Analyzing the Natural Vibration Characteristic of the Motor coach of CRH Influence on Human Beings

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (1) : 121-123,.

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Analyzing the Natural Vibration Characteristic of the Motor coach of CRH Influence on Human Beings

LI Ling-;SONG Gui-qiu; MA Yuanyuan; WEN Bang-chun

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Abstract

First, using harmonic response analysis the Motor coach of CRH to get the body structure harmonic response characteristics in the range of 0~100Hz. and get the value and frequency response curve which related to the passengers’ traveling comfort, get the Human Body inherent sensitivity of the vibration characteristics frequency bands in the harmonic load after contrasting in different parts of the body or the natural frequency of the Human Body system. Then using the track irregularity as an example, analysis random vibration (PSD) to forecast the structural response when be based on incentives in the actual operating condition, and analysis the frequency ranges and reasons which affecting passengers traveling comfort in the actual running condition.

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CRH / Harmonic Response Analysis / Spectrum Analysis

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LI Ling-;SONG Gui-qiu;MA Yuanyuan;WEN Bang-chun. Analyzing the Natural Vibration Characteristic of the Motor coach of CRH Influence on Human Beings[J]. Journal of Vibration and Shock, 2011, 30(1): 121-123,