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- 저자 : 임삼진(Sam-Jin Lim) (검색결과 7 건)
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임삼진(Sam-Jin Lim),이재훈(Jae-Hoon Lee),한성대(Sung-Dae Han) 한국철도학회 2012 한국철도학회 학술발표대회논문집 Vol.2012 No.5
지난 2004년 고속철도의 개통과 2005년 철도공사의 출범, 2011년 경부선 KTX 2단계 개통을 거쳐 철도는 변화에 변화를 거듭하고 있다. 저탄소녹색성장정책에 힘입어 녹색교통의 대안으로 철도가 부상함에 따라 철도에 대한 투자가 큰 폭으로 확대되었다. 본 연구의 목적은 철도산업 분야의 전문가를 대상으로 철도 산업의 전망과 과제에 대한 델파이 조사를 수행하여, 향후 철도산업의 전망을 예측하고, 철도 정책의 방향을 수립하기 위한 기초자료로 활용하고자 한다. Korea railway has changed through high-speed railway operation in 2004, the start of Korea Railroad Corporation(KORAIL) in 2005, and the opening of the second phase of KTX Gyeongbu line in 2011. With this, the investment on railway has highly increased with the rising of railway industry as an alternative to "Green Transportation". The purpose of this study is to prospect the railway industry by performing Delphi Technique on a study on the perspective of railway industry targeting railway industry experts, and to utilize as an basic material for the direction establishment of railway policies.
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한성대(Seongdae Han),임아름(Ahreum Lim),박준태(Jun Tae Park),임삼진(Sam Jin Lim) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.5
중동 철도시장은 오만을 시작으로 UAE, 사우디, 쿠웨이트 등 중동 전역으로 철도 프로젝트가 본격적으로 추진될 것으로 전망되고 있다. 중동 철도시장에서 한국의 철도산업에 대한 인지도는 아직 낮은 수준이다. 중동 철도프로젝트 규모는 1,000억 달러 이상으로 추정되고 있으며, 철도프로젝트 수주에 성공할 경우 국내 산업에 미치는 영향은 매우 긍정적일 것이다. 이에 본 연구에서는 중동지역의 철도산업 현황과 특성분석을 통해 효율적인 진출방향을 모색하였다. 시장성이 큰 것에 비해 아직 국내 업체들의 진출 실적은 그리 높지 않다. 중동지역 진출시 고려사항과 국내 기업의 진출 전략을 제시하였다. Starting with Oman, the rail project of Middle East region is prospected to be moved ahead throughout UAE, Saudi Arabia, Kuwait, etc. The awareness of Korea rail industry in Middle East isn’t strong enough yet. The scale of Middle East rail project is assumed over 100 billion USD, so the influence affecting Korea local rail industry will be very positive if awarding of rail project is succeeded. Hereupon, this study is carried out to find the effective direction through the present state and characteristic analysis in Middle East rail market. Even though the Middle East rail market is big and its value is high, the actual result of domestic companies isn’t so satisfying. The purpose of this study is to figure out considerations for expanding into the Middle East market and develop strategies for domestic companies.
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자동요금징수시스템(Hi-Pass) 이용률 분석을 활용한 추정모형개발
박준태(Park Jun-Tae),임삼진(Lim Sam-Jin),박제진(Park Jae-Jin),김태호(Kim Tae-Ho) 경기연구원 2013 GRI 연구논총 Vol.15 No.1
It is more important than demand forecasting on future users in order to continuously expand and supply ETCS (Electronic Toll Collection Systems) with the limited resources available at a suitable time and place. In order to forecast accurate demand, it is urgently needed to understand the pros and cons of analysis method actively and to develop demand forecasting models based on the complementary method about this. Therefore, this study have developed the newly estimating models of Hi-Pass utilization on the basis of reviewing various analysis methods and conducted a case study. And it suggested implications on the domestic future utilization of Hi-Pass. First of all, this study have developed and applied the estimation models of utilization, comprehensively taking into account in trend line analysis (a logistic model), a survey to set up the limitation (intention of purchase, Urban & Houser) and a case study on similar area (Japan) for establishing analysis method. In the future, utilization rate of approximate 60~69% is expected throughout the nation. And Honam head office is expected to have the highest percentage of around 62~70%. In accordance with these results, it is able to be realized that the domestic rate of increase will accomplish in 6 years and the utilization rate comes close to that of Japan where 8 years passed since it has introduced. Thus it comes to the conclusion that preparing facilities and operation strategy of demand on High-Pass is indispensible.
