• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2013.05a
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• pp.538-539
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• 2013

수평 자세제어에 관한 연구는 플랜트 외부에서 발생하는 미지의 진동이나 불특정 외란이 인가되었을 때 이러한 외란을 적절히 제거하여 플랜트의 안전성을 확보할 수 있는 중요한 기술이다. 특히 수평 자세제어에 대한 문제는 선박이나 항공기 등 진동이나 미지의 외란이 발생하는 비선형시스템에 대하여 플랜트의 안전성을 확보하기 위하여 다양한 제어 알고리즘을 적용하여 진동 및 외란을 제거하고 있다. 본 논문에서 활용하고자하는 수평 자세제어용 액추에이터는 전자기적 에너지를 직선운동을 하는 기계적 운동 에너지로 변환하는 장치로서 산업현장에서 많이 활용하고 있는 액추에이터이다. 이러한 리니어 액추에이터(linear actuator) 3개로 구성된 3축을 활용하여 리니어 액추에이터 상부에 놓여진 플랜트의 수평을 제어하고자 한다. 또한 플랜트의 수평 상태를 계측하기 위한 센서로는 플랜트에 인가되는 외란을 계측하기 위한 가속도 센서 및 정확한 플랜트의 자세를 계측하기 위한 자이로 센서를 활용하여 플랜트의 수평 상태를 계측하도록 하며, 3개의 리니어 액추에이터를 제어하기 위한 마이크로프로세서를 기반으로 PID 제어기를 설계하여 리니어 액추에이터를 활용한 수평제어 성능을 제시하고 한다.

• Journal of the Korean Institute of Gas
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• v.20 no.3
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• pp.52-58
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• 2016

In this study, evaluation method for LNG plant FEED is suggested and its validity is confirmed using a well-known decision making technique of Analytic Hierarchy Process (AHP). It is a pairwise comparison technique which can be used when multiple options must be considered for a single decision making problem. In order to develop an objective decision methodology, various decision parameters, sub-parameters as well as the concept of scale of assessment were introduced, and its consistency among these parameters was also checked by calculating the consistency index (C.I.). The methodology suggested in this article will contribute in evaluation of LNG plant FEED with less bias and subjectivity associated with the decision making procedure.

• Korean Journal of Construction Engineering and Management
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• v.8 no.1 s.35
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• pp.116-123
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• 2007

Recently orders of project in the field of oil & gas plant have been increased due to raising oil prices and consumptions. Domestic oil & gas companies are expanding into the Middle East area and all over the world. In the field of oil & gas plant, it is important to manage a technical control and a license that is occurred when developing the manufacturing processes and technologies. Because the oil & gas market has a lot of executions of the oversea construction, competitions between the advanced companies is more important. Therefore, we have to adopt systematic management style for achievements of the technical competitive power and the higher position. However, domestic oil & gas plant companies have not enough competitive powers of the license and the design phase. So, they are faced with difficulties of adopting the technology which is maximizing the effect of investments and scheduling a long-range plan. To achieve the technology management and the competitive power, this study proposes a long-range plan through the analysis of execution methods for technology management.

• Korean Journal of Construction Engineering and Management
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• v.17 no.1
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• pp.18-27
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• 2016

The purpose of this study is to classify main risk factors on a construction phase of a plant project and analyze importance by the risk factors. Plant Industry is continuing boom and the increase in overseas plant orders in 2014 has showed a performance increase of 61% of the total orders, as the plant industry are risk factors for the construction phase, safety management target recognition and variety of accident prevention and safety factors by importance, etc. a situation that requires the development and introduction of management. So, it is performed that collected disaster conditions data on a construction phase of a plant project, is questioned by plant construction professional and is classified by 4M. Then, it is performed that is questioned by plant construction and safety professional in order to apply AHP method, and is presented from analyzing the risk factors, which are results of the survey, by importance and priority. This study will recognize from identifying the main risk factors in advance and will be utilized as a basic data is to prevent the risk factors.

