• Title/Summary/Keyword: Commercial operation

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An Enduranc Test for the Commercial Operation of the Korean EMU (표준전동차 실용화를 위한 내구도 시험)

  • 정종덕;김원경;한석윤;이관섭
    • Proceedings of the KSR Conference
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    • 2001.10a
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    • pp.376-383
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    • 2001
  • This paper describes the result of endurance test on the Sangju test track. The purpose of the test is to prove the endurance of the Korean EMU for the commercial operation. Test conditions are more severe than actual operation on the commercial line. As of October, test result is good without severe problems. After 100,000km of test operation, the EMU will be delivered to operation cooperation for th commercial operation.

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The study of adopting the hydroforming method in the front axle of the commercial vehicle (대형 상용차 앞차축 액슬 하이드로포밍 공법 적용 연구)

  • Jeon, D.H.;Kim, Y.G.;Na, S,M.;Park, D.S.
    • Proceedings of the Korean Society for Technology of Plasticity Conference
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    • 2008.10a
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    • pp.169-173
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    • 2008
  • This study is concerned with adopting the hydroforming method in the front axle of the commercial vehicle. Generally the front axle of the commercial vehicle is made bγ the several operations of press forging. This product supports the big weight of the vehicle and load. The weight of the press forging parts is also so more than it of the press parts of the passenger car. So, we have studied the hydroforming method to lessen the weight of the front axle of the commercial vehicle. To apply the hydroforming method in the commercial vehicle, we had to use the operation of reducing the diameter of the used tube prior to the hydorforming operation.

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A Study on TPS based on ATO for Driverless LRT (ATO 자동운전 기반의 무인운전 경전철 TPS에 관한 연구)

  • Lee, Chang-Hyung;Lee, Jong-Woo
    • Proceedings of the KSR Conference
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    • 2008.11b
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    • pp.1132-1137
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    • 2008
  • Automatic Operation based on ATO (Automatic Train Operation) is necessary for driverless Light Rail Transit business. When this kind of driverless LRT operation plan is made, TPS (Train Performance Simulation) is traditionally simulated at all-out mode and coasting mode based on manual operation. Commercial schedule speed equals to all-out speed minus $9{\sim}15%$ make-up margin. Coasting mode TPS simulation is also run at commercial schedule speed to calculate run time and energy consumption. But TPS based on manual operation should make an improvement on accuracy in case of driverless LRT operation Plan. In this paper, new fast mode TPS simulation using ATO pattern is proposed and show near actual ATO result. The actual ATO pattern can be accurately simulated with the introduction of 4 parameters such as commercial braking rate, jerk, station stop profile and grade converted distance. Normal mode TPS simulation for commercial schedule speed can be designed to have fast mode trip time plus 3 seconds/km margin recommended by korean standard LRT specification.

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A Study on the Organization and Operation of the Inter-Korean Commercial Arbitration Committee in Gaeseong Complex (개성공단에서의 남북상사중재위원회 구성.운영에 관한 연구)

  • Kim, Kwang-Soo
    • Journal of Arbitration Studies
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    • v.24 no.2
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    • pp.3-31
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    • 2014
  • As all aspects of international activity have kept growing in good transaction, transnational investments, joint ventures, and the licensing of intellectual property, it is inevitable for disputes to increase across national frontiers. International disputes can be settled by arbitration and ADR. In the situation presented in the paper, any dispute shall be finalized by arbitration and conciliation in the Gaeseong Industrial Complex. Inter-Korean Commercial Arbitration in the Gaeseong Industrial Complex has become the principal method of resolving disputes in trade, commerce, and investment in accordance with the "Agreement on South-North Commercial Dispute Settlement Procedures," "Agreement on Organization and Operation of Inter-Korean Commercial Arbitration Committee," and the Annexed Agreement on "Organization and Operation of Inter-Korean Commercial Arbitration Committee" (2013). But the follow-up measures of the said agreements have not been fulfilled. Some prerequisite measures of the Inter-Korean commercial arbitration must be satisfied. In order to proceed with arbitration and conciliation in the Gaeseong Industrial Complex, we need to ask the following: Does the status of an arbitrational matter? Should an agreement to arbitrate contain a choice of law clause? Should one provide for one arbitrator or three? How should the arbitrators be selected? What is the relation between party-appointed arbitrators and the presiding arbitrator (neutral arbitrator)? Do arbitrators compromise more than the litigation? Can conciliation be combined with arbitration? To execute the enactment of arbitration regulations, the contents of the Arbitration Rules of the Korean Commercial Arbitration Board (South) and the Korea International Trade Arbitration Committee (North), together with the Korean Arbitration Act and External Arbitration Act of North Korea and the UNCITRAL Model Arbitration Law and UNCITRAL l Arbitration Rules are reflected in the Rules. There are many aspects of the Inter-Korean Commercial Arbitration. It is essential to understand key elements; namely, the arbitration agreement, appointment of arbitrator, arbitral proceeding and arbitral award, and enforcement and setting aside of arbitral award. This research deals with five chapters. Chapter 1 provides the introduction. Chapter 2 deals with trade volume between South and North Korea and the kinds of dispute in Gaeseong. Chapter 3 addresses contents and follow-up measures of the agreement on the "South-North Commercial Dispute Settlement Procedures," "Agreement on Organization and Operation of Inter-Korean Commercial Arbitration Committee," and the Annexed Agreement on "Organization and Operation of Inter-Korean Commercial Arbitration Committee" (2013). Chapter 4 features the problems and tasks of the pertinent agreements. Chapter 5 gives the conclusion. Enabling parties to find an amicable solution to the dispute in the Gaeseong Industrial Complex can lead to a useful and appropriate framework either through direct negotiation or by resorting to conciliation or mediation in accordance with pertinent agreements and follow-up measures contained in the agreements.

