• 대한안전경영과학회:학술대회논문집
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• 대한안전경영과학회 2000년도 춘계학술대회
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• pp.339-349
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• 2000

Inchon Port is the second largest import-export port of Korea, and has the point at issue such as the excessive logistics cost because of the limits of handling capacity and the chronic demurrage. There are few research activities on the analysis and improvement of the whole port operation, because Inchon Port not only has the dual dock system and various facilities but also handles a various kind of cargo. The purpose of this paper is to develop the simulation program as a long-term strategic support tool, considering the dual dock system and the TU(Terminal Operation Company) system executed since March, 1997 in Inchon Port. The basic input parameters such as arrival intervals, cargo tons, service rates are analyzed and the probability density functions for these parameters are estimated. The main mechanism of simulation model is the discrete event-driven simulation and the next-event time advancing. The program is executed based on the knowledge base and database. From the simulation model, it is possible to estimate the demurrage status through analyzing various scenarios and to establish the long-term port strategic plan.

• 한국시스템다이내믹스연구
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• 제11권3호
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• pp.61-86
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• 2010

This research analyzed on the future energy society of Korea in 2030 using system thinking approach. Key uncertainty factors determining the future energy society were analyzed in a multi disciplinary view point such as politics, economy, society, ecology and technology. Three causal loop diagrams for the future energy system in Korea and related policy leverages were shown as well. 'Global economic trends', 'change of industrial structure' and 'energy price' were identified as key uncertainty factors determining the Korean energy future. Three causal loop diagrams named as 'rate of energy self－sufficiency and alternative energy production', 'economic activity and energy demand' and 'Excavation of new growth engines' were developed. We integrated those causal loop diagrams into one to understand the entire energy system of the future, proposed three strategic scenarios(optimistic, pessimistic and most likely) and discussed implications and limits of this research.

• 대한안전경영과학회지
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• 제2권2호
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• pp.127-137
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• 2000

Inchon Port is the second largest import-export port of Korea, and has the point at issue such as the excessive logistics cost because of the limits of handling capacity and the chronic demurrage. The purpose of this paper is to develop the simulation program as a long-term strategic support tool, considering the dual dock system and the TOC(Terminal Operation Company) system executed since March, 1997 in Inchon Port. The basic input parameters such as arrival intervals, cargo tons, service rates are analyzed and the probability density functions for these parameters are estimated. From the simulation model, it is possible to estimate the demurrage status through analyzing various scenarios and to establish the long-term port strategic plan.

• Earthquakes and Structures
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• 제20권2호
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• pp.225-238
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• 2021

Supplemental passive dampers are widely employed to improve the structural performance of buildings under seismic excitations. Nevertheless, the added damping could be counter-productive if the axial forces induced by the damper reaction forces are not routed properly in the columns. A few researchers engaged to optimize the width-wise damper arrangement to improve the delivered path of the axial column forces. However, most of these studies are limited under the design-based seismic level and few of them has evaluated the collapse performance of buildings under strong earthquakes. In this paper, the strategic width-wise placement method of viscous dampers is explored regarding the building performance under collapse state. Two realistic steel buildings with different storeys are modelled and compared to explore higher mode effects. Each building is designed with four different damper arrangement scenarios based on a classic damper distribution method. Both a far-fault and a near-fault seismic environment are considered for the buildings. Incremental Dynamic Analysis (IDA) is performed to evaluate the probability of collapse and the plastic mechanism of the retrofitted steel buildings.

• 한국국방경영분석학회지
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• 제32권1호
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• pp.36-50
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• 2006

한국군은 전시 상당량의 전략물자를 미국으로부터 항공수송을 통해 도입하고자 한다. 이 연구는 항공수송 모델을 형성하고 전시 동원될 민간 항공기를 포함한 동원자원의 항공수송 능력을 평가하는 것이다. 전략 항공수송계획은 국군수송사령부에 의해 매년 조정 수립되고 있으나 항공수송 과정의 불확실성으로 인해 시뮬레이션을 통해 실현가능성을 평가할 필요가 있다. 불확실한 요인은 미국 공항에서의 전략물자 도착에 대한 불확실성, 적하역 시간, 동원령 발령시 항공기 최초 위치 지점 등이다. 시뮬레이션은 두 개의 시나리오 하에서 실행되었으며 결과에 대한 민감도 분석을 수행하였다. 시뮬레이션 결과, 항공수송 능력에 가장 큰 영향을 미치는 요인들은 미국 공항에서의 물자 도착 불규칙성과 항공기 동원 대수이었다.

