• Title/Summary/Keyword: Terminals

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Estimating Benefits of Gwangyang Port Container Terminals' Berth Relocation (광양항 컨테이너 터미널 선석 재배치에 따른 기대효과 분석)

  • Yong-Ki Koh;Sang-Hun Han
    • Korea Trade Review
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    • v.45 no.5
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    • pp.141-159
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    • 2020
  • Container terminals at Gwangyang Port are operated by three container operators: A, B and C. Ultimately, there is consensus that a single operator should operate all terminals so that economies of scale can be achieved even in the operation of the container terminal. Integration between operators has a positive effect on both operators and shipping companies. From the operator's point of view, overlapping fixed costs between operators can be unified, reducing overall costs and utilizing spare facilities. On the other hand, from the viewpoint of the shipping company, it is possible to ensure stable use of the port facilities and always allow berthing, reduce days on demurrage and ship waiting, and provide one-stop service for work. However, existing cases of operators' integration or relocation of terminals remained to estimate the expected effects of alternatives, emphasizing only the financial point of view. The port terminal is a large system, and it is important to consider that it is an aggregate of major logistics facilities and equipment. Moreover, if the estimation can be made by quantifying the expected effect, the justification of the terminals' relocation can be further emphasized. Therefore, it is very important to estimate the expected effect from the viewpoint of systemic operation. Moreover, the need for operators' integration can be further emphasized if it can be estimated through quantification of expected effects. Currently, three alternatives are considered as alternatives to the terminals' relocation, and in this study, the optimal plan was derived for the 3 alternatives by the linear planning model of the minimum shuttle transportation cost in the terminal. The optimal plan is alternative 2, which shows the most advantageous integration effect in terms of expected effects. Alternative 2 integrates the B terminal into the C terminal, and the A terminal operates independently as it is.

A Brief Clustering Measurement for the Korean Container Terminals Using Neural Network based Self Organizing Maps (자기조직화지도 신경망을 이용한 국내 컨테이너터미널의 클러스터링 측정소고)

  • Park, Ro-Kyung
    • Journal of Korea Port Economic Association
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    • v.26 no.1
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    • pp.43-60
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    • 2010
  • The purpose of this paper is to show the clustering measurement way for Korean container terminals by using neural network based SOM(Self Organizing Map). Inputs[Number of Employee, Quay Length, Container Terminal Area, Number of Gantry Crane], and output[TEU] are used for 3 years(2002,2003, and 2004) for 8 Korean container terminals by applying both DEA and SOM models. Empirical main results are as follows: First, the result of DEA analysis shows the possibility for clustering among the terminals and reference terminals except Gamcheon and Gwangyang terminals because of the locational closeness. Second, the result of neural network based SOM clustering analysis shows the positive clustering in clustering positions 1, 2, 3, 4, and 5. Third, the results between SOM clustering and DEA clustering show the matching ratio about 67%. The main policy implication based on the findings of this study is that the port policy planner of Ministry of Land, Transport and Maritime Affairs in Korea should introduce the clustering measurement way for the Korean container terminals using neural network based SOM with DEA models for clustering Korean ports and terminals.

Musculoskeletal Aisorders In Operators of Visual Display Terminals (VDT작업자의 근육골격계 장해)

  • Baek, Yeong-Han
    • 월간산업보건
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    • s.80
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    • pp.42-44
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    • 1994
  • VDT(Visual Display Terminals)작업자에게는 손과 팔의 근육골격계 장해가 흔히 일어난다. 이와같은 장해는 대게 설계가 잘못된 주위작업환경 및 심리적인자와 관련이 있다. VDT사용과 관련된 건강문제를 식별하고 평가하기 위한 개량된 방법을 도출하기 위해서는 다원적인 접근방법이 필요하다.

