• 제목/요약/키워드: Maritime Navigation

검색결과 3,621건 처리시간 0.027초

Personal Computer Based Aids to Navigation Training Simulator Using Virtual Reality Modeling Language

  • Yim, Jeong-Bin;Park, Sung-Hyeon;Jeong, Jung-Sik
    • 해양환경안전학회:학술대회논문집
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    • 해양환경안전학회 2003년도 춘계학술발표회
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    • pp.77-87
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    • 2003
  • This paper describes recently developed PC based Aids to Navigation Training Simulator (AtoN-TS) using Virtual Reality Modeling language (VRML). The purpose of AtoN-TS is to train entry-level cadets to reduce the amount of sea-time training. The practical application procedure of VR technology to implement AtoN-TS is represented. The construction method of virtual waterway world, according to the guidelines of International Association of Lighthouse Authorities (IALA) is proposed. Design concepts and simulation experiments are also discussed. Results from trial tests and evaluations by subject assessment, provide practical insight on the importance of AtoN-TS.

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A Study on the Analysis System of Voyage Data Recorder

  • Gug, Seung-Gi;Jong, Jae-Yong
    • 한국항해항만학회지
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    • 제27권6호
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    • pp.605-610
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    • 2003
  • According to SOLAS Convention, a voyage data recorder(VDR) is to be fitted onboard ships to assist in the marine casualty investigation However, a review of Korean Maritime Safety tribunal(KMST), shows that the current VDR systems is inconvenient in practical because the storage format of VDR and the casualty reproduction method are different from one manufacturer to another making it economically and timely difficult for the maritime casualty investigation bodies to carry out investigation in a proper manner. To solve this problem, this paper proposed a newly designed VDR Analysis System(VDRAS), which decodes the voyage data of VDR producea by different manufacturers, reproduces the condition at the time of casualty in an accurate, and performs necessary checks.

A comparative Review between the English Language Programs of Maritime Institutes in Korea and Europe

  • Davy, James G.;Noh, Chang-Kyun
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2011년도 추계학술대회
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    • pp.19-20
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    • 2011
  • This paper compares the English language programs of two maritime institutes in very different parts of the world, South Korea and Belgium. It will show that although both institutes comply with the minimum standard set by the STCW Code issued by the IMO, requirements for entry and graduation can vary greatly. Method of class delivery, choice of learning tools and testing systems will also be examined to illustrate these differences. It will also shown that in order to train new seafarers in the best possible ways that will fulfill the IMO mandate of Safer Shipping and Cleaner Oceans, examination of course curriculum at any maritime institute should be an ongoing process so that cadets are encouraged to communicate in a targeted, efficient and professional way within a nautical context.

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Strategic Identification of Unsafe Actions That Characterize Accidents on Ships

  • Rivai, Haryanti;Furusho, Masao
    • 한국항해항만학회지
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    • 제37권5호
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    • pp.499-509
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    • 2013
  • Seafarers are one of the main engines driving economic growth in the maritime sector. The International Maritime (IMO) Organization estimated that there were approximately 1.5 million seafarers around the world engaged in international trade in 2012. Data have shown that human casualties in maritime accidents around Japan have shown an increasing trend over the last ten years. One cause is human error, which is inseparable from the human element that influences mariner's decisions and actions. The Personal Identification (PIN) Safe method is one way to systematically identify substandard and unsafe actions by considering the error taxonomies associated with various scenarios for a maritime system. The results are based on analysis of the role of the human element in commonly reported unsafe actions when interacting with equipment and other systems. Furthermore, patterns of influencing shaping factors were observed on the basis of data processing; the aim of this study was to promote safety culture and provide an opportunity to improve safety at sea.

