Articles | Volume 17, issue 1
https://doi.org/10.5194/ms-17-333-2026
https://doi.org/10.5194/ms-17-333-2026
Research article
 | 
25 Mar 2026
Research article |  | 25 Mar 2026

Analysis of sensitive wavelengths in railway vehicles with different inerter-based suspension systems

Dilai Chen, Chunli Liu, Zhanghui Xia, Gengchen Sun, Rang Zhang, and Rui Song

Cited articles

Alves, H. P. C., Gonzalez, P. R., Raidam, F., and Gerlici, J.: Effect of primary suspension and friction wedge maintenance parameters on safety and wear of heavy-haul rail vehicles, Wear, 524–525, 204812, https://doi.org/10.1016/j.wear.2023.204812, 2023. 
Chen, D., Cao, W., Yang, C., and Wu, P.: Investigation of low-frequency lateral abnormal hunting for railway vehicle car bodies, J. Technol. Appl., 22, 263–269, 2022 (in Chinese). 
Chen, L., Sun, J., Li, H., and Guo, Y.: Frequency-domain characteristics of vibration response and its relationship with track irregularity wavelength for 400 km h−1 high-speed railway vehicles, China Railw. Sci., 46, 157–166, https://doi.org/10.3969/j.issn.1001-4632.2025.01.18, 2025 (in Chinese). 
Chen, Z. and Zhu, G.: Semi-active control of subway vehicles based on flexible multi-body dynamics, J. Traffic Transp. Eng., 21, 298–309, https://doi.org/10.19818/j.cnki.1671-1637.2021.06.024, 2021 (in Chinese). 
Chudzikiewicz, A., Bogacz, R., Kostrzewski, M., and Konowrocki, R.: Condition monitoring of railway track systems by using acceleration signals on wheelset axle-boxes, Transport, 32, 201–210, https://doi.org/10.3846/16484142.2017.1342101, 2017. 
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Short summary
This study examines how inerter-based suspensions affect rail vehicle vibration. Configurations S1, S2, and S4 are sensitive to short wavelengths (~20 m), while S3 and S5 respond to long wavelengths (~105 m). Configuration S5 outperforms the others, effectively suppressing longwave irregularities and maintaining superior ride comfort. These validated findings provide crucial insights for optimizing high-speed-train suspension designs.
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