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A Study on the Improvement Plan for the Revitalization of Commercial Facilities in Railway Station Building - Focused on Ecute of Commercial Facilities of Railway Station Building in Japan - (철도 역내 상업시설의 이용 활성화를 위한 개선방안 모색 - 일본의 역내 상업시설 'ecute'에 관한 고찰을 중심으로 -)

  • Moon, Suh-hyun
    • Korean Institute of Interior Design Journal
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    • v.26 no.3
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    • pp.101-112
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    • 2017
  • Based on an analysis of the characteristics of "Ecute" of the East Japan Railway Company (JR East) that planned the world's first large scale commercial facilities inside a ticket gate (paid-area including waiting room and platforms), the present study proposes a brand development of commercial facilities inside aged railway stations, where only basic railway business have been provided focusing on passenger transportation, by renewing the definition of railway commercial facilities and presenting a detailed planning and the direction of the operation system. A list of practical tasks that can be carried out in academia, planning and operation / management to facilitate the revitalization of the use of commercial facilities inside railway stations are as follows: 1) the setting of a wide scope for the revitalization of railway commercial facilities around the railway station focusing on private-funded stations in addition to existing stations; a setup of the direct scope of commercial development in the practical railway operation for passengers and stations in terms of external research, and a corresponding shift in thinking in terms of internal research 2) development of under used spaces such as the transfer area (Gongdeok Seoul Wangsimri Station are first target stations where more than four subway lines intersect) 3) brand establishment through improvement strategies for image and symbolism specialized for railway stations 4) rent of suitable business stores and layout of commercial facilities by analysis of passenger move pattern 5) development of commercial facilities which can attract customers by displaying various products, as well as finding a way to develop them in to a base facility that connects to local infrastructures 6) providing advertisement and management system for continual maintenance, and 7) brand specialization through unique storytelling and design plan that stimulates sensibility. The above study results can be utilized as a starting point for design brand awareness about commercial facilities in railway stations in Korea, which can be developed further to improve station image and passenger convenience, as well as to increase the revenue of railway businesses.

A Study on the Readjustment Plans for Solution of Conflict in Gaeseong Complex - Centering around the Inter-Korean Commercial Arbitration System (개성공단 분쟁해결 제도 정비방안 - 남북상사중재제도를 중심으로)

  • Hwangbo, Hyun
    • Journal of Arbitration Studies
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    • v.29 no.4
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    • pp.3-31
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    • 2019
  • In order to achieve full-scale economic cooperation between North Korea and South Korea, the Gaesong Industrial Complex should reopen first. In this case, the Inter-Korean commercial arbitration system should be clearly established to effectively resolve the disputes arising in the special economic zones of the Gaesong Industrial Complex. Even though the Inter-Korean Investment Security Agreement, the Agreement on the Resolution of Commercial Disputes between North Korea and South Korea, the Agreement on the Formation and Operation of the Inter-Korean Commercial Arbitration Committee, and the Agreement on the Formation and Operation of the Inter-Korean Commercial Arbitration Committee in the Gaesong Industrial District are in place, specific arbitration procedure is not concretely agreed upon and realized between the two Koreas. Therefore, the realization of commercial arbitration between them led by the Ministry of Unification or the government should be accomplished. In addition, it is necessary to consider the administrative trial or administrative litigation system in order to deal with administrative disputes that are not subject to commercial arbitration. Lastly, discussions on legal integration between the two Koreas should continue, focusing on the special economic zone of the Gaesong Industrial Complex, in order to prevent integration from being hindered by a different culture for a long time.

