code smells automatically. To do this work, this study transforms the source code to an XMI document based on EAST meta model, which is an extended model of AST meta model. And the code smells that was defined with a natural language are specified using the OCL. Furthermore, this study performs the detection in which the code smell will be specified by using OCL and verifies its applicability and effectivity.
재사용 S/W component 분류 방안에 대한 연구
김태공 인제대학교 1992 仁濟論叢 Vol.8 No.2
S/W reuse has never acquired real momentum in Industrial environments and s/w projects. One of these problems in s/w reuse is the lack of a set of reusable components despite the large amount of s/w that already exists in the portfolios of many s/w producers. The conventional method to identify reusable components from existing s/w is to use metric based classification tree. However, the criticism in metric based classification tree is that the performance of the classification tree is sensitive to the partition of metric value. Moreover, if metric value scale is not nominal type, we cannot determine the partition easily. In this paper we present new method identifying reusable components. The presented method solve the problem of metric based classification tree by applying artificial neural network. Index terms - s/w reuse, component, classification tree, metric, artificial neural network, scale
김정규;김형준;전용화;최병문;서재현;김태공 인제대학교 2012 仁濟論叢 Vol.27 No.1
In organization and company managing a lot of computers, it is difficult to manage the computer system, because it is not easy to recognize exceptions of distributed workplace such as departments and laboratories. Existing computer management systems control many computers through manager using server computer for management in field. Therefore they have the characteristic of strong locality. In this paper, we develop computer remote control system which supports convenient features and non-locality to managers by broadening effective ranges of computer management. We use Web-Site and Android Platform to develop the environment of client management regardless of multiple clients and locality. Moreover, we use WMI (Windows Management Instrumentation) to recognize and control the status of client PC without a impact on computer users.
김태공 인제대학교 1996 仁濟論叢 Vol.12 No.1
When we use customer oriented metrics in measuring software qualify characteristics, time and effort are consumed. If we use a prediction model of qualify characteristics, we can resolve this problem. Moreover we effectively control quality level described in software requirement specification. In this paper, we show that artificial neural network is useful for the prediction of software qualify characteristics. To show the usefulness, we empirically compare artificial neural network and preexisting analytic models by appling these two predictive modeling techniques to the prediction of software reliability. Index terms : quality characteristics, customer oriented metrics, prediction model artificial neural network reliability model
구조물의 연결부에서 전달함수합성법을 이용한 동응력 해석
김찬묵,공태식 국민대학교 생산기술연구소 2002 공학기술논문집 Vol.25 No.-
Researches on the FRF-based substructuring method have been mainly focused on vibratory response analysis. Present study is concerned about the application of the method to the dynamic stress analysis of a air-conditioner compressor mounting bracket in a passenger car. This is performed by using reaction forces that can be obtained by the FRF-based substructuring method. The air-conditioner system, composed of a compressor and bracket, is analyzed by using the FRF-based substructuring method. The experimental and numerical FRFs are combined to calculate the system responses and reaction forces at the connection point. The dynamic reaction forces plugged into the bracket FE model to compute the stresses of the bracket. Dynamic strains by the present method are compared with those from strain-gage test for bracket system on shaker. The comparison shows possibility of practical usage of the method for the real problem.
암모니아성 질소(NH_4^+-N)제거를 위한 제올라이트성 물질의 제조
류태공,류재춘,한명식,김철규,김영호,양현수 忠南大學校 産業技術硏究所 2002 산업기술연구논문집 Vol.17 No.2
The objectives of this study were to synthesize high ion-exchangeable zeolitic materials prepared from coal fly ash and to determine the adsorption capacities for the removal of NH_4^+4-N in wastewater For comparison. NH_4^+-N adsorption capacities of commercial, natural, and synthetic(4A type, Si0_2/Al_2O_3=1.98. Na_2O/SiO_2=1.54. H_2O/Na_2O=46.95) zeolites were investigated at the same condition. Zeolitic materials were prepared from coal fly ash by hydrothermal reaction with various NaOH concentrations at the reaction time of 4h and the reaction temperature of 100℃. It showed that the zeolitic material prepared at a 4M-NaOH concentration had the most NH_4^+-N adsorption capacity. Theremoval efficiency of NH_4^+-N on the zeolitic material was little difference compared with those on natural and commercial zeolites, though it was lower than that on a synthetic zeolite(4A type). As a result, it is expected that the prepared zeolitic material could be applicable to adsorbent for the NH_4^+-N removal in wastewater.