보안성향상과 네트워크 부하감소를 위한 Jini 기반 SNMP 시스템 설계 및 구현

윤태진,박양우,한찬호 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(B)

Web-based SNMP and CORBA-based SNMP have been studied as a standard of network management technology in distributed environment. Jini can be used to build robust and reliable networks without modification to any platforms as network plug & play protocol. In this paper, we design and implement Jini-based SNMP system. This system has manager, agent, and lookup service, and communicates each other via Java RMI. The manager supervises networks by user interface component, the agent takes a various task of network management, and the lookup service links manager to agents dynamically. Security and portability are enhanced using JAVA, and communication overheads can be decreased by excluding pollings of servers.

순환 BIST를 위한 개선된 상태 천이 기법

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.

클라이언트 기반 지능형 웹 메타 검색 에이전트

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.

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.

고장 감내 자바 RMI 객체 설계 및 구현

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.

디지털 회로의 결함 검출률을 높이기 위한 회로분할

윤태진 경운대학교 산업기술연구소 2000 産業技術硏究論文誌 Vol.3 No.1(A)

Most of digital circuit include undetectable faults from the structure of it's redundant, fan-out-reconvergent, and symetrical feature. In this paper, we propose the BPT algorithm to enhance the fault coverage for combinational logic circuit partitioning. the combinational logic circuits are partitioned by cutting off lines related to undectable faults when seperationg. Controllability and observability are considered in the BPT algorithm. This algorithm is evaluated by testing ISCAS85 circuits with the FM algorithm. We meet good results that the BPT algorithm decrease UDF more than the FM algorithm.

다중 보드 시스템 테스트를 위한 시스템테스트버스 제어기 설계 및 구현

윤태진,한찬호,장주석 경운대학교 산업기술연구소 2002 産業技術硏究論文誌 Vol.5 No.1(B)

The IEEE 1149.5 Standard MTM (Module Test and Maintenance) Bus standardized a serial, backplane bus for use in test, diagnosis, and maintenance of electronic subsystems and, modules. The salve module interface circuits for MTM bus protocol are implemented to test modules that have IEEE 1149.1 boundary-scan architecture. this interface has a boundary-scan interface and a demultiplexer for selecting boundary-scan chain. In this paper, the testable module is tested in chip functions and interconnects using the slave module interface. It contains boundary-scan path added 4 bits ALU and 8 bits register. A test procedure on it is proposed and simulated. The interface and the test procedure are verified by simulated result.

집단콜라주 미술치료가 단순 언어장애 아동 어머니의 양육스트레스에 미치는 효과

임진섭, 김태형, 이윤정 培材大學校 人文科學硏究所 2018 人文論叢 Vol.35 No.-

본 연구는 집단콜라주 미술치료가 단순 언어장애 아동 어머니의 양육스트레스에 미치는 효과를 검증하기 위하여, 창원시 D아동청소년 발달센터 게시판을 통해 모집한 23명의 모집 공고 대상자 중 면담을 통해 연구 참여 희망자 12명을 선별하여 실험집단 6명과 통제집단 6명, 총12명을 선정하였다. 실험집단에는 2014년 7월부터 10월까지 사전·사후검사를 포함한 총 12회기의 집단콜라주 미술치료를 실시하였다. 집단 간 동질성을 알아보기 위하여 맨 위트니 유 검정(Man-Whitney U Test)을 실시하였으며, 이후 사전·사후 차이를 확인하기 위해 윌콕슨의 결합-조-기호-순위 검정(Wilcoxon Matched Pairs Signed Rank Test)을 실시하였다. 연구결과 집단콜라주 미술치료는 단순 언어장애 아동 어머니의 양육스트레스를 감소시키는 것으로 나타났으며 효과적인 방법임이 검증되었다. This study's purpose is about the effect of the collage art therapy which was implemented for mother for children with specific language impairment. For this study, 12 Mothers with simple language impaired children who used Development Center of the Children's youth in Chang-Won and they were chosen to the participants for this study and divided into an experimental group and control group, whit 6 in each group. This collage group art therapy Program Over 12 session from July 2014 until October. We conducted Man-Whitney U Test to evaluate the homogeneity between groups and Wilcoxon Matched Pairs Signed Rank Test to check for pre and post differences. In conclusion, the findings suggest that the group art therapy has a positive effect on the reduction of mother's child-rearing stress and can be a effective approach to improve parenting stress of mother with simple language impaired children.

일측성 질폐쇄 및 동측 신장 무발생을 동반한 중복자궁 2예

윤일영,여소진,김형문,김정식,김태희,이해혁,남계현,이권해,김준모,김민의 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

Uterus didelphys with unilateral obstructed hemivagina and ipsilateral renal agenesis usually presents after menarch with progressive abdominal pain during menses secondary to hematocolpos, and indeed a very rare congenital anomaly due to Mullerian duct malformation. An accurate and prompt diagnosis is of importance to permit treatment and to assure the future fertility of the patient. Pelvic ultrasound, physical examination and pelvic MRI established a diagnosis of hematometracolpos secondary to uterus didelphys with unilateral imperforate hemivagina. An incision in the vaginal septum allowed drainage of the hematocolpos, providing relief of the patients symptoms. We report two case of uterus didelphys with obstructed hemivagina with brief review of the literature.