초록

․ 현가장치 최적화
- 주파수 분석을 통한 윤축-대차-차체의 전달함수 산출
- ADAMS/Rail 주행해석과 반응표면법을 이용한 현가장치 최적화
․ 비선형 크리프를 고려한 고속전철의 임계속도 해석
- 선형/비선형 크리프 이론과 차륜 형상에 따른 임계속도 해석
- 현가장치 설계변수와 플랜지 접촉의 임계속도 변화
․ 곡선구간에서의 철도차량 비선형 동적해석
- 현가장치, 곡률반경, 캔트량 변화에 따른 곡선주행 동특성 해석
- 완화곡선에서의 천이응답과 동적 탈선계수 산정

Abstract ▼

Ⅴ. The final results of research and application performance
■ Domestic Journal Publish
• Dynamic Analysis of Railway Vehicle with Wheel Unbalance, 2013, Seung-Il Lee, Yeon-Sun Choi, Transactions of the Korean Society of Mechanical Engineers, Vol. 37, No. 11, pp. 1387-1395.
• Field Measurem

Ⅴ. The final results of research and application performance
■ Domestic Journal Publish
• Dynamic Analysis of Railway Vehicle with Wheel Unbalance, 2013, Seung-Il Lee, Yeon-Sun Choi, Transactions of the Korean Society of Mechanical Engineers, Vol. 37, No. 11, pp. 1387-1395.
• Field Measurement of the Center of Gravity and the Moment of Inertia of Railway Vehicles Using Vibration, 2013, Ki-Seok Song, Yeon-Sun Choi, Transactions of the KSNVE, Vol. 23, No. 10, pp. 878-884.
• Wheel/Rail Contact Analysis with Consideration of Friction and Torque, 2014, Ki-Seok Song, Seung-Hee Han, Yeon-Sun Choi, Journal of the Korean Society for Railway, Vol. 17, No. 1, pp. 1-4.
• Analysis of the Critical Speed and Hunting Phenomenon of a High Speed Train, 2014, Ki-Seok Song, Ja-Choon Koo, Yeon-Sun Choi, Transactions of the Korean Society for Railway, Vol. 17, No. 5, pp. 342-348.
■ Foreign Journal Publish
• Dynamic analysis on wheel-set vibration due to wheel/rail contact, Seung-Hee Han, Ki-Seok Song, Ja-Choon Koo, Yeon-Sun Choi, 2014, International Journal of Advanced Railway, Vol. 2, No. 3, pp. 141-148.
• Optimization of Suspension Under the Condition of Curved Track in Railway Vehicle, Jong Yoon Choi, Zheng Yuan Li, Seung Guk Baek, Ki Seok Song, Ja Choon Koo, Yeon Sun Choi, 2014, IJR International Journal of Railway, Vol. 7, No. 2, pp. 57-63.
■ Software development
• Dynamic characteristic analysis software with railway vehicle bogie model (C-2014-031268)