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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Navigation and Port Research
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Journal DOI :
Korean Institute of Navigation and Port Research
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Volume & Issues
Volume 35, Issue 9 - Dec 2011
Volume 35, Issue 10 - Dec 2011
Volume 35, Issue 8 - Oct 2011
Volume 35, Issue 7 - Sep 2011
Volume 35, Issue 6 - Aug 2011
Volume 35, Issue 5 - Jun 2011
Volume 35, Issue 4 - Jun 2011
Volume 35, Issue 3 - Apr 2011
Volume 35, Issue 2 - Mar 2011
Volume 35, Issue 1 - Feb 2011
Selecting the target year
Development of Data Acquisition System to Obtain Vessel and Weather Information in Around Mokpo Harbor Bridge
Yim, Jeong-Bin ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 1~7
DOI : 10.5394/KINPR.2011.35.1.1
This paper describes the development of Data Acquisition System (DAS) to obtain the vessel and weather information needing to evaluate collision risks levels between Mokpo harbor bridge and passing vessels. DAS consists of Signal Receiving and Processing Unit to obtain the data sets of passing vessels and weather status, Networking Unit to transmit and distribute the acquisition data sets and Data Management Unit. Through the field tests on the deck of shuttle car ferry between Mokpo Port Passenger Terminal and An-Jua island, Sinan-Gun, we found that the DAS can provide useful data sets for adequate the collision risk evaluation. In addition, the noise-like data sets appeared in the weather data can be suppressed fully using 5-th order Butterworth digital filter.
Development of KML conversion technology of ENCs
Oh, Se-Woong ; Park, Jong-Min ; Lee, Moon-Jin ; Ko, Hyun-Joo ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 9~15
DOI : 10.5394/KINPR.2011.35.1.9
IMO adopt the revision of SOLAS convention on requirement systems for ECDIS and considered an ECDIS as the major system for E-Navigation strategy on marine transportation safety and environment protection. ENC(Electronic Navigational Chart) as the base map of ECDIS is considered as a principal information infrastructure that is essential for navigation tasks. Because ENCs are not easy to utilize for being encoded according to ISO/IEC 8211 file format, used for navigational purpose mainly, it's required to utilize in parts of Marine GIS and various marine application. In this paper, we developed KML conversion technology for ENC application. In details, we analyzed data model and encoding method of ENC, schema structure and data file of KML. Based on this results, we developed the program of KML conversion of ENCs.
An Analysis of Characteristics on Meteorological Disasters in the Southern Coast of Korea
Seol, Dong-Il ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 17~21
DOI : 10.5394/KINPR.2011.35.1.17
Characteristics of meteorological disasters in the southern coast of Korea were analyzed for 20 years from 1989 to 2008 using the Korea meteorological administration's data. The main results are summarized as follows. Yearly mean number and the total number of meteorological disasters in the southern coast of Korea during 20 years are 7.5 and 149, respectively. The highest number appears in July followed by August and the third is September. The meteorological disasters from July to September occupied about 42%. The seasonal mean number is most in summer(about 39% of all), the next orders are the autumn, winter and spring. The meteorological disasters in summer are mainly caused by typhoon and heavy rain. The meteorological disasters of a great scale occurred by typhoons(for example, 9112 GLADYS, 0215 RUSA and 0314 MAEMI) which strike in the southern coast of Korea.
A Study on High-level FSA for Korean-flagged General Cargo Ships
Lee, Jong-Kap ; Na, Seong ; Kim, Hong-Tae ; Park, Jae-Hong ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 23~30
DOI : 10.5394/KINPR.2011.35.1.23
This study was carried out in order to verity the usefulness of FSA(Formal Safety Assessment) methods as a tool to conduct a safety assessment of general cargo ships flying the Korean flag, and to provide useful information on 'the Safety of General Cargo Ships' for IMO committee's discussion on the matter at a future session. In the previous paper, "A Study on High-level FSA for Korean-flagged General Cargo Ships(1)", the concepts of the FSA methodology and its five steps were described and the results of Hazard Identification(Step 1) and Risk Analysis(Step 2) from the FSA study for the Korean-flagged general cargo ships were discussed. Subsequent to the Steps 1 & 2, the identification of Risk Control Options(RCOs-Step 3) for eliminating or reducing either the frequency or the severity of the risks identified and their Cost-Benefit Assessment(CBA-Step 4) were undertaken. In this paper, the results of the Steps 3 & 4 are discussed, and some recommendations are made.
