• Journal of Advanced Navigation Technology
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• v.10 no.3
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• pp.262-267
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• 2006

For growing need for the multimedia application in the vehicles, the MOST protocol has been focused on. The MOST protocol supports three kinds of communication modes; short control message, asynchronous packets, and reserved synchronous stream data. Because of a variety of transportation, the MOST is suitable for various applications in vehicle environment. In this paper, we implemented embedded system which is MOST-enabled AMS platform and tested the network communication operation through the control port and the synchronous channel of the source port. We implemented the prototype platforms which communicate each other on the MOST's POF network. Moreover we implemented the DivX decoder attached AMS platform and verified the operation by transferring the video stream and the control messages through the MOST network.

• Journal of Navigation and Port Research
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• v.32 no.6
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• pp.453-458
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• 2008

Flow characteristics of the control-rod-attached 2-dimensional circular cylinder was accomplished using by PIV techniques. model tests had been carried out with different diameters of control rods(d/D=0.1 through d/D=0.5). and the Reynolds number Re=15,000 based on the cylinder diameter(D=50mm) to predict the performance of the model and the two-frame grey-level cross-correlation method had been used to obtain the velocity distribution in the flow field. 50mm circular cylinder had been used during the whole experiments and measured results had been compared with each other. The measured results have been compared with each case. therefore this article identifies not only the mean velocity profiles but also the control effects of the control rods.

• Journal of Korea Port Economic Association
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• v.22 no.3
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• pp.23-41
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• 2006

The objective of this study is to discuss damage to cargo caused by shipper's Liability. an analysis of the excepted perils of the carriers and the scope of marine insurance coverage reveals that the excepted perils of the carrier are covered by the most part by marine insurance. however damage to cargo caused by shipper's fault remains uncovered. Damage to cargo by insufficient packing is caused by the cargo owner's error or negligence, thus both the underwriter and the marine carrier are exmpted from responsibility. but a problem aries from the fact that there is no objective standard for full packaging. In order to solve these problems, it is required to specify the method of packaging for certain goods when making an individual agreement, so that the owner can be exmpted from responsibility for packaging conformed to the pertinent article.

• Journal of Korea Port Economic Association
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• v.23 no.2
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• pp.63-86
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• 2007

Historically, government has facilitated logistics by building the airports, the seaports, the rail and transit lines, subsidized their operations where necessary, and established the basic laws and regulations pursuant to which the industry serves the public. In the late 1990s and early 2000s, Korean government began to prepare the basic laws of logistics and nowadays it has tried to refine national logistics laws to reflect contemporary industry conditions and evolving ideological attitudes. The policy objectives governing logistics regulation have changed significantly since 2000. This article traces the current status of the Korean logistics laws which regulate one of the nation's most important industries and suggests certain amendment of current laws.

• Journal of Korea Port Economic Association
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• v.32 no.1
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• pp.59-77
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• 2016

This paper reviews the current local logistics policy of the Incheon Metropolitan City and prioritizes policy agenda based on fuzzy AHP and IPA (Importance Performance Analysis). The analysis recommends that the city needs to keep up the current good works at the policy agenda such as early expansion of the international logistics hub and improvement of the provincial highway network.The policy agenda including the logistics parks, the transport networks and the hinterland activities are evaluated as overkilled agenda. Revitalization of the logistics database, establishment of an integrated business support center, modal shift, and public logistics support were classified as low-priority policy agenda. The policy agenda of urgent concentration includes development of new logistics business and air cargo industry.

• Journal of Korea Port Economic Association
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• v.25 no.2
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• pp.301-318
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• 2009

This primary purpose of this study is to suggest alternatives for raising the Korea Post as a global logistics firm using a case study. The following alternatives for raising the Korea Post as a global logistics are suggested. First, as a first stage, in addition to previously established business scope such as saving, mail, insurance, logistics business unit have to be added. Second, as a second stage, warehousing and multimodal transport logistics have to be strengthened through M&A or self-financing and investment. Third, as a third stage, market coverage and service scope is to be expanded to country having larger logistics market size. Finally, as a fourth stage, global-oriented total logistics service is to be provided.

• Journal of Korea Port Economic Association
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• v.25 no.3
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• pp.385-406
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• 2009

The volume of trade between Korea and China has been growing significantly year by year since the diplomatic relations have been established in 1992. The economic and logistics cooperation between the two countries is crucial not only for the development of their economic relations but for promotion of value-added logistics. However there are still huge and serious impediments to logistics network and management between the two countries including bottlenecks in transport and customs procedures. The purpose of this study is to investigate how to promote value added logistics activities between Korea and Shandong Province of China. It is suggested the ways to increase VAL activities such as enhanced division of international labour within industries, provision of comprehensive logistics service and establishment of strategy for supply chain management between the two countries.

• Journal of Korea Port Economic Association
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• v.35 no.1
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• pp.1-18
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• 2019

It is debated whether the time value of bulk cargo should be reflected in the economic assessment of SOC investments. The purpose of this study is to present the basic considerations that should be addressed to reflect the time value of bulk cargo. The study first tried to understand the status of foreign countries, related research cases, and the limitations of applying findings to the domestic situation. Further, the method of reflecting the time value of bulk cargo, as well as the extent to which it is reflected, varies across countries. Furthermore, the reflection of the time value derived from the transport selection model remains a controversial issue. To overcome these limitations, this study suggests basic environment considerations to reflect time. Although the need to reflect the time value of bulk cargo is fully recognized, it seems that there are issues that need to be reviewed and solved before its actual implementation. To complement this, further research needs to be conducted, and it is expected that more clear guidelines will emerge.

• Journal of Korea Port Economic Association
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• v.35 no.1
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• pp.77-96
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• 2019

Logistics and transportation are increasingly playing a crucial role in international trade relations. Logistics services provide sectoral connections within the local economy. The efficient logistics services facilitate the flow of products; besides ensuring safety and speed of movement, they can reduce the cost of cross-border trade. The Logistics Performance Index (LPI) evaluates the efficiency of customs, quality of transportation service, and infrastructure for overland and maritime transport in each country it covers. The objective of this article is to analyze the impact of the various LPI indicators of Korea's trading partners. The impact of LPI on trade varies according to the income level of the trading partners. The results show that an improvement in any of the components of the LPI can lead to significant growth in a country's trade flow. Exports to Korea will increase as the LPI of the trading partner country is higher. This index has a greater impact on the exports of low-income countries.

• Journal of Navigation and Port Research
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• v.46 no.1
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• pp.33-41
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• 2022

An important operational goal of a container terminal is to maximize the efficiency of the operation of quay cranes (QCs) that load and/or unload containers onto and from vessels. While the maximization of the efficiency of the QC operation requires minimizing the delay of yard tractors (YT) that transport containers between the storage yard and QCs, the delay is often inevitable because of traffic congestion. In this paper, we propose a method for learning a model that predicts traffic speed in a terminal using only YT operation data, even though the YT traffic is mixed with that of external trucks. Without any information on external truck traffic, we could still make a reasonable traffic forecast because the YT operation data contains information on the YT routes in the near future. The results of simulation experiments showed that the model learned by the proposed method could predict traffic speed with significant accuracy.