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- W4386208097 abstract "The vibration of high-speed trains induced by track irregularities is a main factor affecting ride comfort. Especially, the long-wavelength track irregularities can reduce the passengers’ ride comfort by increasing the vibration of the high-speed trains. A three-dimensional human body model coupled to a vehicle body and tracks is established to form a coupled human-seat-vehicle-track system for investigating the influence of the long-wavelength track irregularities on ride comfort. The parameters of the seated human model are determined by measurement based on the multi-island GA method. The coupled model is then used to evaluate the ride comfort of high-speed trains using ISO 2631 under the excitation of the track longitudinal level irregularities. The effects of primary, secondary suspension, and seat support vertical stiffness and damping on ride comfort are analysed. The results show that the track's longitudinal irregularities lead to high human body vibration levels and large ride comfort indices (lower ride comfort), especially when the irregularity excitation frequency is near the natural frequency of the high-speed train. The passengers’ ride comfort is more sensitive to the vertical secondary suspension stiffness than the other suspension parameters." @default.
- W4386208097 created "2023-08-28" @default.
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- W4386208097 date "2023-08-28" @default.
- W4386208097 modified "2023-10-17" @default.
- W4386208097 title "Analysis of the influence of track irregularity on high-speed train ride comfort" @default.
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- W4386208097 doi "https://doi.org/10.1080/00423114.2023.2250888" @default.
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