A Study on the Standardization Scheme for Aids to Navigation ＆ the Related Marine English
Kim, Kuk ; Gim, Jin-Goo ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 31~38
DOI : 10.5394/KINPR.2011.35.1.31
With today's continuous increase of both seaborne trade and foreign crew boarding ships, it is necessary to study the standardization of Marine English with respect to Aids to Navigation(AtoN) for the safety of ships. After reviewing the organization of the standard council of the equipment and article of AtoN, the standardization of various types of AtoN was not capable of meeting by the only existing council's activities. For on-the-job progress, it was necessary for the subcommittee to be composed by types of AtoN. It is thus desirable to the integrated approach to the combination of the civil, the public, academic circles and research institutes, which harmonized the council's flexibility and professionalism in the composition of the members. Subjects, levels and targets in each course were presented from results of the study on the standardization scheme of Marine English related to AtoN. The ET steps were classified by the difficult degree to which the principles of interpretation and communication were applied. This study contributed to the scheme that was firstly established to solve the problem of the audiovisual English ET due to the lack of the professionalism of the existing marine affairs by presenting the standardization scheme of Marine English prior to the institutional reform related to AtoN.
A Study on the Life Recognition of Retired Seafarers
Kim, Young-Mo ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 39~44
DOI : 10.5394/KINPR.2011.35.1.39
This study aims to inform seafarers to prepare their retired life by researching the life style of ex-seafarers. These information will also help seafarers to increase job satisfaction and government to establish national policy. 217 retirees who have several educational background responded the research questionnaire. Research results are as follows; First, Korean seafarers' retired ages are faster than shore employee due to the isolation from their families and society. Second, life satisfaction of retired seafarers depends on the level of life expenses regardless the educational background or length of sea life. Third, the level of retired life expenses of shore based, higher education background or short sea-life seafarers is higher than the sea based, lower education background or long sea-life seafarers. Forth, life style of retired seafarers is staying at home regardless their expectation during career period. Finally special seafarers' social security is needed and education to the ex-seafarers will help re-enter for sea-life.
Analysis on Field Applicability of SWAN Nested Model
Kim, Kang-Min ; Dae, Nam-Ki ; Lee, Joong-Woo ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 45~49
DOI : 10.5394/KINPR.2011.35.1.45
The recent trend for numerical experiment requires more higher resolution and accuracy. Generally, in the wave field calculation, it starts with a large region formulation first and follows by a separated detailed region formulation by more denser grids for the main interest area considering the geographical and bathymetrical variation. The wave fields resulted from the large region calculation is being introduced into the detail region calculation as the incident waves. In this process there exists a problem of continuity. In order to get over such problem, method of variable gridding system or spectrum sampling, etc., is being used. However, it seems not enough to examine and analyze the related numerical errors. Therefore, it is investigated in this study the field applicability of the most pervasive use of wave model, the nested SWAN model. For this purpose, we made model experiment for two coastal harbours with different tidal environment, and compared and analyzed the result. From the analysis, it was found that both the extracted values, near the boundaries of the large and detail region and the nested formulation of SWAN model, show almost the same and no different between those with different tidal environment conditions. However it is necessary for reducing the numerical errors to set the boundaries for the detailed region outside of the rapid bathymetric change and deeper region.
Elevation Restoration of Natural Terrains Using the Fractal Technique
Jin, Gang-Gyoo ; Kim, Hyun-Jun ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 51~56
DOI : 10.5394/KINPR.2011.35.1.51
In this paper, we presents an algorithm which restores lost data or increases resolution of a DTM(Digital terrain model) using fractal theory. Terrain information(fractal dimension and standard deviation) around the patch to be restored is extracted and then with this information and original data, the elevations of cells are interpolated using the random midpoint displacement method. The results of the proposed algorithm are compared with those of the bilinear and bicubic methods on a fractal terrain map.
A Study on the Classification of 500m×500m Mesh Level by the Combinations of Building Needs in Busan for the Feasibility Evaluation of Ocean Energy Plant Introduction
Hwang, Kwang-Il ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 57~62
DOI : 10.5394/KINPR.2011.35.1.57
On the view point of renewable energies as energy sources of district heating and cooling plant, the purpose of this study is to develop, classify and map the 500m
500m mesh, of which is treated as normal size in DHC regulations for evaluation process. Followings are the results. Various building and geographical informations including 13 districts and 108 counties are re-defined to create 500m
500m meshes, and it is find out that 3,289 meshes among 8,463 meshes have meaningful floor areas. Only 59 meshes(1.8%) are evaluated as mesh which has more than 50% of building volume ratio per mesh. 5 clusters classified by principal analysis and cluster analysis with building needs' characteristics are defined. Gwang-an Dong is representative of cluster 1 characterized as commercial area, and the cluster 4, 5 which has mainly residential needs are distributed in Yong-ho dong. Because there are a lot of cluster 3 meshes, which has complex needs area based on residential, cluster 3 could be defined as representative of Busan metropolitan city.
A Heuristic Algorithm for Berth Planning with a Limited Number of Cranes
Park, Young-Man ; Kim, Kap-Hwan ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 63~70
DOI : 10.5394/KINPR.2011.35.1.63
This paper discusses the problem of scheduling berth and container cranes simultaneously in port container terminals. A mixed-integer programming model is formulated by considering various practical constraints. A heuristic algorithm is suggested for solving the mathematical model. A numerical experiment was conducted to test the performance of the suggested heuristic algorithm.
