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M&S를 이용한 사격통제 시스템의 설계검증 및 성능분석에 관한 연구
윤동식,김천환,임영택,배윤지,Yun, Dong Sik,Kim, Chon Hwan,Lim, Young Taek,Bae, Yoon Ji 한국시스템엔지니어링학회 2009 시스템엔지니어링학술지 Vol.5 No.1
Gun fire solution computed in ballistic computing unit (BCU) needs to evaluated before applying in real fire. In this paper, ballistic performance analysis method is studied for reasonable prediction or hit probability with ballistics error presentation on hitting plane. Also Gun fire solution using interacting multiple model (IMM) algorithm is analyzed through proposed method.
일본 도시형 컴팩트 아파트의 상품기획 및 계획상 특징에 관한 연구
윤동식(Yoon, Dong-Sik) 한국실내디자인학회 2010 한국실내디자인학회논문집 Vol.19 No.5
The urban style compact apartment which appeared at the end of 1990’s was developed by the decrement of household members and in compliance with a new life style. Now it has its own market as a new trend. The purpose of this study is to better understand the characteristics of urban style compact apartments based on an analysis of apartments actually sold on 2008, in order to reflect on the future directions and developments. To support a comprehensive analysis, this study considered three types of compact apartments developed by : a. major developers which own multiple well-recognized brand names, b. mid-size developers under general brand names, c. new or small-size developers specializing in compact apartments. The results from 21 urban style compact apartments could be summarized as follow; 1. Most buyers are singles or DINKs. The single women occupy a large percentage. 2. Condition of good location is under 5 minutes walk to station and accessibility to 2 and more station. 3. Exterior of building should be harmonious to surrounding and simple, the atmosphere of entrance hall should be warm and relaxed. 4. The spatial character of unit plans are developed by the ways of connecting spaces; 1) Connecting spaces by mobile partition: flexible spaces with expansion 2) Connecting spaces by hall: well arranged spaces with excursion and extends 5. The equipments of kitchen and security are fully carefully planned.
확장성 높은 웹 기반 실시간 비디오 스트리밍을 위한 플랫폼 구조 설계
윤동식 ( Dong-sik Yoon ),김성환 ( Seong-hwan Kim ),최규범 ( Gyu-beom Choi ),윤찬현 ( Chan-hyun Youn ) 한국정보처리학회 2015 한국정보처리학회 학술대회논문집 Vol.22 No.1
Web Real-Time Communication(WebRTC) 기술은 웹 기반으로 실시간 스트리밍 서비스를 제공하기 위해 쓰이는 기술이다. WebRTC 기술은 인터넷 상의 두 컴퓨팅 노드 사이의 Peer-to-Peer RTP 연결을 가능케 함으로써 상호간 실시간 스트리밍을 가능케 하지만 컨퍼런스 시스템과 같이 다수의 노드가 통신에 참여하는 경우 네트워크 연결은 메쉬 토폴로지의 형태로 구성되어 대역폭의 한계로 확장성에 제한이 존재한다. 따라서 본 논문에서는 인코딩과 먹싱을 통해 다중 노드간의 통신을 중계를 지원하는 Multipoint Control Unit(MCU)과 MCU 사이의 클러스터링, 그리고 클라우드 플랫품을 통해 확 장성 높은 실시간 스트리밍 서비스를 지원하는 플랫폼 구조를 설계하고 그 예제를 보인다.
윤동식(Yoon Dong-Sik) 대한건축학회 2008 대한건축학회논문집 Vol.24 No.8
There are the element of Beaux-Arts tradition such as axis, symmetry and centricity and the element of modernism such as spatial composition with grid and off-axis existed altogether in Louis Kahn's Architecture. Since they are perceived to be contrary to each other, the purposes of this study are to re-analyze Louis Kahn's Architecture and to prove the visual and perceptional effect caused by off-axis strategy. The off-axis in approaching stage consists of off-axis in the path of flow and entrance. This off-axis strategy rotates, magnifies the visual angle of a building and forms the whole image of building from the overlaps of partial images. The observer recognizes the real existence of building differently by following these steps with his/her will This is one of the common characteristics in Louis Kahn's Architecture.
조류 인플루엔자와 구제역 바이러스 차단방역을 위한 미산성 차아염소산수의 소독 조건
김진윤,윤동식,이화용,정우석,박승춘,Kim, Jin-Yoon,Yun, Dong-Sik,Lee, Haw-Yong,Jeong, Woo-Seog,Park, Seung-Chun 대한수의학회 2019 大韓獸醫學會誌 Vol.59 No.2
This study examined the disinfection conditions (exposure time, 0-30 min; exposure temperature, $4^{\circ}C-65^{\circ}C$) of hypochlorous acid water (HOCl) in automobile disinfection equipment. The study tested poliovirus type 1 (PV1), low pathogenic avian influenza virus (AIV, H9N2), and foot and mouth disease virus (FMDV, O type). As a result, the PV1 and FMD viruses were inactivated easily (virus titer 4 log value) by HOCl (> 100 ppm) but the AIV required higher exposure temperatures (> $55^{\circ}C$). In conclusion, the exposure temperature and time are important factors in deactivating AIV and FMDV.