• 한국산업정보학회논문지
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• 제16권5호
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• pp.197-205
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• 2011

교통체계지능화사업은 교통, 정보통신, 토목 등 다양한 분야의 기술과 시스템을 다루는 복합사업으로 전문적인 관리활동이 요구된다. 그러나 사업관리와 감리 간의 업무구분이 명확하지 않아 부실시공 등의 문제 발생시 책임소재를 규정하기 어렵다. 따라서 본 연구에서는 교통 체계지능화사업 추진의 효율성 제고를 위해 교통체계지능화사업의 특성에 맞는 사업관리 및 감리 제도를 마련하는데 그 목적을 가지고 있다. 이에 따라 본 연구에서는 교통체계지능화사업의 사업관리 및 감리의 대가 기준 마련을 위해 비선형 회귀모형과 같은 통계적 모형을 적용하였으며 현실적으로 타당성이 크다고 판단되는 모형을 선정하고자 한다.

• 한국산업정보학회논문지
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• 제14권3호
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• pp.58-75
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• 2009

최근 국가 연구개발 과제의 성과물에 대한 실용화 또는 상업화 강화가 중요한 이슈로 떠오르고 있으며, 기술 실용화 관점에서 연구개발 과제를 체계적으로 관리할 수 있는 지원 도구에 대한 필요성이 높아지고 있다. 기존의 기술준비수준 모델은 기초 연구부터 실용화까지의 기술 개발 수준을 9개의 수준으로 나누어 각각의 수준에 대한 기준을 제시해 줌으로써 과제 관리를 위한 유용한 도구로 활용되어 왔다. 그러나 이 모델은 기술준비수준의 평가가 전문가에 의해 이루어져야 하며 구체적인 평가지표도 제시되어 있지 않기 때문에 다수의 과제로 구성된 국가 연구개발 사업에 적용하기에는 어려움이 있다. 따라서 본 연구는 델파이 기법을 활용하여 기존의 기술준비수준 모델을 대규모 국가 연구개발 과제에 적용할 수 있도록 각 수준에 대한 정의와 각 수준의 달성 여부를 결정하는 평가지표를 제시하였다. 본 연구에서 제시된 기술준비 수준 모델은 각 수준에 맞는 구체적인 평가기준을 제공함으로 대규모 국가 기술개발 과제의 연구개발에서 실용화까지의 전 과정을 관리하기 위한 도구로 적절하게 활용될 수 있을 것으로 기대한다.

• 국제학술발표논문집
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• The 9th International Conference on Construction Engineering and Project Management
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• pp.823-830
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• 2022

The risk of project execution increases due to the enlargement and complexity of Engineering, Procurement, and Construction (EPC) plant projects. In the fourth industrial revolution era, there is an increasing need to utilize a large amount of data generated during project execution. The design is a key element for the success of the EPC plant project. Although the design cost is about 5% of the total EPC project cost, it is a critical process that affects the entire subsequent process, such as construction, installation, and operation & maintenance (O&M). This study aims to develop a system using machine-learning (ML) techniques to predict risks and support decision-making based on big data generated in an EPC project's design and construction stages. As a result, three main modules were developed: (M1) the design cost estimation module, (M2) the design error check module, and (M3) the change order forecasting module. M1 estimated design cost based on project data such as contract amount, construction period, total design cost, and man-hour (M/H). M2 and M3 are applications for predicting the severity of schedule delay and cost over-run due to design errors and change orders through unstructured text data extracted from engineering documents. A validation test was performed through a case study to verify the model applied to each module. It is expected to improve the risk response capability of EPC contractors in the design and construction stage through this study.

• 국제학술발표논문집
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• The 2th International Conference on Construction Engineering and Project Management
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• pp.662-671
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• 2007

Since variety of construction projects with their individual specifications could be handled through different procurement systems, selection of the most appropriate project delivery system is a vital step towards more efficient project execution. The appropriate selection of project delivery system may also ensure more competent management of the project. Its impacts are not only limited to the first stages of the project, as it could also influence pre-construction, construction and operational phases of the project. Among different approaches exerted for this purpose, none has taken uncertainty into account, despite the fact that during first stages of the project most of the selection factors are still uncertain and not clearly defined. This paper, hence, aims to provide a fuzzy insight into the project delivery system selection. Through this approach more tangible model of the evaluation process may be presented. Proposed fuzzy method is indeed a multi criteria decision making model, based on the group of criteria, assigned for the evaluation procedure. A case study is also conducted, based on the opinion of an invented group of the experts.

• 국제학술발표논문집
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• The 3th International Conference on Construction Engineering and Project Management
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• pp.1404-1409
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• 2009

These days, the extension and complication of construction project has attached greater significance to IT system for effective project management. Construction companies inside the country have established IT system, but the fact is that they are not up to the expectations of investment provision, and the absense of objective and strategy about project management information system makes its efficiency doubtful. The research, from the point view of construction company, makes an estimate of indefinite future, and presents the process of making out IT system roadmap as a long-term strategy in building IT system.