Efficient Yard Operation for the Dual Cycling in Container Terminal
Chung, Chang-Yun ; Shin, Jae-Young ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 71~76
DOI : 10.5394/KINPR.2011.35.1.71
Recently, container terminal managers make an experiment on the double cycle and dual cycle operation, which ship loading and unloading were carried out simultaneously, for increasing the productivity of quay side. If, however, we make an experiment on dual cycle operation in a real job site, the efficiency is poor up to terminal operation method as YTs(Yard Tractors)' allocation method, QCs(Quay Cranes)' working speed, and position of export containers. Especially, using the existing yard operation method, it is difficult to support to dual and double cycle operation. Therefore, this paper examine more efficient terminal operation method, when terminal uses dual cycle operation. We developed a simulation model using simulation analysis software, Arena.
Export container preprocessing method to decrease the number of rehandling in container terminal
Park, Young-Kyu ; Kwak, Kyu-Seok ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 77~82
DOI : 10.5394/KINPR.2011.35.1.77
The export of the containers consists of two steps, carrying them into the container yard and, then, out to the ship. For the safety of the ship, the heavier container should be loaded at the lower part of the ship. Because of this, the container rehandling happens during carrying out to the ship, and the number of the rehandling container is an important factor for the loading and unloading capability. There has been many studies for utilizing the idle times after loading the containers in the container yard. This study suggests the method of decreasing the number of container rehandling by preprocessing the container using the information about the weight of the container. This method is the preprocessing one which can decrease, during carrying into the container yard, the number of container rehandling which can happen during carrying out to the ship, and, according to the simulation test, it showed to be more effective than other method.
A Study on Application of ARIMA and Neural Networks for Time Series Forecasting of Port Traffic
Shin, Chang-Hoon ; Jeong, Su-Hyun ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 83~91
DOI : 10.5394/KINPR.2011.35.1.83
The accuracy of forecasting is remarkably important to reduce total cost or to increase customer services, so it has been studied by many researchers. In this paper, the artificial neural network (ANN), one of the most popular nonlinear forecasting methods, is compared with autoregressive integrated moving average(ARIMA) model through performing a prediction of container traffic. It uses a hybrid methodology that combines both the linear ARIAM and the nonlinear ANN model to improve forecasting performance. Also, it compares the methodology with other models in performance for prediction. In designing network structure, this work specially applies the genetic algorithm which is known as the effectively optimal algorithm in the huge and complex sample space. It includes the time delayed neural network (TDNN) as well as multi-layer perceptron (MLP) which is the most popular neural network model. Experimental results indicate that both ANN and Hybrid models outperform ARIMA model.
A Study on the Enhancing Value-Added Activities in Busan Port
Kang, Dal-Won ; Lim, Dong-Seok ; Nam, Ki-Chan ; Choi, Chul-Hee ; Lee, Dong-Woon ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 93~100
DOI : 10.5394/KINPR.2011.35.1.93
This dissertation analysed actuality and literatures aimed at optimizing added value of Busan Port. As far as the literatures are concerned, the limits and the direction to go of Busan Port have been reached through analysing and comparing Busan Port, Antwerp Port, and Rotterdam Port by their each function. While Rotterdam and Antwerp Port are each functioning as an integrated port disposing container freight, general freight and liquid cargo, the container of Busan port contributes over 88 percent of its cargo and the function of the others like bulk is scattered to Ulsan, Masan, and Jinjae Port. Hereby, Busan Port needs to develop its function so as not to duplicate its function with the others in Korea and add value of theirs each. As a result of the local experts about analysing actuality, it turn out that it is similar with the literatures. In macroscopic view, specialization mainly with container, general cargo disposal ability enforcement and etc. are the most important. In microscopic view, rear complex of container tier and the supply base of liquid energy.
An Empirical Study on Corporate Logistics Characteristics, Logistics Management Type and Logistics Performance
Kim, Tae-Hyung ; Kim, Yong-Pyo ; Shin, Yong-John ;
Journal of Navigation and Port Research, volume 35, issue 1, 2011, Pages 101~112
DOI : 10.5394/KINPR.2011.35.1.101
Nowadays, the third-party logistics is getting special attention as one of the most useful ways to perform the logistics management effectively. In this current trend, however, there are many firms which carry out the logistics activities by themselves and strengthen the competitiveness. In respect of contingency theory, the firms' logistics management types should depend on their logistics environment and characteristics, and then the logistics performances vary with this suitability. In this context, this study analyzed empirically the difference of the logistics performances due to the fitness between their logistics characteristics and the management types. According to the finding, the study showed that the third-party logistics is more suitable when the importance and weight of logistics operation and the weight of their export are greater respectively, and the self-logistics is more suitable when the logistics cost is higher. Futhermore, the study indicated that the firms whose relationship between the characteristics and the management types is fit in their logistics are better than the others in the outcome of logistics cost reduction and the effectiveness of logistics operation.