• Journal of the Korea Society of Computer and Information
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• v.26 no.1
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• pp.119-125
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• 2021

Companies' efforts to find ways to reduce logistics costs for products and raw materials currently being brought in to produce products in all manufacturing processes are one of the biggest challenges, and the recent global recession has made logistics management even more important. This development technology limits the development of IN/OUT Bound truck logistics and dock management optimization system in the factory, especially by using UHF 900Mhz RFID radio frequency technology.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• v.1
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• pp.419-424
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• 2006

In recent years, the repairing work of the small boats in dock have pointed out a defects of the many FRP shipbuiling because of a term of works and working-space and man-power. In the paper, By carried out the model tests and structure analysis of the floating dock were mainly drawing on the concept design of the floating dock systems that the above defects were solved.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2019.11a
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• pp.218-220
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• 2019

전 세계 주요 항만에서 컨테이너터미널의 자동화가 추진되고 있으나, 기존 터미널 자동화 모형은 수출입 화물의 단순 양하에 초점을 둔 서구형 수직 배열 중심으로 개발되었다. 이로 인해 다양한 On Dock 서비스가 이루어지는 우리나라 컨테이너 항만의 경우, 터미널 자동화 추진에 많은 어려움이 존재한다. 이에 본 연구는 컨테이너터미널 On Dock 서비스 중 주요 업무인 공컨테이너 관리의 효율성 제고를 위해, 수직 배열 자동화 컨테이너터미널에서 활용할 수 있는 새로운 구내 이송모델을 제시하고 효과를 분석하였다.

• Journal of Navigation and Port Research
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• v.39 no.1
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• pp.45-53
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• 2015

These days Container Terminals are focusing on increasing the quantity of containers and shipping lines choose Terminals by referring to the key elements of a terminal to perform the overall operation the fastest such as the location of the terminal, discharging ability, keeping environment, and other elements related to shipping in general. Container terminal is able to offer On-Dock service has become an important factor for shipping lines to choose that terminal. In this paper, we propose an algorithm for On-Dock system work algorithm, the algorithm Empty container exports, Full Container algorithm and The aim of our study focus on both container's gate out time and search for the effective terminal operation which is using the general On-Dock system through several algorithm like container batch priority, gate in and out job priority and empty container yard equipment allocation rule based on the automatic allocation method and manual allocation scheme for container. Gathering these information, it gives the priority and yard location of gate-out containers to control. That is, by selecting an optimum algorithm container, container terminals Empty reduces the container taken out time, it is possible to minimize unnecessary re-handling of the yard container can be enhanced with respect to the efficiency of the equipment. Operations and operating results of the Non On-Dock and On-Dock system is operated by the out work operations (scenarios) forms that are operating in the real Gwangyang Container Terminal derived results. Gwangyang Container terminal and apply the On-Dock system, Non On-Dock can be taken out this time, about 5 minutes more quickly when applying the system. when managing export orders for berths where On-Dock service is needed, ball containers are allocated and for import cargoes, D/O is managed and after carryout, return management, container damage, cleaning, fixing and controlling services are supported hence the berth service can be strengthened and container terminal business can grow.

• Journal of the Society of Naval Architects of Korea
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• v.44 no.1 s.151
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• pp.48-54
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• 2007

Higher productivity and less cost during the manufacturing process of ships are required to maintain international competitiveness of modern shipbuilding industries. The integrated hull/ outfitting/ painting scheduling(IHOP) process is a final point, where logistics are finally being integrated and upcoming schedules are made. Therefore, more profits are expected from IHOP by effective management. In this thesis, IHOP is proposed in order to solve how to choose block erection date with IHOP scheduling logic. The result of IHOP scheduling is highly advised to utilize fabrication, outfitting shops. A standardized operation and load of resource will eventually be applied in long-term time span point of view for this will make it easy to enable capacity planning and workforce planning. It is also expected to eliminate inefficiency in overtime work and efficiently utilize manpower in short-term.

• Journal of Navigation and Port Research
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• v.44 no.3
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• pp.181-186
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• 2020

Until now, the development of design and operation model for automated container terminals has been mainly performed based on the western ports model, specializing in basic loading, and discharging operations. In the case of the Busan port, terminal operators provide basic stevedoring, as well as an additional logistics service known as 'On Dock Service' not suitable for the currently commercialized automated container terminal model. This study diagnosed the current Busan port's throughput structure and terminal operational characteristic, and proposed a modified perpendicular layout container terminal transport model named 'Interchange Transport Model' for effective management of empty container and operation costs. Although the 'Interchange Transport Model' requires an additional number of transport equipment (AGV), concerning operational efficiency and cost saving, a simulation showed 22% reduction of TAT and 9.4% reduction of annual terminal operational costs in comparison to the basic perpendicular layout model.

