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임준범 ( Joon Bum Lim ),이수범 ( Soo Beom Lee ),성정곤 ( Jung Gon Sung ),박준태 ( Jun Tae Park ) 한국안전학회(구 한국산업안전학회) 2012 한국안전학회지 Vol.27 No.4
This research has analyzed factors affecting customers` satisfaction when they use parking lots of big retailers so that, in case of constructing, operating or managing such retailers, proper measures can be come up with. The analysis has been implemented on the basis of survey, and influence factors including entry/exit lamp, parking cars`` traffic flow, parking type, pedestrians`` movement after parking and safety. Parking lot users`` satisfaction has been analyzed by using the Structural Equation Modelling and, as a result of it, in case of a detached or single building, pedestrians movement flow after parking contributed the most to the users`` satisfaction, while, in case of multipurpose complex, parking cars traffic flow has the most influential factor. It is interpreted that users of a single building put a bigger emphasis on entry to the shop and their way back to the parked area after their shopping while customers of multipurpose complex might have various purposes of visiting the place and there are relatively more cars so that they put more emphasis on traffic counterflow, other cars and pedestrians.
항공기 레이다를 이용한 지면클러터 반사계수 계산 방법과 모의 지면클러터 신호 생성 모델 개발
김태형(Tae-Hyung Kim),전형원(Hyeong-Won Jeon),박성호(Sung-Ho Park),박준태(Joon-Tae Park),정채현(Chae-Hyun Jung),박준현(June-Hyune Park),배준형(Junhyeong Bae) 한국전자파학회 2021 한국전자파학회논문지 Vol.32 No.6
항공기 레이다를 항공기에 적재하여 획득한 실제 항공기 항법 정보 및 레이다 빔 조향 정보 등을 이용하여 지상과 해상클러터 반사계수를 계산하는 방법과 항공기 레이다의 모의 지상/해상클러터 신호를 생성하는 모델을 제시한다. 해상 및 지상지역에서 항법 및 레이다 운용 정보와 지상/해상클러터 신호를 획득하였고, 제시한 방법으로 계산한 지상/해상클러터 반사계수 값을 기존 연구의 지상/해상클러터 반사계수 모델의 값과 비교하였다. 그리고 제시한 모의 지상/해상클러터 신호 생성 모델로 생성한 지상/해상클러터 신호와 비행시험을 통해 획득한 실제 지상/해상클러터 신호를 비교하여 제안한 모의 지상/해상클러터 신호 생성 모델의 유효성을 확인하였다. We present a ground clutter reflectivity calculation method and a signal generation model of the simulated sea/land clutters of airborne radars using real navigation and radar operation information. The navigation and radar operation information were obtained by loading airborne radar on aircraft. The real navigation information and real sea/land clutters were obtained in the sea and land regions, and sea/land clutter reflectivity values calculated using the presented method were compared with the values of sea/land clutter reflectivity models of earlier studies. We confirmed the validity of the proposed sea/land clutter generation model by comparing real and simulated sea/land clutters.
버스전용차로 구간 유형별 버스사고영향요인 분석 기초연구
박준태 ( Jun Tae Park ),김현진 ( Hyun Jin Kim ),김정열 ( Jung Yeol Kim ),장일준 ( Il Jun Jang ),임준범 ( Joon Bum Lim ) 한국안전학회(구-한국산업안전학회) 2012 한국안전학회지 Vol.27 No.3
Various social problems such as traffic congestion, car accidents and environmental problems(air pollution, noises etc.) have been happening in the Seoul metropolitan area that has the car oriented traffic system providing cars continuously. Along with this, the financial burden caused by current oil price anxiety made paradigm shift from caroriented to public transportation-oriented. Its typical example is an arterial· branch bus system changing(bus lane through the center of main road) started in Seoul in July, 2004. But study on safety analysis of bus lane and characteristic of accidents are not sufficient enough to now. The bus lanes are expanded to provide roads for better traffic operation and accidents between buses and pedestrians or ordinary vehicles are considered main problems. This study divided each bus route of median bus lane(bus-only lane through the center of main roads) and bus lane at roadside by intersection and collected and analysed data about influence variables of bus accidents chosen in each section. We constructed a logistic model using collected data. As a result, bus lane at roadside are used by both buses and other kinds of vehicles differently from median bus lane and showed such characteristic in accident influence. Therefore access management to factors causing conflict and improvement of operation management are required. In case of median bus lane, the more buses moving general vehicle lane and traffic volume of section were, the more accidents happened. In case that stop line of center lane is not backward, view blocking of vehicles turning left caused accidents
교통안전분야 : 운전자 주행특성 분석을 통한 도로 안전성 평가에 관한 기초연구
임준범 ( Joon Bum Lim ),이수범 ( Soo Beom Lee ),박준태 ( Jun Tae Park ),박진호 ( Jin Ho Park ) 한국안전학회(구 한국산업안전학회) 2011 한국안전학회지 Vol.26 No.5
In this study, to investigate the dangerous driving on the curves, a driving test was performed in 10 km from Jinan and to Jeonju(Bugui Gas Station~Whasim Intersection), on the national highway No. 26. For the dangerous driving felt by the driver when a driver is driving on the curves, lateral acceleration and yaw rate were analyzed. And then, the reference value of lateral acceleration and yaw rate was computed. Through observing the driving speed and the characteristics of ordinary drivers using the applicable roads or following them as they drive, the driving test was performed again and the section exceeding the reference value set as above was computed. On the dangerous driving area, exceeding the reference value, total 10 accidents took place from 2006 till 2010, and slipping caused by speeding accounted for more than 70% of the accidents. It was concluded that the result of an analysis through recording drivers` driving characteristics, was reliable.
Open Source WordPress의 인식과 가능성에 관한 연구
윤경섭(Kyung Seob Yoon),박준태(Joon Tae Park),임동혁(Dong Hyeok Im) 한국컴퓨터정보학회 2013 한국컴퓨터정보학회 학술발표논문집 Vol.21 No.2
최근 OS와 개발 정보에 대한 일반 사용자들의 접근성이 좋아지면서 오픈소스(Open Source)와 관련 툴들이 각광 받고 있다. 이러한 툴 중 많은 사람들이 사용하고 있는 블로그 개발 툴의 하나인 워드프레스(WordPress)는 다양한 프로그래밍 언어와 플랫폼(platform), 브라우저(browser)에 구애 받지 않고 강력한 기능을 제공함으로써 web과 관련하여 이용 빈도가 늘어나고 있다. 따라서 본 연구에서는 오픈 소스 툴 중 하나인 워드프레스의 기능성을 중점적으로 서술하고 일반 사용자가 워드프레스를 사용할 때 가장 큰 어려움이 무엇인지 짚어보고 문제에 대한 해결책을 제시한다.