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吳英敏,朴勝祚,林哉明 동아대학교 환경문제연구소 1984 硏究報告 Vol.7 No.2
The object of this study was to discuss the usability of short-term BOD of organic industrial wastewater and it was able to determine BOD_(5). The samples were obtained from 17 factories including Food, Textile and Paper & Pulp industries. The linear regression equations that could determine BOD_(5) were as follows; Fig. 2 to Fig. 4
오영규,박재용,황승민,임민규,박재용,한석영 한국공작기계학회 2009 한국공작기계학회 춘계학술대회논문집 Vol.2009 No.-
This paper presents a reliability-based shape optimization (RBSO) using the evolutionary structural optimization (ESO). An actual design involves uncertain conditions such as material property, operational load and dimensional variation. The deterministic optimization (DO) is obtained without considering uncertainties related to uncertainty parameters. However, the RBSO can consider the uncertainty variables because it has the probabilistic constraints. In order to determine whether the probabilistic constraint is satisfied or not, simulation techniques and approximation methods are developed. In this paper, the reliability-based shape design optimization method is proposed by utilizing the reliability index approach (RIA), performance measure approach (PMA), single-loop single-vector (SLSV), adaptive-loop (AOL) are adopted to evaluate the probabilistic constraint. In order to apply the ESO method to the RBSO, a sensitivity number is defined as the change in the displacement. Numerical examples are presented to compare the DO with the RBSO. The results of design example show that the RBSO model more reliable than deterministic shape optimization.
이동 애드 혹 네트워크에서 QoS를 지원하는 AODV 라우팅 프로토콜
吳世德,趙榮泰,丁燦赫,金玄郁,李光培,姜景仁,朴京培,文泰洙,郭承郁,河載承 明知大學校 産業技術硏究所 2003 産業技術硏究所論文集 Vol.22 No.-
Abstract - In this paper, we propose a bidirectional mobile Ad Hoc routing protocol based on AODV(ad-hoc on-demand distance victor routing) with QoS(quality of service) support. At presence, wireless mobile communication focuses on how to efficiently support mobility of users more than QoS guarantee. However, in order to satisfy requirement of various applications which have been or will be served, QoS guarantee between end point is a very important issue. The existing AODV routing protocol is implemented to use only BE (Best Effort) service. However, actual wireless mobile environment requires to reduce a waste of communication resources and meet with the real-time change of data paths by setting up routes with QoS support, considering available communication resources at each node in advance. Therefore, in this thesis, we propose an adaptive QoS support method using hello message in order to rapidly meet with the change of available communication resources and to smoothly perform route maintenance. For performance evaluation, we analyzed the average date reception rate. At that time, we used evaluation parameters such as node's mobility -stop time, hello message period, and packet priority, considering the node's mobility and the number of best effort/QoS data flows. As results, we found that with our proposed method the average data reception rate was increased 16.3% for 0 mobility-stop second case and 4.7% for 300 mobility-stop second case.
건축설계 프로세스별 협력설계 의사결정 지원모델 구성 방안
오승준,신창현,이경국,전재열 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
In Korea construction project case, architectural construction project is curtailed production because information network process within multidisciplinary isn't smooth. Particularly, the construction is not insufficient about performance, cost and material, construction process, etc. in result various question arises because of design error in construction step. And various mistake is made because communication path within multidisciplinary isn't smooth in architectural design and design change process. Therefore The final object of this study is to propose the establishment method of decision support model for the cooperative design in order to provides improved design coordination and optimize the building system.
보호계전기 정정을 위한 Open Interface 개념의 사용자 환경 설계
吳成民,崔勉松,李承宰 明知大學校 産業技術硏究所 2004 産業技術硏究所論文集 Vol.23 No.-
KEPCO is using power system protection business developing PROSET2000 to computerize synthesis. This system is database and synthesis computing program that have correction automation program etc., for protective relaying business. PROSET2000's Human Machine Interface(HMT) that is designed by GOMS could not reflect justly user's requirement. Studied new design method of HMI for fast penumbra of user's requirement. Apply and designs Open Interface technique in view of software methodology to solve problem of performance of existent PROSET2000 system. System developer can receive optimum service by offering interface(Meta Interface) that user can exhibit on outside, and change achievement strategy etc., that must select according to circumstance among embodiment contents in case apply Open Interface technique. Could reflect requirement of PROSET2000 development time shortening and user fast by developing HMI to Open Interface concept. Can improve PROSET2000 performance by selecting Open Interface concept.
뇌경색을 동반한 Haemophilus parainfluenzae에 의한 감염성 심내막염 1예
오은영,배상수,정윤재,이창근,이혁,김성민,박승우,백경란,송재훈 대한화학요법학회 1998 대한화학요법학회지 Vol.16 No.3
저자들은 뇌경색을 동반한 H. parainfluenzae에 의한 심내마염을 ampicillin과 gentamicin의 병합요법으로 치료한 1예를 경험하였기에, 이를 문헌고찰과 함께 보고하는 바이다. We experienced a case of infective endocarditis due to Haemophilus parainfluenzae complicated by cerebral infarction. A 40 year-old woman was admitted because of right-sided hemiparesis and dysarthria, which was accompanied by high fever up to 40 C with chills. She had been suffering from low-grade fever and general weakness for one month prior to admission. Blood cultures grew H. parainfluenzae, and the brain CT scan demonstrated cerebral infarction of MCA territory. Transesophageal echocardiogram showed mitral valve prolapse with regurgitation, and no vagetation was found. She was successfully treated with ampicillin and gentamicin for six weeks. To our knowledge, this is the first case of infective endocarditis caused by H. parainfluenzae in Korea.
UML을 이용한 송전선로 보호계전기 정정프로그램 분석/설계
吳泰旭,崔勉松,李承宰 明知大學校 産業技術硏究所 2004 産業技術硏究所論文集 Vol.23 No.-
PROSET2000 that is integrated protective management system had developed and used in order to automate the setting process of protective relays in transmission system protection. PROSET2000 have database for relay setting and automated for relay setting program within. This paper proposed PCM current differential relay setting program point of Object Oriented Programming paradigm using Unified Modeling Language about additional relay in PROSET2000. Nevertheless each relay uses same current differential but setting method is different. This paper discribed different thing about setting method of each relay and evaluated more effective and corrective relay setting program using UML.