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Dynamic Characteristics of the Noise and Vibration of High-speed Train's Wheelset using Time-varying Frequency Analysis  

Lee, Jun-Seok (과학기술연합대학원대학교/한국철도기술연구원)
Choi, Sung-Hoon (한국철도기술연구원, 차세대고속철도기술개발사업단)
Kim, Sang-Soo (한국철도기술연구원, 차세대고속철도기술개발사업단)
Park, Choon-Soo (한국철도기술연구원, 차세대고속철도기술개발사업단)
Publication Information
Journal of the Korean Society for Railway / v.12, no.4, 2009 , pp. 465-471 More about this Journal
Abstract
In this paper, a relationship between the noise and vibration of a high-speed train's wheelset is examined by using time-varying frequency analysis with random data analysis which together contributes to a reduction in the number of experimental running. The noise and vibration of the wheelset is mainly caused by an interaction between the wheel and railway which shows in non-stationary characteristics. For the analysis, they are measured by some microphones and accelerometers, and those signals are post-processed by time-varying frequency analysis with random data analysis. From the analysis, their methods are useful for analyzing the noise and vibration of high-speed train's wheelset.
Keywords
high-speed railway; wheelset; noise; vibration; time-varying frequency analysis; random data analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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