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논문 기본 정보

저자정보
(Korea Railroad Research Institute) (Korea Railroad Research Institute) (Ethiopian Railway Corporation)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제34권 제6호(통권 281호)
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    초록·키워드

    The hyperloop capsule vehicle employs an Electro-Dynamic Suspension(EDS) magnetic levitation system utilizing non-contact superconducting electromagnets. This system exhibits the characteristics of a nonlinear suspension system, primarily determined by the nature of EDS, which serves as the primary suspension. The nonlinearity of this primary suspension is influenced by the varying distance between the guideway and the vehicle, as well as by the capsule vehicle’s speed. In this study, the effects of semi-active control on the vertical vibrations of a capsule vehicle, operating at speeds ranging from 150 km/h to 1000 km/h in a levitated state, were examined. The capsule vehicle was modeled as a 9-degrees-of-freedom system, incorporating vertical, roll, and pitch motions of the car body, front bogie, and rear bogie, respectively. To achieve vibration reduction, semi-active control was applied by utilizing a magnetorheological damper in the secondary suspension positioned between the bogie and the car body. The vibration mitigation performance across different speeds was then evaluated numerically.

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