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[학술저널]

  • 학술저널

윤란희(University of Science and Technology) 유원희(Korea Railroad Research Institute) 이진호(Korea Railroad Research Institute) 이창영(Korea Railroad Research Institute) 이관섭(Korea Railroad Research Institute)

DOI : 10.5050/KSNVE.2019.29.4.453

이 논문을 2019-10-18 에 이용했습니다.

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초록

The capsule train is a subsonic high-speed transportation system adopting electrodynamic suspension using a superconducting magnet. As the capsule train travels in a levitated state by using magnetic levitation force at a certain speed, the dynamic characteristics under those conditions must be considered. In this study, the running dynamic characteristics of a capsule train were studied in the speed range of 210 km/h to 1080 km/h. To analyze the dynamic characteristics of a capsule train comprising one carbody and two bogies, the equations with 15 degrees of freedom for vertical, lateral, roll, pitch, and yaw directions were derived. Based on the characteristics of a side wall EDS system, the effects of running speed, levitation coil pitch, and vertical and lateral displacement were taken into account for the levitation stiffness and guidance stiffness, which function as primary suspensions of capsule train. In addition, irregularities of the guideway in the vertical and lateral directions were considered in the analysis. Finally, the displacement and acceleration of capsule train were analyzed in terms of specific frequencies and those magnitudes.

목차

ABSTRACT
1. 서론
2. EDS 자기부상시스템의 특성
3. 캡슐열차의 주행 동특성 해석 모델
4. 분석 결과
5. 결론
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