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金泰燾(Kim tae-do) 한국일본문화학회 2000 日本文化學報 Vol.9 No.-
The purpose of this study is to examine what 'Sinra-Myozin' really means and what it stands for. The developmental aspect is also studied through the examination of the texts Sinra-zinja which is in existence. This study started from the question what 'Sinra-Myozin' means, which appeared as a guardian deity of 'Mi-i-dera' in the text like 'Onzozi-ryukae-Enggi', 'Konzaku-Monogatari', and 'Kokon-Chornozu'. For this study, the methods are as follows: First, after reviewing the previous study, the relation between monks who went to Dang to seek after Buddhism like Enchin and En-nin and Shinra men who lived in Dang who lived in Sandong Peninsula is investigated through the theory of the hyperthesis that Shinra's legendary general Jang Bo Go has revived among them. As the result of this study, it is revealed that the role of Shinra men who lived in Dang was beyond that of just providing ships or lodgings. In addition, the meaning about the portraits of 'En-chin' and 'En-nin' which are presently in existence. Second, with an examination about the distinctive features of the power of Shinra men who lived in Dang and Shinra men who lived in Japan through the result of the previous study, this study makes some attempt to prove the possibility that 'Sinra-Myozin' represented Jang Bo Go in the 9th century. Third, the developmental aspect of the religion is investigated by the study of the origin of the God worshiped in the shrine through the inquiry of 'zinja' which is called 'Sinra-zinja' nowdays, So we can find out that there are three kinds of 'Sinra-zinjas': One is what belongs to the lineage of 'Enchin' which is thought to be related with lang Bo Go. Another is what belongs to the lineage of 'Susano-ono-mikoto'. The third is the mixture of the above two. Among them, this study focuses on 'Sinra-zinja' in 'Himezi' city which could be the mixed type and investigates the changing history of the name, that is, the meaning of its pronunciation changing from 'Sima' to 'Siragi'.
도시철도차량 객실 혼잡 측정데이터 유효성 검증을 위한 모의테스트
김영규(Young Gyu Kim),김태도(Tae Do Kim),김영수(Young Su Kim),이석흥(Suk Heung Lee),정구인(Ku In Jung),김노중(No Joong Kim),오정애(Joung Ae Oh),신민창(Sin Min Chang) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.5
본 연구는 도시철도역사 이용 혼잡관리 기술개발의 전동차 객실 혼잡도 측정시스템, 혼잡도 제어장치와 혼잡도 측정장치 기술 개발과제로 전동차 객실 내 승객의 체감혼잡도를 낮추고자 전동차 객실 내부의 혼잡도 측정데이터를 상용 LTE망에 전송하여 유효성 및 신뢰성 검증을 위한 모의테스트에 대하여 기술하고자 한다. This study sends a congestion measurement data of the train room inside to lower the city railway history using congestion management technologic EMU rooms congestion measuring system, congestion control and congestion measurement experience congestion within the device Development Project Room passengers on a commercial LTE network and to describe the practice test for the validity and reliability test.
VVVF 전동차 추진제어장치 전력변환 소자 변경적용에 관한 연구
이상오(Sang Oh Lee),김태도(Tae Do Kim),박시영(See Young Park),전진형(Jin Hyeong Jeon),김현철(Hyun Cheol Kim),김택주(Taeg Ju Kim),고윤권(Yun Gwon Go),임동원(Dong Won Lim) 한국철도학회 2015 한국철도학회 학술발표대회논문집 Vol.2015 No.10
서울메트로에서 운용 중인 VVVF 전동차 중 GTO Type 의 추진제어장치는 20 년 이상의 장기사용에 따른 성능저하 및 소자 단종으로 유지보수에 많은 어려움을 겪고 있다. 추진제어장치는 크게 제어기유니트와 반도체 STACK 으로 구분되며, 특히 반도체 STACK 은 GTO 소자불량 및 냉매누설에 의한 냉각성능 저하로 고장이 증가하는 추세로 현재 막대한 비용으로 추진제어장치 시스템 교체가 이루어지고 있다. 교체 비용의 효율성 측면에서 기존 제어기유니트는 사용하고 고장이 증가하고 있는 전력반도체 STACK 을 GTO Type 에서 IGBT Type 으로 변경하여 전동차 추진제어장치를 개량하는 연구가 진행 중에 있다. 본 연구는 2 종류의 전력반도체 소자의 특성 및 Switching 속도 차이 등으로 인해 발생하는 기존 제어기유니트와의 호환성 문제를 해결하여 전동차 운행 시 안정성과 운용 효율성을 확보하고자 하였다. Propulsion control apparatus of GTO Type in VVVF train that is operating in Seoul Metro has experienced many difficulties in maintenance to a decrease in performance and elements discontinued due to the long-term use of more than 20 years. Propulsion control system, large, is divided into the controller unit and the semiconductor STACK, especially semiconductor STACK trend in the exchange of propulsion control device system in the current enormous cost to increase failure to degradation of the cooling performance of the GTO element failure and refrigerant leakage It has been carried out. Existing controller unit in terms of the efficiency of the replacement cost of the power semiconductor STACK failure is increasing use by changing the GTO Type the IGBT Type, research is underway to improve the train propulsion control system It is. In this study, an attempt is made to ensure the two compatibility issues are resolved to train stability and operational efficiency during operation of the existing controller unit due to such characteristics and Switching speed difference of the power semiconductor element of.
