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분산객체 시스템에서 비동기 통신을 제공하기 위한 Java RMI 비동기 이벤트 전달 시스템 설계
윤태진 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(C)
Many methods have been proposed to provide asynchronous communication in distributed object system. But these methods are not compatible with Java RMI. we design and implement asynchronous event delivery system on the basis of Java RMI. It delivers events from Supplier to Consumer directly through Event Channel without consumer's request. Event channel includes proxies, and they make Consumer and Supplier object implemented independently. This system filters events by supplier identification, and eliminates supplier blocking by filtering module which implemented with Java thread and Thread Pool. We also define event information as class, and Java Serialization technique is used to deliver events efficeiently. The proposed system is compatible with Java RMI.
윤태진,한찬호,장주석 경운대학교 산업기술연구소 2002 産業技術硏究論文誌 Vol.5 No.1(B)
Web meta search engine has user interface consistents, but it has serious problem to concentrate network load on meta search engine server. In this paper, we have suggested client based web meta search engine architecture and implemented it to solve the problem and enhance performance of meta search engine. It substitute client based web meta search engine for the function of meta search engine. Thus, client based search engine solves network connection problem and reduces transfer time of query forms and search results.
윤태진,장주석 경운대학교 산업기술연구소 1999 産業技術硏究論文誌 Vol.2 No.1
Improved state skip technique is purposed to obtain high fault coverage with low hardware overhead via state skip. With improved state skip technique, a state is jumped to the first pattern of group that detects the more faults rather than a state which has minimum hamming distance. Improved state skip technique reduces the total number of state skips for obtaining high fault coverage and consequently reduces total hardware overhead compared with traditional state skip techniques. Experimental results show that total hardware overhead is reduced.
윤태진 단국대학교 1999 論文集 Vol.34 No.-
The objective of this study is to find out how imported television programs influence the existing relationship between the two countries: more specifically, how Amercian-made programs aired in Korea portrayed the U.S.A. and the international order in 1980s. I analyzed three popular programs: CHiPs, MacGyver, and the A-Team. Attention was given to two significant concepts, 'violence' and 'justice'. For the analysis, I borrowed from Chatman the idea of 'story analysis', which is to gather, describe, and analyze the historical and spatial settings of the show, characteristics of leading roles, and the repeated themes of the show. All three programs emphasize the social justice: but when it extends to international justice in MacGyver and the A-Team, it represents the superiority of the U.S.: political, economic, and moral superiority. Violence is replaced with authority and speed in CHiPs, and with knowledge and skills in MacGyver. In the A-Team, however, violence is justified as a necessity to achieve the justice, which is sometimes international justice judged by Americans' value. The Korean audiences learned not only the leading characters and typical narrative structures of the three programs analyzed, but also the narure of America and the international order. Furthermore, the programs offered American viewpoint to look at social and cultural activities. They also delivered the idea of ststus-quo, which could be applied to international relations as well as social structure. Ultimately, they had Koreans to take the current U.s.-led international order for granted.
尹太進 慶尙大學校 1996 論文集 Vol.35 No.1
Background: Vitiligo is an acquired, often disfiguring skin disease characterized by the loss of melanin, which results in depigmented areas of the skin. Other studies on clinical manifestations of vitiligo have not performed in western gyeongnam province. We investigated clinical aspects of vitiligo in Korea. Objective: This study was basde on the avalysis of 333 cases of vitiligo patients between July, 1987 and August, 1995 at the Department of Dermatology, Gyeonsang National University Hospital. Results: The results are summarized as follows: 1. There were 159 males and 174 females. The mean age at the first visit was 27.4 years, and the mean age of onset was 25.7 yeras. The duration of the disease was less than 3 years in 238 patients(71.5%) 2. The most common type of vitiligo was the localized focal type(54.1%). The most common site of initial involvement was the face(30.6%), and the distribution of lesions was most common tn the face(24.3%). The most common degree of depigmented lesion was less than 5% of the body surface area(34.5%) 3. The most common precipitating factor was trauma(9.6%). Associated diseases were alopecia areata(11 cases), halo nevus(7 cases), psoriasis (2 cases), diabetes melitus(2cases), and thyroid disease(2 cases). Family history was present in 19 patients(5.7%) 4. The most common previous treatment was sun exposure after oxsoralen application (27.2%) Conclusions: We investigated the clinical aspects of 333 vitiligo patients in our clinics and made a comparative study. These data will be available for the study of vitiligo patients in our clinics and made a comparative study. These data will be available for the study of vitiligo in the future.
윤태진 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(A)
Such Distributed object technology as CORBA, DCOM, and Java RMI do not improve directly the reliability of distributed application. it require replication group management of object unit and fault detection and recovery mechanism that distributed object technology has fault tolerance. In this paper, we design group manager and remote interface, and define a fault-tolerant class to develop the fault-tolerant Java RMI object. In order that a fault-tolerant class participate transparantly in a group, we should expend the naming class and RMIRegistry. Because of inheritance from a fault-tolerant class, a application developer can make easily fault-tolerant application object without any other service assistance.
디지털회로의 효율적인 지연결함시험을 위한 경계면 스캔 구조
윤태진,장주석 경운대학교 산업기술연구소 1999 産業技術硏究論文誌 Vol.1 No.1(B)
In this paper, we analyze the problems of conventional and previous method on delay fault test architecture and test procedure on boundary scan. To solve them, we propose new delay fault test architecture, and one common test procedure. Previous method has an inefficient test procedure, and hardware overheads on the rate of the number of CUT(Circuit Under Test)s signal lines. The DFTArch(Delay Fault Test Architecture), we proposed, is to detect the delay defect of 0.5 Ttck size, and have a fixed small amount of hardware overhead. And The method is to test as 2 times faster than previous. The simulation results ascertain the correct operation and effectiveness of the proposed architecture and test procedure.