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Study on Status of Barrier Free Certification & Improvement Strategies (여객자동차 터미널 이동편의시설 BF 실태 및 개선방안 연구)

  • Park, Shin-Won;Cho, Young-Tae
    • Land and Housing Review
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    • v.7 no.4
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    • pp.225-237
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    • 2016
  • This study is to investigate actual condition of passenger terminals, public facilities which are used by unspecified individuals, with high spread effect of certification system of Barrier Free introduced in 2007, evaluate possibility of the certification and prepare an effective way for certification in order to spread and settle the certification system. According to the investigation on the facilities' equipment level of 349 passenger terminals, which being nationally operated, 217 terminals could be certified and non-certified were 58. And, 29 was evaluated as the passenger terminals with high possibility to get Barrier Free certification by small scale of remodeling. The level of Barrier Free of investigated passenger terminals, according to the actual condition with certification index, were 40~55 percent. While the level of Barrier Free of internal facilities of the terminals was over 90percent, the level of sanitary facilities, information facilities, etc. fell short of 50 percents. In this study, pilot project of Barrier Free certification is proposed for enhance of passenger terminal facilities. Moreover, the selection of passenger terminals with high possibility of certification, local governments' strong will as the targets of pilot project for improvement of amenity level and Barrier Free certification and monitoring the project results are the way of the project.

Exploratory Study on Enhancing Cyber Security for Busan Port Container Terminals (부산항 컨테이너 터미널 사이버 보안 강화를 위한 탐색적 연구)

  • Do-Yeon Ha;Yul-Seong Kim
    • Journal of Navigation and Port Research
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    • v.47 no.6
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    • pp.437-447
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    • 2023
  • By actively adopting technologies from the Fourth Industrial Revolution, the port industry is trending toward new types of ports, such as automated and smart ports. However, behind the development of these ports, there is an increasing risk of cyber security incidents and threats within ports and container terminals, including information leakage through cargo handling equipment and ransomware attacks leading to disruptions in terminal operations. Despite the necessity of research to enhance cyber security within ports, there is a lack of such studies in the domestic context. This study focuses on Busan Port, a representative port in South Korea that actively incorporates technology from the Fourth Industrial Revolution, in order to discover variables for improving cyber security in container terminals. The research results categorized factors for enhancing cyber security in Busan Port's container terminals into network construction and policy support, standardization of education and personnel training, and legal and regulatory factors. Subsequently, multiple regression analysis was conducted based on these factors, leading to the identification of detailed factors for securing and enhancing safety, reliability, performance, and satisfaction in Busan Port's container terminals. The significance of this study lies in providing direction for enhancing cyber security in Busan Port's container terminals and addressing the increasing incidents of cyber security attacks within ports and container terminals.

A Study on the Planning and Operation Status of Cruise Terminal in Jeju (제주지역 크루즈터미널 계획 및 운영 실태에 관한 연구)

  • Park, Chung-Keun
    • Journal of the Korean Institute of Rural Architecture
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    • v.20 no.1
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    • pp.85-92
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    • 2018
  • Although Jeju is the best cruise Secondary port in Northeast Asia, currently there are no dedicated cruise terminals. The port international passenger terminal opened in 2015 has a ferry terminal for offshore passengers and a cruise passenger function. Jeju Island is therefore constructing a cruise only terminal with the aim of opening in 2018 to meet the growing passenger demand at the Seoguipo civilian and public ports along with construction of a naval base at Gangjeong Port in Seogwipo City. It also plans to build cruise docks and cruise terminals in the Jeju New Port according to the Jeju port construction basic plan. However, during the construction and planning process of cruise terminals in Jeju, the adequacy of the terminal size is being debated and the immigration facilities are being operated. Therefore, the study analyzed the size of terminals and operation of immigration facilities appropriate for cruise passenger demand by investigating the status of cruise related facilities and operation in Jeju area. Based on this, the Commission hopes to explore the rational direction of the cruise terminal plan to revive the cruise industry in Jeju and provide high quality service to cruise passengers.