도시철도차량 추진제어장치 전력변환 소자 혼용 운용에 관한 연구
이상오(Sang Oh Lee),구정서(Jeong Seo Koo),한성호(Seong Ho Han),김태도(Tae Do Kim),김주태(Joo Tae Kim),고윤권(Yun Gwon Go),임동원(Dong Won Lim) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.5
서울메트로에서는 4 호선 현대 VVVF 전동차 추진제어장치인 C/I 장치의 주 전력 변환소자를 GTO 에서 IGBT 로 변경하여 현차에 적용하는 연구가 진행 중으로 연구 초기 전동차에 혼용 설치하여 시험한 결과 IGBT Type 을 적용한 해당 차호(1 량)에서 GTO Type 이 적용되어 있는 타 차호(4 량)와 출력 전류 불균형으로 견인력 부족 현상이 발생하였다. 이러한 현상은 2 종류 전력소자의 동작 특성 차이로 기존 GTO Inverter 를 구동시키는 제어기 Switching 신호에 대해 IGBT Inverter 차량의 응답성능이 GTO 차량과 다르게 나타나는데 원인이 있는 것으로 파악되었다. 2 가지 전력소자를 1 편성 전동차에 혼용 사용하였을 때 차량간 발생 되는 응답성능을 맞추기 위해 IGBT 적용 차량에 제어기와 GDU 간 인터페이스 보드를 제작 설치하여 시험하였으며, 그 결과 GTO Type 과 IGBT Type 차량간 동등한 Switching 응답성능을 확보하며 혼용사용에 대한 호환성을 확인하였고 전동차 운행 시 정상적인 운행 성능과 편안한 승차감을 유지하도록 하였다. In Seoul Metro, Researching VVVF train of Line 4 by HYUNDAI what Changing and Applying State power conversion device IGBT of propulsion control device C/I from GTO. At initial we got a result when installed IGBT mixed GTO that was lack of traction from to imbalance of Output current between applied Type of IGBT(1-car) to applied Type of GTO(4-car). This phenomenon, two kinds of response performance of the IGBT Inverter vehicle to the controller Switching signal for driving the existing GTO Inverter differences in the operating characteristics of the power element is grasped that there is cause to appear unlike GTO car It was, To make balance with two power device when installed IGBT mixed GTO at one train, we installed interface board between the controller because matching the response performance to be generated between the vehicle when the mixed use one train. As a result, to ensure the GTO Type and IGBT Type vehicle between the uniform Switching response performance to verify its compatibility for mixed use, when the train service, was to maintain the normal operating performance and comfortable ride.
이상익,이경섭,김태도,이동형 대한금속재료학회(대한금속학회) 1986 대한금속·재료학회지 Vol.24 No.12
Dual phase steels are characterized by a microstructure consisting of a dispersion of about 20 percent of hard martensite particles in a soft, ductile ferrite matrix and their mechanical properties are controlled by martensite and ferrite matrix In this experiment the effects of the volume fraction of the martensite phase and martensite distribution on the hydrogen embrittlement of the dual phase steel were investigate. As the volume fraction of the martensite phase increased and the intermartensite distance decreased, higher degree of the hydrogen embrittlement was observed. The hydrogen was found to increase the decohesion of ferrite/martensite interface.