Fuzzy AHP Evaluation for Performance of Container Shipping Companies in Vietnam (Developing on the Model of Previous Study for the Domestic Lines)

  • Yoon, Dae-Gwun;Ngo, Phuong Thao;Keum, Jong-Soo
    • 한국항해항만학회지
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    • 제42권5호
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    • pp.365-370
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    • 2018
  • Currently, container transport services play a substantial role in global cargo transportation, by serving as an intermodal between exporter and importer. Container shipping has become increasingly important over the past few decades, due to obvious advantages. However, Vietnam's container market has shown severely ongoing competition among numerous domestic and foreign shipping lines, resulting in serious consequences occurring such as freight rates substantially decreasing within the last 10 years. Vietnam's sea lanes have become more defensive, to cover losses of shipping companies. Selection of criteria for competitive evaluation of container transport companies is necessary, to facilitate addressing the problems within the enterprise, especially relating to its position in the market and from here, business management can implement strategic plans and reasonable policy, to survive and grow.

Microwave Absorbers Prepared with Alnico Magnets

  • Song Jae Man;Kim Dong Il;Shin Seung Jae;Moon Sang Hyun;Choi Jung- Hyun;Jeung Jae Hyun
    • 한국항해항만학회지
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    • 제29권2호
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    • pp.147-150
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    • 2005
  • We suggest a cast Alnico magnet as a new microwave absorber. The proposed Alnico microwave absorber shows advanced microwave absorption properties of 24 dB at 13.3 GHz for the thicknesses of 1 mm We also investigated the effects of the carbon, which qjfects strongly to microwave absorption in Alnico magnet microwave absorbers. Central frequency shifts toward lower frequency with increasing Alnico content which is related to the frequency to show tan 8 > 1. Also, we investigated the sample thickness dependence on the microwave absorption properties.

A Study on Competitiveness of Major Container Terminals in Korea and China using FCM and TOPSI

  • NGUYEN, Dai Duong;Park, Gyei-Kark;Choi, Kyoung-Hoon
    • 한국항해항만학회지
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    • 제42권2호
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    • pp.117-126
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    • 2018
  • Container port is one of the most vital link of the transportation chain that plays an important role in trading with other countries. Having a proper understanding of port operations could change the role of the port from a transportation node to an efficient point in a transportation chain. Development of transportation chains, logistics and progress of these networks have enhanced the sustainable condition and level of transportation. Therefore, evaluating the competitiveness of ports is obligatory for port users to make a decision in investment or exploitation. This paper introduces the use of Fuzzy C-means and TOPSIS for competitiveness comparison among a sample of container terminals in Korea and China and determine how to improve Korean port competitiveness and particularly in Busan port.

An Analysis on the Relationships between Port Selection Factors

  • Lee, Myoun-Soo;Kim, Tae-Won;Jang, Woo-Jun;Kwak, Kyu-Seok;Nam, Ki-Chan
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2006년도 International Symposium on GPS/GNSS Vol.1
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    • pp.441-446
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    • 2006
  • The world economy has came into unlimited competition with globalization since 1990. Opening markets to the world is in progress through the expansion of world free trade and internationalization of multinational enterprises. In the maritime transportation for world trade, shipping companies pursue "Hub & Spoke" strategy so a port which is not able to be located as a hub port is degraded as a feeder port. To attract shipping companies, it is necessary for existing ports to provide differentiated service. This paper devises marketing strategies for a competitive port after evaluating relation among the factors affecting port selection when a shipping company chooses a port of call. On the basis of determinants derived from existing researches, we study the relation as well as importance among the factors of port selection.

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A Study on System Development for Ship's Integrated Safety and Security

  • Yoon, Daeg-Wun;Kim, Cheol-Seung
    • 한국항해항만학회지
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    • 제35권2호
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    • pp.131-136
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    • 2011
  • As the faithful performance of ISPS of IMO, nowadays actually applicable an integrated safety and security system in and out of vessel should be organized in views of seafarers. Therefore, this paper is aimed to design a fundamental system for ship's integrated safety and security. The system of integrated grabbing will affect efficiently in any maritime field of material and human flow. Therefore this research will be expected to affect economical side by securing all the risk of maritime issues. In addition to the passenger ship and merchant vessel, it is applicable to other public and private vessels either. As a result of this paper, the system designed collecting various data through integrating the system including RFID reader, PIR sensor, and CMOS camera by putting an individual number into each unit that could be control at easy.