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논문 기본 정보

자료유형
학술저널
저자정보
Ki-Jung Kim (Chungnam National University) Hyung-Suk Han (Korea Institute of Machinery and Materials) Chang-Hyun Kim (Korea Institute of Machinery and Materials) Seok-Jo Yang (Chungnam National University)
저널정보
한국철도학회 International Journal of Railway International Journal of Railway Vol.4 No.4
발행연도
2011.12
수록면
97 - 102 (6page)

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초록· 키워드

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In an EMS (Electromagnetic suspension)-type Maglev (Magnetically-levitated) vehicle, the flexibility of the bogie frame may affect the acceleration of the electromagnet that is input into the control system, which could lead to instability in some cases. For this reason, it is desirable to consider bogie frame flexibility in air gap simulations, for the optimization of bogie structure. The objective of this paper is to develop a flexible multibody dynamic model of 1/2 of an EMS-type Maglev vehicle that is under testing, and to compare the air gap responses obtained from the rigid and the flexible body model. The feedback control system and electromagnet models that are unique to the EMS-type maglev vehicle must be included in the model. With this model, dynamics simulations are carried out to predict the air gap responses from the two models, of the rigid and flexible model, and the air gaps are compared. Such a comparative study could be useful in the prediction of the air gap in the design stage, and in designing an air gap control system.

목차

Abstract
1. Introduction
2. Model
3. Air Gap Simulation
4. Conclusion
Acknowledgements
References

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