• Korean Journal of Construction Engineering and Management
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• v.9 no.3
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• pp.146-152
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• 2008

Since the year of mid 2000, the EPC industry in Korea has the highest amount of orders received due to tremendous need form middle east asia region. However, the quality requirement from the owner is getting critical, which lead to the more competitive engineering capacity equipped. In order to do so, the development of objective and quantitative evaluation model of engineering process is essential. In order to develop the engineering checklist model for case-based evaluation of EPC project, first, the general description of worldwide EPC industry as well as the literature review of prior study have been performed. Then, the survey interview with experts in the engineering area of EPC project was performed In order to Identify the engineering work tasks and the critical check items, which should be checked during engineering process. Based on these checklist, the weights of check items as well as engineering work tasks also have been defined. The developed checklist model evaluated the two EPC project cases of S company in Thailand in order to explore its applicability. From the analysis of evaluation results, it is expected that the continuous implementation of evaluation based on checklist model can help the EPC practitioner check the critical items in engineering process more efficiently and take an appropriate action for better engineering performance, which finally can lead to the Korea EPC industry being more competitive.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2011.06a
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• pp.390-392
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• 2011

해양플랜트 관련 산업성장과 함께 관련 종사자의 특수 안전교육을 실시함은 매우 중요하다. 대부분 해외의 교육기관에서 시행하고 있으며 국내의 교육기관이 국제교육인증을 받음에 따라서 HSE(Health and Safety, Environment) 교육의 시행, 확대가 필요하다. 따라서 본 연구는 국내 외의 HSE 관련교육을 조사하고 HSE 교육의 시행에 따른 국내의 교육의 제반여건을 마련하는데 기초 자료를 제공하기 위한 목적으로 수행하였다.

• Water for future
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• v.55 no.4
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• pp.81-94
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• 2022

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2013.10a
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• pp.119-121
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• 2013

최근 대규모 선박 및 해양플랜트 사고 발생을 계기로 각국의 정부와 관련 업계에서는 안전사고 예방을 위한 규제를 강화하고 기업차원의 안전관리도 철저히 점검하고 있다. 선박사고의 경우에는 1989년 "엑슨발데스호" 사고를 계기로 국제해사기구(IMO) 주도하에 유조선의 "2중 선체 의무화"를 추진했으며, 2012년에는 전 세계적으로 공식 시행되고 있다. 해양플랜트 사고의 경우에는 1988년 북해(North Sea)에서 발생한 Piper Alpha 폭발사고를 계기로 인적요인에 대한 관심이 높아졌으며, 2010년 멕시코만에서 발생한 "딥워터호라이즌호" 사고 이후 시추작업에 대한 안전점검과 인적오류 예방 및 관리를 위한 훈련을 강화하고 있다(배영일, 2012). 일반적으로 해양플랜트 사고의 원인은 구조물 자체의 오류가 20%이하이며, 예기치 못한 작업자의 행동으로 발생된 사고가 80% 이상을 차지하고 있다. 즉, 대부분의 사고는 operation 또는 maintenance 동안 발생하는 것으로 나타나고 있다. 본 발표에서는 해양플랜트 산업에서의 사고와 관련된 최근 연구현황 및 향후 연구 방향을 소개하고자 한다.

• ICROS
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• v.21 no.3
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• pp.25-34
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• 2015

철강산업의 플랜트 엔지니어링에서 투자비와 공기를 저감하기 위해 Virtual Factory 기술 적용이 확대되고 있다. Virtual Factory 기술은 엔지니어링 프로세스의 설계 및 제작 단계에서 설비 간섭, 분해, 설치, 검증 등 기계 요소를 테스트하고, 시운전, 운영 및 유지보수 단계에서 제어 프로그램 검증, 운전 훈련 등 제어 요소를 테스트하기 위하여 컴퓨터 기반의 가상 플랜트를 구성하여 시뮬레이션을 수행하는 기술이다. 본 논문에서는 제어 요소 테스트를 위한 시뮬레이션 기술로서 가상 시운전 시스템과 가상 훈련 시스템의 기술 및 개발 동향을 소개한다.

• Journal of Korea Port Economic Association
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• v.31 no.1
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• pp.127-145
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• 2015

Plant location selection is a decision which requires huge investment and entails a significant impact in a longer-term. The petrochemical industry, in particular, is so capital- and technology-intensive that the firms in the industry pursue enhancing competitiveness through collaboration and integration among entities in their supply chains. Even though the logistics factor such as logistics costs and connectivity have, as a result, gained its importance in plant location decision making, this has rarely studies in empirical studies. Therefore, this study aims to examine the relative importance of the logistics factor in plant location decision making in the petrochemical industry using the multi-criteria decision-making approach. In addition the three representative petrochemical industrial complexes are evaluated by the factors used in this study. This study is able to provide the useful implication in both practical and policy-making aspects. Firms are required to consider the logistics factors with priority compared to other factors in plant location decision making. In addition, when federal or local governments build industrial sites and attract the petrochemical firm, logistics infrastructure should also be considered to provide better transportation connectivity and lower logistics costs in turn.