• Journal of KIISE:Computing Practices and Letters
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• v.15 no.12
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• pp.881-890
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• 2009

To solve big problem in high energy physics or bioinformatics, it needs a large number of computing resources. But it hard to be provided by one grid environment. While user can submit each job by using it's own user interface in each grid environment, it may need many cost and efforts to manage several hundred jobs conserved in each grid environment separately. In this paper, to solve this problem we develop Ganga's Gridway backend and InterGrid backend. Therefore as we provide the same grid user interface between different grid environments. We developed a Gridway backend module that provide users with access to globus-based grid resources as well. We have also developed an InterGrid backend that allows users to submit jobs that have access to both glite-based resources and globus-based resources. In order to demonstrate the practicality of the new backend plugin modules, we have integrated the AutoDock application used by WISDOM project into Ganga as a new built-in application plugin for Ganga. And we preformed interoperability experiment between PRAGMA grid based on Globus and EGEE grid based on gLite.

• Journal of the Korean Society of Marine Environment & Safety
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• v.28 no.7
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• pp.1267-1273
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• 2022

Although the Korea shipbuilding industry has recently been receiving most of the orders for ships in the world, production processes are being disrupted due to a shortage of manpower at the production site. This is because the workers quit the shipyard as both work and wages were reduced due to the long slump in the shipbuilding industry. The main reason for the increase in orders was the large-scale orders for Qatar LNG carriers, and the situation in which the technical specifications required for ships are becoming more complex is also working to an advantage. Because the contract delivery time is of utmost importance for ships, the dock launch plan is the most important management item among the shipyard's major processes. The structure to be built in the dock may be a hull that has left the design work or a finished vessel, and in some cases, it is often at the level of some blocks of the hull. When launching, the hull is affected by the hogging or sagging moment due to the fluid force, and securing the safety of the structural strength of the block connection is of utmost importance. In a normal process, the connecting member launches after welding has been completed, but in actual shipbuilders, quick decision-making is needed on the conditions for securing structural safety to comply with the docking schedule. In this study, a detailed analysis method and applicability using a bending stress evaluation method and finite element analysis modelling were analyzed to rationally judge the above-mentioned problems from an engineering point of view. The main contents mentioned in the thesis can be used as good examples when conducting similar structural strength evaluations in the future.

• Journal of Korean Society of societal Security
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• v.1 no.1
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• pp.63-67
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• 2008

This study focuses on assessing the security ri sk or the terrorism in chemical process industries. This research modifies conventional method for assessing the terrorism risk. The risk assessment method is developed and it is implemented as software to analyze the possibility of terrorism and sabotage. This program includes five steps; asset characterization, threat assessment, vulnerability analysis, risk assessment and new countermeasures. It is a systematic, risk based approach in which risk is a function of the severity of consequences of an undesired event, the likelihood of adversary attack, and the likelihood of adversary success in causing the undesired event. The reliability of the program is verified using a dock zone case. The case dock zone includes a storage farm, a manufacturing plant, an electrical supply utility, a hydrotreater unit, many containers, and administration buildings. This study represents chemical terrorism response technology, the prevention plan, and new countermeasure to mitigate by using risk assessment methods in the chemical industry and public sector. This study suggests an effective approach to the chemical terrorism response management.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2008.10a
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• pp.905-908
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• 2008

인터넷의 등장은 인간사회의 의사전달 체계가 발전하는 과정에서 가장 큰 혁명적 사건으로 국가간 경계를 허물고 경제시장을 글로벌화 시키는 주요한 역할을 하였다. 현재 우리나라 인터넷 사용인구는 3,440만명(2007. 2월 기준)으로 전체인구의 50%이상이 활용하고 있으며 사회 경제전반에 중요한 매체 역할을 하고 있다. 본 논문은 현재 중앙 집중 형태로 관리 운영되고 있는 우리나라 인터넷교환(IX)센터의 운영현황 및 문제점을 파악하고 개선방안을 도출하였다. 또한 정부에서 최초로 2003년부터 2007년까지 부산지역 1개소에 구축한 IX(Internet Exchange; 인터넷교환센터)구축 운영의 통신정책 실패사례를 분석하고 지역 인터넷 불균형 해소를 통한 국가균형발전과 지역 IT산업 발전방안의 새로운 정책모델을 개발 제시하였다.