Performance Comparison in Estimating the Number of Competing Terminals in IEEE 802.11 Networks (Kalman vs. H Infinity Filter) (IEEE 802.11 시스템에서 경쟁 터미널 수 추정기법 성능분석 (칼만필터 vs. H Infinity Filter))

  • Kim, Taejin;Lim, Jaechan;Hong, Daehyoung
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.37A no.11
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    • pp.1001-1011
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    • 2012
  • In this paper, the effects to system performance are evaluated in IEEE 802.11 system when the number of competing terminals are estimated and reflected to the system. The IEEE 802.11 system uses DCF (Distributed Coordination Function) for the multiple access method, and the system throughput performance depends on the accuracy of the estimated number of competing terminals. We propose extended H infinity filter (EHIF) approach which does not require the noise information for estimating the number of competing terminals. Simulation results show that EHIF outperforms the extended Kalman filter in both saturated and non-saturated network conditions.

Comparative Analysis for Security Technology to WiBro Terminals's Vulnerability (WiBro 단말 취약에 대한 보안기술적용 비교분석)

  • Chun, Woo-Sung;Park, Dea-Woo
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.10a
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    • pp.128-131
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    • 2012
  • WiBro the world is the communication technique which it standardizes from our country. The radio internet service use which uses WiBro is extending. Becomes accomplished from WiBro, terminals the internet service which is having a vulnerability in vulnerability and the Internet which come from the radio and the security technique is necessary in about vulnerability. It researched the vulnerability of WiBro terminals from the research which it sees and it researched a security technique in about vulnerability. To secure the vulnerability of WiBro, in order terminals it applies a security technique and around security technical applying comparison it analyzes.

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Catecholaminergic Innervation of GnRH Neurons in the Rat Median Eminence (흰쥐 시상하부의 정중융기에서 카테콜아민 신경세포와 GnRH 신경세포와의 연접에 관한 연구)

  • 이영기;김경진
    • The Korean Journal of Zoology
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    • v.37 no.4
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    • pp.504-513
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    • 1994
  • The present study was carried out 1) to show the ontogenic development of CA-and GnRH-containing nerve fobres in the median eminence, 2) to simultaneously demonstrate the synaptic contact between these two nenre fibres in the rat median eminence at the ultrastructural level using light and electron microscopic doublelabel immunostainlngs. GnRH-and CA-nenre terminals were detectable in the median eminence at embryonic day 19.5. The CA-newe terminals were obsenred in the entire legion of the extern31 lavers, while GnRH-newe terminals only in the lateral portion. At the 14th postnatal daw, both %ropes of nerve terminals showed a very similar distribution to those of adult one. In the median eminence of adult rats, a substantial overlap existed in the distribution of GnRH fibres with CA-containing nerve fibres. This overlap was most intense throughout the external palisade zone. Furthermore, an electron microscopic double label immunostaining showed that there was a close apposition of CA- and GnRH-nenre fobres. These axo-axonic contacts occurred frequently in the internal and palisade zones, i.e. at the level of the fobre preterminals. These morphological results suggest that the CA-mediated GnRH secretion may occur via sxo-axonic interaction in the median eminence.

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A Design and Implementation of Home Network Access Agent and its Testbed (홈 네트워크 액세스 에이전트 및 테스트베드 설계 구현)

  • Kim, Dong-Kyun;Lee, Myoung-Kun;Jeon, Byung-Chan;Lee, Sang-Jeong
    • Journal of the Korea Society of Computer and Information
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    • v.11 no.1 s.39
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    • pp.167-176
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    • 2006
  • In this paper, a home network access agent, which controls and monitors networked appliances at home using various terminals regardless of user's location, is designed and implemented. The proposed access agent integrates wire and wireless network on a home gateway (or home server) and is accessed with consistent messages using various terminals such as a web terminal, a PDA and a cellular phone. Also, in order to verify the operation and availability of the agent, a user interface for the various terminals is designed and a home network testbed which is accessed and controlled by the terminals is implemented.

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