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고속열차 주행을 위한 판토그래프와 가선시스템과의 동적응답 해석
신승권(Shin Seung-Kwon),송용수(Song Yong-Soo),문형석(Mun Hyung-Seok),엄기영(Eum Ki-Young),김재문(Kim Jae-Mun) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
The development of the European railway high speed network brings new problems related to the interoperability across the railways of different countries. The pantograph and the overhead wire form a dynamic coupled system and they affect each other through the contact force. Unfortunately, as the operational speed of a train increases, the vibration of the pantograph and the overhead wire also increases. This may lead to a zero contact force between the pantograph head and the overhead wire, which can results in the loss of contact, arching and abrasion. If the arching and spark happen between the pantograph and the overhead catenary system, the EMI(electro magnetic interface) and noises may occur. After all, the quality of current collection is deteriorated. This paper describes the dynamic response between the pantograph and catenary system by the numerical simulations and predicts the possibility of operating the high-speed train in the conventional lines.
틸팅 차량 모의장치개발을 위한 단순화된 철도차량 모델링
김정석(Jung-Seok Kim),송용수(Young-Soo Song),한성호(Seong-Ho Han) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
This paper presents a simplified dynamics of railway vehicle for a tilting train simulator. The tilting train simulator has 6 electric-driven actuators and a visualization system with 1600㎜-diameter dome screen. The each system shares the data by ethernet. In order to analyze the dynamics of railway vehicle and transfer the results of the analysis 10 the other system of the tilting train simulator in realtime base, We assumed the tilling train as a simplified rigid body model with primary and secondary suspensions. The simplified vehicle model has a 17-DOF. Through the running analysis on the tight curve with various radius. we verified the simplified vehicle model.