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강병주(Byung-Joo Kang),정우재(Woo-Jae Jung),이호선(Ho-Seon Lee),공동욱(Tong-Ook Kong),김재영(Jae-Young Kim),전정익(Jung-ik Chun),전종훈(Jong-Hoon Chun) 한국전자파학회 2020 한국전자파학회논문지 Vol.31 No.3
본 논문에서는 연직바람관측장비에 적용 가능한 64배열 능동위상배열안테나에 대한 연구 결과를 기술하였다. 주요 구성부인 위상배열안테나는 인접 안테나와 격리도를 개선한 Bended 다이폴 안테나의 형태이며, 시스템 파라미터 분석에 근거하여 64개의 단일 송수신 모듈을 설계하였다. 특히 단일 송수신 모듈은 위상 및 감쇄 제어 기능이 있어, 능동위상배열안테나의 핵심 역할을 한다. 이를 통해 개발된 64배열 능동위상배열안테나는 적합한 안테나 이득 및 빔폭 특성과 함께 전자적 제어에 의한 20° 빔 조향 각도에서 왜곡 없는 우수한 방사 특성을 확인하였다. 그러므로 본 논문에서 개발한 64배열 능동위상배열안테나는 연직바람관측장비 개발에 적용 가능함을 검증하였다. In this study, we demonstrate the results of a 64-array active phased antenna for radar wind profiler. The main part, the active phased array antenna, had the form of a bent dipole antenna with improved isolation from the adjacent antenna. Based on the system parameter analysis, 64 transmit/receive modules(TRMs) were designed. In particular, the TRMs have the function of phase/attenuation control, which plays a key role in the active phased array antenna. Measurement results of the 64-array active phased antenna, with a 20° beam steering angle with electronic control, showed the proper antenna gain, good beamwidth characteristics, and excellent radiation characteristics without distortion. These results indicate that the active phased array antenna can be applied to radar wind profilers.
건물 내 압전 에너지 하베스팅 시스템 설치 조건에 따른 보행에 의한 축전량 비교 분석
강병주(Kang, Byung-Joo),전규엽(Jeon, Gyu-Yeob),류지혜(Ryu, Ji-Hye),서윤규(Seo, Youn-Kyu),홍원화(Hong, Won-Hwa) 대한건축학회 2014 대한건축학회논문집 Vol.30 No.7
Due to increasing problem of depletion of traditional fossil fuel such as coal and petroleum alongside of effort to contral Carbon Dioxide gas emission, need of alternative energy becomes top priority. Amongst many alternative energy solutions, Piezoelectric energy harvesting system, transforming wasted kinetic energy such as pressure and vibration to electronic energy, became top research. Unfortunately, only research regarding battery efficiency in Piezoelectric energy harvesting system is widely conducted on. There are hardly any research regarding system installation in structure yet. Thus, this paper is conducted by Piezoelectric energy harvesting system and monitoring system installed in university building"s hallway and stairs with 50 of two different types of gender subjects. With gathered data from different accumulation of energy between modules, video analysis with footprint distribution ratio of subjects, this paper presents analysed data of different accumulation of electricity with differentiation of module install location along with aspect of accumulation of electricity. Also, this paper predicted the amount of generation of electricity in the same area through analysis of electricity accumulation based on distance between modules.
CBR+GA모델을 활용한 물량기반 철근콘크리트 골조공사비 산정 시스템 개발
강병주(Kang Byung-Joo),조재호(Cho Jae-Ho),이종식(Lee Jong-Sik),이재석(Lee Jea-Sauk),전재열(Chun Jae-Youl) 대한건축학회 2010 大韓建築學會論文集 : 構造系 Vol.26 No.3
Recently expanding market for largely scale construction projects, cost management of construction project have been increasingly recognized as an important factor responsible for the project success. But public organizations have been continuously operating the same methods as before in cost estimating, so it raise an issue of reliability for estimated cost. Therefore, this study present a highly reliable model that makes preliminary estimates based quantity data in early design stage. it enables engineers to efficiently manage total cost of project as well as partial cost estimating. This study develop a model of database that is created with historical data conducted by government offices. The model proposed can estimate a cost for RC Structure in schematic design stage, and it is applied to CBR+GA logics to explore best similar cases. In case of estimating methods used to previous research, it is based on actual cost data. Due to the cost estimating compensated by inflation rate vary in market economic conditions, it will follow as an inevitable consequence of reliability problem. It needs to find better way to ensure accuracy through quantity database. Also, This study has been conducted in attempts to verify the reliability of preliminary estimation. It is checked for the feasibility of presented model with P-National Tax Service Project aside from the database.
강병주(姜秉柱)(Kang, Byung-Joo) 일본어문학회 2011 일본어문학 Vol.53 No.-
韓國語と日本語の親族語が呼?として使われる樣相を見ると、同一の親族構成員であるにも關わらず、それぞれの言語社會が持っている特性によって、多樣な?異が存在する。本硏究は韓國語との對照を通して日本語の親族呼?語の特性を明らかにして、日本語の學習者の言語習得の助けとなればと考えるものである。 まず、親族呼?語の?系を構成する重要基準を整理し、韓國語と日本語の親族呼?語の實際の使用樣相についての對照を通して親族呼?を區分する重要基準の特性の把握を試みた。 日本語親族呼?語は韓國語と比較して話者の性別や相手の系統による細かな使い分けは發達していなかった。そして世代の區分のような親族?系上の基準よりは年齡や結婚の有無のような相手の個人の特性が親族呼?語の使用により深く關?していることがわかった。
강병주(Kang , Byung-Joo) 한국지역개발학회 2003 韓國地域開發學會誌 Vol.15 No.2
This study is concemed with the principles and standards on which the decision about the cost-bearing subjects in building public facilities, especially urban rlway transit project is bas어. The principles and standards are treated in the normative aspects of evaluating the equality or equity in public facility finance and some empirical cases are an머yzed in terms of financing the urban railway construction. The principal theses of this study are as follows; who should bear the cost of building public facilities in urban development projects?; which principles are the decision about the cost-charged subjects based on?; of what reasons are those principles justified?