Experience in Combustion of Various Dewatered Sludges at a Commercial-Scale Fluidized Bed Incinerator

  • Gu, Jae-Hoi;Yoo, Byung-Sang;Yeo, Woon-Ha;Seo, Yong-Chil;Lee, Jea-Keun
    • Proceedings of the Korea Society for Energy Engineering kosee Conference
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    • 2000.11a
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    • pp.91-96
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    • 2000
  • A commercial-scale Fluidized Bed Incinerator(FBI) to treat dewatered sludges has been developed by Jindo Corporation, Korea, as one of the governmental R&D project during 1990 to 1997. The FBI plant was constructed at Kunsan city and fully in operation after finishing the successful test-burn period since June 1998. The company now has a capability of the design, construction and operation of commercial FBI plants. This paper introduces the experiences of design and operation of Kunsan FBI plant, which has the capacity of 60 ton/day and incinerates various sludges from waste water treatment facilities and liquid waste such as waste oil or waste solvent.

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Conceptual Design of Electrical Power Subsystem for Cube Satellite with Permanent Magnet Attitude Stabilization Method (큐브위성용 상용 전력계 부품을 적용한 영구자석 자세제어 안정화 방식 큐브위성의 전력계 개념설계)

  • Park, Tae-Yong;Chae, Bong-Geon;Jung, Hyon-Mo;Oh, Hyun-Ung
    • Journal of Aerospace System Engineering
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    • v.8 no.1
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    • pp.42-47
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    • 2014
  • The role of Electrical Power Subsystem (EPS) is to generate a power and distribute it to the electrical devices for the system operation. For on-orbit operation of cube satellite, it is also necessary to supply power to on-board mission devices as commercial satellite does. Recently, commercial EPS products dedicated for the cube satellite application has been developed and widely used for the power subsystem design. In this paper, a permanent magnet attitude stabilization method without external power has been introduced because it has advantage from power consumption point of view and the EPS design of cube satellite by applying the commercial EPS products has been introduced and investigated. This paper also deals with the specification of the commercial EPS products for the beginner of the cube satellite design.

Thermal environmental performance evaluation of 4kW power electronic cooling system for commercial vehicle (4kW급 상용차량용 전력전자 냉방장치의 열 환경 성능평가)

  • Han, Keun-Woo;Kim, Seong-Gon;Lee, Chung-Hoon;Choi, Myoung-Hyun;Jung, Young-Gook
    • Proceedings of the KIPE Conference
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    • 2017.07a
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    • pp.290-291
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    • 2017
  • This study deals with an evaluation method for testing the robustness of the 4 kW commercial power electronic cooling system to the thermal environment. The power electronic cooling system consists of a cascaded push-pull DC / DC converter, a three-phase DC / AC inverter, and an electric compressor. The system manufactured by the thermal environment evaluation test (heat distribution test, thermal impact test, high temperature operation test, temperature cycle test, low temperature operation test) for the commercial electric power cooling system for commercial vehicle proves that it is robust against thermal environment.

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Design and Implementation of EMS for Real-Time Power Generation Control of Wind Farm Based on Wake Effect Optimization (후류 영향 최적화 기반 실시간 풍력발전단지 발전 제어용 EMS의 설계 및 구현)

  • Kim, Joon-Hyoung;Sung, Ki-Won;Jung, Sung-Hwan
    • Journal of Korea Multimedia Society
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    • v.25 no.8
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    • pp.1097-1108
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    • 2022
  • This paper aimed to design and implement an EMS for real-time power generation control based on wake effect optimization of wind farm, and then to test it in commercial operating wind farm. For real-time control, we proposed the wake band-based optimization and setting the wake effect distance limit, and when the wake effect distance limit was set to 7D in the actual wind farm layout, the calculation time was improved by about 93.94%. In addition, we designed and implemented the script-based EMS for flexible operation logic management in preparation for unexpected issues during testing, and it was installed and tested on a wind farm in commercial operation. However, three issues arose during the testing process. These are the communication interface problem of meteorological tower, the problem of an abnormal wake effect, and the problem of wind turbine yaw control. These issues were solved by modifying the operation logic using EMS's script editor, and the test was successfully completed in the wind farm in commercial operation.