• 디자인학연구
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• 제17권3호
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• pp.199-208
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• 2004

디자인이란 다양한 문화적 기반의 필요성에 반응해야 한다는 측면에서, 한국 전통 문화에 대한 디자인적 접목은 매우 중요한 일이 아닐 수 없다. 이 같은 배경에서 본 연구는 한국 문화원형에 대한 현실적 재조명 작업의 일환으로 '무신도와 무신 원형'에 대한 멀티미디어 컨텐츠 개발 방안을 모색하였다. 문헌연구, 인터넷 탐색, 사례연구로 진행된 본 연구의 주요 내용은 다음과 같이 세 가지로 정리된다. 첫째, '무당, 인간, 자연, 내세'라는 기준을 통해 무신들간의 위계 구조를 확립하고 이를 기반으로 시나리오, 캐릭터 소스, 멀티미디어 컨텐츠 개발에 필요한 '기획 프로세스'를 제안하였다. 둘째, 위프로세스의 실행 방안의 하나로서 기복 캐릭터 팬시 상품, 모바일 및 게임 캐릭터, 게임 및 애니메이션 시나리오, 디지털 온라인 굿, E-card, E-부적 등의 '사업별, 장르별 적용 방안'을 제안하였다. 셋째, 향후 산업화와 관련하여, 온라인 및 모바일 게임 시나리오, 인터넷 무협 소설과 같은 시나리오 기반 창작 사업으로 확대 적용될 수 있는 '산업화 실행 방안'을 제안하였다. 본 연구의 가장 큰 성과는 우리 문화원형의 창작소재 대상과 범위를 확충시키기 위한 멀티미디어 디자인적 접근이 모색되었다는 점이다. 본 연구 결과를 통해서 향후에는 '무속' 테마에 대한 다양한 디자인 접근이 시도되어지고, 더 나아가 국가 전략적 차원에서 우리 문화원형 개발에 대한 새로운 인식이 재고될 수 있기를 기대한다.

• 산업경영시스템학회지
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• 제30권4호
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• pp.62-70
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• 2007

Recently, the increasing trend for the transshipment traffic of Busan port in Korea is slowing down because of the extensive development plan of domestic ports in china. For solving this problem, Korea is going on the project for preoccupying the transshipment port for attraction of port traffic from the newly potential markets(NPM) based on the Northeast Asia area. As a part of the project, this paper proposes the efficient methodology for selecting the optimal shipping network and strategic transshipment port within NPM using the mathematical models and simulation analysis. For that, we firstly find the alternative transshipment ports within NPM through the status analysis of the current port traffic and shipping network and then, we choose the candidate transshipment-ports in order of minimizing the transport costs through the mathematical approach. With the scenarios based on the selected transshipment-ports, we perform the simulation analysis for choosing the optimal transshipment-ports and the shipping network minimizing the total costs and times concurrently. We expect that the results of this paper will be used efficiently when korea select the strategic transshipment-port in the future.

• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 1999년도 추계학술대회논문집
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• pp.73-81
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• 1999

Inchon Port is the second largest import-export port of Korea, and has the point ant issue such as the excessive logistics cost because of the limits of handing capacity and the chronic demurrage. There is few research activities on the analysis and improvement of the whole port operation, because Inchon Port not only has the dual dock system and various facilities but also handles a various kind of cargo. The purpose of this paper is to develop the simulation program as a long-term strategic support tool, considering the dual dock system and the TOC(terminal operation company) system executed from March, 1997 in Inchon Port. The basic input parameters such as arrival intervals, cargo tons, service rates are analyzed and the probability density function for this parameters are estimated. The main mechanism of simulation model is the discrete event-driven simulation and the next-event time advancing. The program is executed based on the knowledge base and database, and is constructed using VISUAL BASIC and ACCESS database. From the simulation model, it is possible to estimate the demurrage status through analyzing scenarios such as the variation of cargo ton and cargo handing level, the increase of service rate, and so on, and to establish the long-term port strategic plan.

• 패션비즈니스
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• 제25권5호
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• pp.57-72
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• 2021

With the growing importance of CSR, more fashion brands have actively engaged in CSR activities, and consumers' perception of their motives has become a critical issue. This study investigates the influence of perceived CSR motives on fashion consumers' perceived sincerity, trust, and behavioral intentions. In addition, the effect of 'CSR timing' and 'information source' on these variables was examined. In a 2×2 between- subjects design with scenarios, 515 adult consumers responded to an online survey questionnaire. The study identified three CSR motives: value-driven motive, instrumental motive, and strategic motive. The SEM results showed that the value-driven and instrumental motives influenced trust and behavioral intentions. In particular, perceived sincerity mediates value-driven motive and trust. A comparison of latent means revealed the effect of CSR timing on value-driven and strategic motives, trust, sincerity, and behavioral intentions. This study provides an insight into the relationship between consumers' perception of CSR motives and their reactions, and the importance of CSR timing.

• International Journal of Advanced Culture Technology
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• 제11권2호
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• pp.125-131
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• 2023

OVO is a digital platform that provides simple payments and smart financial services, as well as one of the largest digital payment platforms in Indonesia. It has wide coverage and security when making payments, and supports multiple settlement currencies. The purpose of this study is to explore the history, business model, and future strategic direction of OVO, an Indonesian e-wallet. To date, OVO has built its own mobile payment ecosystem covering a wide range of consumer scenarios including e-commerce, travel, offline shopping and finance. And it supports mobile banking, online banking, debit cards or selected partner merchants. Its three largest transaction categories are in the transportation, retail and e-commerce sectors. With over 110 million consumers and 1.3 million merchant users, it is one of the dominant e-wallets in Indonesian market and has become the country's e-payment market leader. OVO eWallet's 'One Card' model offers convenience and choice for users, thus contributing to the rapid growth of OVO eWallet. And OVO eWallet competes fiercely with other competitors, but OVO eWallet continues to grow in terms of the number of users and market share. Finally, this study analyzes the strategic goals and plans of OVO eWallet, predicts its future direction. OVO eWallet has a huge success, but there are still competition and challenges to face.