• 한국건설관리학회논문집
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• 제8권1호
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• pp.124-131
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• 2007

공정관리는 일정 계획에 따라 공사의 진도를 관리하는 것뿐만 아니라 프로젝트를 주어진 공기 내에 완성하기 위하여 시공 방법 및 계획을 마련하고 이에 따른 장비, 자재, 인원 등에 대한 계획을 수립하는 것을 포함한다. 본 연구는 실제 고속도로 건설공사 중 포장공정의 계획 수립에 있어서 린 콘크리트 포장작업과 콘크리트 슬래브 포장작업을 대상으로 시뮬레이션 모델을 개발하고 이를 이용하여 공정계획을 수립하는 방안을 제시하고 있다. 또한, 시뮬레이션 모델을 이용하여 수립된 계획과 해당 현장의 기존 포장공정 계획을 비교함으로서 비용과 공기 측면에서 보다 생산적이고 효율적인 대안의 수립에 시뮬레이션 기법이 효과적인 방법론이 될 수 있음을 보여 준다. 결국, 본 연구를 통해 건설공사의 시공 계획을 수립하는 초기단계에서 시뮬레이션 모델을 구축하여 체계적이고 과학적인 분석을 수행하게 되면 보다 효율적이고 생산적인 건설공정 계획 및 관리가 가능하다는 사실을 확인하고 있다.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2008년도 추계학술대회 논문집
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• pp.524-528
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• 2008

The HEMU-400X(High-speed Electric Multiple Unit 400km/h eXperimental) project starts in 2007. It is required to analysis and simulate the train performance throughout the project life cycle for a successful completion of the project. This paper is devoted to the development of a train performance analysis model for the high-speed electric multiple unit 400km/h experimental. The model consist of running resistance model, train model, traction model and braking model. So, this paper represents the results of the train performance analysis.

• 국제학술발표논문집
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• The 5th International Conference on Construction Engineering and Project Management
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• pp.163-168
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• 2013

A construction workspace is considered as a critical factor to secure constructability and safety of a project. Specially, optimized size of each workspace helps to minimize any conflicts between workspaces, works and resources within a workspace in the construction site. However, since an existing method for making a decision workspace's size depends on generally experiences of managers and work conditions of activity, it is difficult to perform safe works considering feasible workspace size. The workspace size is changed according to the quantity of resources allocated into each activity as time progresses. Accordingly, it is desirable that optimized workspace size considering input size of resources is determined. To solve these issues, this study configures an optimized model for deciding standard size of workspaces by simple regression analysis and develops a visualized scenario model for simulating the optimized workspace shape in order to support BIM (Building Information Modeling) environment. For this, this study determines an optimized resource shape size considering maximum working radius of each resource and constructs its visual model. Subsequently, input size of resources for each activity is estimated considering safety execution area of resources and workspaces. Based on this, an optimized 3D workspace shape is generated as a VR simulation model of a BIM system based on the suggested methodologies. Moreover, operational feasibility of the developed system is evaluated through a case study for a bride project. Therefore, this study provides a visualized framework so that project managers can establish an efficient workspace planning in BIM environment. Besides, it is expected that constructability, productivity and safety of the project will be improved by minimizing conflicts between workspace and congestions between resources within a workspace in the construction phase.

• 한국농공학회논문집
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• 제50권6호
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• pp.83-91
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• 2008

This study grasped problems and properties of rural tourism through Cooperative Tourism Development Model Project, so it provided to develop network program and to indicate long-term development direction. This study area was Gubyung-Areum village in Boeun-gun, Chungcheongbuk-do. This village has superior natural landscape and rich area theme. Also, this village was chosen in Areum Village Revitalization Project in 2002, infrastructure full equipment was achieved. Gubyung-Areum village is administering buckwheat flower festival and experience program by Bo-Eun County Office help to change the farm stay village to the rural experience village. But, there were some problems to operate in experience program. So that Chungcheongbuk-do Provincial Government Republic of Korea is propelling Cooperative Tourism Development Model Project for coping these problems from 2007.12.31 to 2008.9.30. This study is going to develop tourism network program that take advantage of enough area resources grasping problem of Gubyung-Areum village through propulsion of Cooperative Tourism Development Model Project. This study present Developing Strategies for Gubyung-Areum village through investigation, analysis and operation process.

• 농촌계획
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• 제12권4호
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• pp.1-11
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• 2006

Recently many administrative institutes try to improve the viability of rural villages. For increasing the viability, not only infrastructures but internal vitality is necessary in rural villages. Nonetheless, most of governmental projects have been focused on infrastructures. For this reason, RDA(Rural Development Administration) designed and performed the RHL(Rural Healthy and Longevity village) project. This RHL project is not easy to evaluate the outcome because it consists of very intangible project items. In this paper, we developed a scoring model to evaluate the result of the RHL project. The scoring model based on DEA(Data Envelopment Analysis) was suggested to evaluate the quantity of personal activities in each village. Personal activities are classified into five categories: regional life, social life, productive life, outdoor life and indoor life. Evaluating indices of each category are developed and weighting values are evaluated by AHP(Analytic Hierarchy Process). The developed model was applied to Kumsan village and examined its applicability.