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http://dx.doi.org/10.5050/KSNVE.2012.22.8.713

Investigating Natural Frequency Analysis and Measurement of Railway Vehicle to Avoid Resonance  

Hong, Do-Kwan (한국전기연구원 전동력연구센터)
Jeong, Jae-Boo (동아대학교 대학원 기계공학과)
Jung, Seung-Wook (동아대학교 대학원 기계공학과)
Kim, Gyeong-Bae (동아대학교 대학원 기계공학과)
Ahn, Chan-Woo (동아대학교 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.22, no.8, 2012 , pp. 713-719 More about this Journal
Abstract
This paper deals with the natural frequency analysis and two experiments to evaluate first twisting and bending natural frequency of railway vehicle. The KS R 9228 testing method is generally performed as pseudo FRF(frequency response function) which is widely used by two accelerometers. The exciting method is utilized using the load weight(1 ton release). The modal testing is used to verify KS R 9228 testing result and the natural frequency analysis result. The first twisting and bending natural frequency should be above 10 Hz by resonance which is mostly generated between bogie and vehicle frame exciting low frequency. The first twisting and bending natural frequency of railway vehicle are successfully verified between analysis and test.
Keywords
Railway Vehicle; Resonance; KS R 9228; Natural Frequency; Finite Element Analysis; Pseudo Frequency Response Function(FRF);
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