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Civil-Comp Conferences
ISSN 2753-3239 CCC: 1
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 22.9
Ride comfort evaluation on Alfa Pendular trains during the Porto - Lisbon connection P. Silva1, E. Seabra1 and J. Mendes2
1School of Engineering, University of Minho, Guimaraes, Portugal P. Silva, E. Seabra, J. Mendes, "Ride comfort evaluation on Alfa Pendular trains during the Porto - Lisbon connection", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 1, Paper 22.9, 2022, doi:10.4203/ccc.1.22.9
Keywords: comfort analysis, whole-body vibration, trains, ISO 2631.
Abstract
Comfort is a key condition to keep customers satisfied. On train journeys this parameter is highly influenced by vibration transmission from the vehicle to the user, resulting in whole-body vibration. ISO 2631 standard is specially dedicated to the measurement and evaluation of this type of vibration.
In the present study, this methodology was applied to evaluate the whole-body vibration on the Portuguese Alfa Pendular trains during the Porto – Lisbon connection. Measurements were performed on 3 different seat locations inside the train. Regarding total acceleration, the obtained results were very low, and the comfort of the journeys was confirmed. Moreover, the seat surface showed to amplify the floor vibration. The acceleration measurements were also classified according with the comfort level and highlighted the trip comfort and vibration transmission.
This was the first whole-body vibration study performed on Portuguese trains
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