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복합재료 FRP로 제작된 Rotor Blade 진동특성 분석에 관한 실험적 연구
백진성(Paik, J.S.),이강수(Lee, K.S.),박종빈(Park, J.V.),이정탁(Lee, J.T.),손충렬(Son, C.Y.) 한국소음진동공학회 2005 한국소음진동공학회 논문집 Vol.15 No.11
The purpose of this paper is that investigates the dynamic behavior characteristic of W.T.S (wind turbine system) and carries out the evaluation analysis during operating W.T.S. To investigate the dynamic behavior characteristic of W.T.S, the experiments to measure vibration of the blade from the attached accelerometer on the flap and edge section of the blade that is one of the most important elements of dynamic characteristic of W.T.S are performed. Natural frequency and mode shape are calculated with commercial program ( ANSYS) using the measured vibration acceleration that receives the signal with F.F.T Analyzer from the accelerometer For validation of these experiments, the finite element analysis is performed with commercial F.E.M program (ANSYS) on the basis of the natural frequency and mode shape. The results indicate that experimental values have good agreements with the finite element analysis.
판토그라프 접촉력 측정을 위한 스트레인 게이지 내장형 센서 개발
박찬경(Chan-Kyoung Park),백진성(Jin-Sung Paik),김영국(Young-Guk Kim),김기환(Ki-Hwan Kim) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
The KTX-Sancheon has been commercially operating on the high-speed line since March. 2. In order to verify the performance of high-speed train and core equipments such as current collection system, sophisticated tests and evaluating procedures should have been considering. In this paper, the load cell with a built-in strain-gauge which developed to improve measuring method of contact force between the pantograph and catenary system is introduced. The static test results of the load cell shows that its design is very suitable and applicable for the dynamic test and on-line test. After the test and evaluation of load cell's dynamic calibration with pantograph, we will be applied to test interaction characteristics between the pantograph and catenary system on the high-speed line.
TCN(Train Communication Network) 통신 시험용 WTB(Wire Train Bus) Analyzer 개발
전성준(Jeon Seong-joon),백진성(Paik Jin-sung),손강호(Shon Kang-ho) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
In Korea, TCN has applied to the Korean High-speed Train (HSR350X) through G7 High-speed Train development project. TCN is the most suitable international standard communication network for distributed control systems that is adopted for high-speed of vehicle, safety and flexibility. TCN is the network exclusively for the high-speed train and electrical trains. This TCN satisfies the network standards. The network standards are real time communication, fault tolerance design, integrated data system, resistance of environment, automated recognition for modification of vehicle formation and maintenance. The purpose of this research is applying the development of WTB analyzer which is part of communication network system TCN, to check the communication of high-speed trains and electrical trains.
유한요소해석 기법을 이용한 고속철도용 판토그래프 집전성능 평가 및 민감도 분석
이진희(Jin-Hee Lee),백진성(Jin-Sung Paik),김영국(Young-Guk Kim),박태원(Tae-Won Park) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
In this paper sensitivity analysis of the pantograph for the high-speed Train was conducted using finite element analysis method. Dynamic interaction of catenary-pantograph model was simulated by using a commercial finite element analysis software SAMCEF. Pantograph was assumed to be three degree of freedom mass-spring-damper model and the pre-sag of the contact and messenger wire was implemented due to gravity. The span data of the actual high-speed line and specification of pantograph for high-speed train was applied in the analysis model respectively. The reliability of the simulation model is verified by comparing the contact force results of simulation and test. Through the simulation mean contact force and its deviation was evaluated and then sensitivity of the pantograph was analyzed.
아마르(AMAR AINOUSSA),장대성(D.S Chang),백진성(J.S Paik) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
As the South Korean rolling stock industry is developing designs for full compliance with the European Standards, it is fitting to take a look at these two core standards. The paper presents an overview of the load cases and structural requirements developed in Europe for the design of safe and compatible rolling stock vehicles. These load cases and structural requirements have been compiled into two standards namely EN12663 and EN15227. Standard EN12663 was developed as a reference design requirements standard. The work was mandated and sponsored by the European Committee for Standardization and Standard issuing National Institutions. EN12663 specifies a series of proof and fatigue load cases for European rolling stock regulations compliant vehicle designs. As EN12663 does not address the crashworthiness issue, a dedicated crashworthiness standard, EN15227, was therefore developed in a similar manner through industry wide consultations managed by a Trans-European working group of experienced engineers and specialists. In both standards, the vehicle and/or trains are grouped into categories reflecting the vehicle types and/or their indented operational function. EN15227, developed to complement EN12663, addresses the "passive" crashworthiness capability of the vehicles and trains. EN15227 specifies reference crash scenarios similar to those found in the Technical Specification for Interoperability (TSI) of high speed trains operating in Europe. The overview also touches on a general comparison with the corresponding British Group Standard (GM/RT2100) and also the UIC leaflet based load cases. The exercise is extended to pertinent design load cases specified by the Federal Railroad Administration (FRA) in the US.
음성 통화 저장 기능을 제공하는 고속전철용 Event Recorder 연구
송규연(Song Gyu Youn),이상남(Lee Sang Nam),류희문(Ryu Hee Moon),백진성(Paik Jin Sung) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
A event recorder system stores a train speed and the related information for train operation in real time. Using those information, we can analysis the train operation and the reason of train accident. Currently the event recorder only manipulate the data related the train operation mechanically and electrically. In this paper we propose the event recorder to record the voice communication between the manager in the control center and train operator. By recording the voice communication in the high speed train, the correctness of analysis of train accident can be increased. The system architecture of the event recorder with voice recording is studied and interface between other equipment is proposed. And the software architecture of new event recorder is developed. We study the method of converting analog voice signal into digital data and compressing method. Also the architecture of memory to store the compressed voice data and regeneration of original analog voice are studied.