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박정상(Jung-Sang Park),박준태(Jun-Tae Park),김일권(Il-Kwon Kim),임삼진(Sam-Jin Lim) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.11
철도교통사고(railroad traffic accidents)는 열차 또는 차량의 운전에 의해 발생되는 열차사고(train accident), 건널목사고(level-crossing accident), 교통사상사고(traffic death and injury)로 구분되며 장기간 지속적 감소추세를 보이고 있다. 철도산업정보센터의 철도사고 통계자료를 활용하여 열차사고와 건널목사고의 발생빈도를 비교해보면 1990 년대 90%이상, 2000 년대 80%이상 건널목 사고빈도의 점유율이 높은 것을 알 수 있다. 본 연구에서는 건널목사고의 시계열적 특성을 살펴보고 단기예측 및 계절적 특성에 대해 살펴보았다. 분석자료는 과거 20 년간 집계된 건널목 사고빈도자료를 이용하여 월별발생 빈도와 계절적 빈도자료로 활용하였다. 분석결과 사고빈도는 계절형발생 특성을 보이며, 단기적 큰 감소추세를 보이지 않는 것으로 나타났다. Railroad traffic accident consists of train accident, level-crossing accident, traffic death and injury accident caused by train or vehicle, and it is showing a continuous downward trend over a long period of time. As a result of the frequency comparison of train accidents and level-crossing accidents using the railway accident statistics data of Railway Industry Information Center, the share of train accident is over 90% in the 1990s and 80% in the 2000s more than the one of level-crossing accidents. In this study, we investigated time series characteristic and short-term prediction of railroad crossing, as well as seasonal characteristic. The analysis data has been accumulated over the past 20 years by using the frequency data of level-crossing accident, and was used as a frequency data per month and year. As a result of the analysis, the frequency of accident has the characteristics of the seasonal occurrence, and it doesn’t show the significant decreasing trend in a short-term.
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PLS구조방정식 모형을 활용한 교통문화지수의 영향관계 실증연구
김태호 ( Tae Ho Kim ),신예철 ( Yea Cheol Shin ),임삼진 ( Sam Jin Lim ),박준태 ( Jun Tae Park ) 한국안전학회(구 한국산업안전학회) 2013 한국안전학회지 Vol.28 No.2
The traffic culture index is used as a major index in evaluating the traffic safety services of local governments and also serve as important data for the planning and implementation of traffic safety services. However, as the traffic culture index gradually became a standard for comparison among local governments, in part, certain cases arose which questioned the grounds for selecting variables for the index and the validity of the index in terms of its influential relationship between evaluation items. This study analyzed the index`s influential relationship by utilizing a PLS structural equation model based on the evaluation results of the 2011 traffic culture index. A variable-linking model was created which recognized the relativity taking into account of the indirect effects between latent variables and this model was proven to be a model suitable in explaining the traffic culture index with a 97.8% explanation power. It was found that traffic safety (0.530), driving behavior( 0.527), pedestrian behavior(0.187) and vulnerable road users(0.147), in such order, had an effect on the traffic culture index. It was also found that human casualties due to traffic accidents under “traffic safety” and traffic light compliance rate under “driving behavior” had an important effect. The study showed that motor vehicle share in illegal parking in school zones did not have a valid explanation power regarding “vulnerable road users”.
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