Modelling and experimental characterization of secondary suspension elements for rail vehicle ride comfort simulation
Modelling and experimental characterization of secondary suspension elements for rail vehicle ride comfort simulation
- New search for: La Paglia, Ivano
- Further information on La Paglia, Ivano:
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https://orcid.org/0000-0002-2066-9364
- New search for: Rapino, Luca
- Further information on Rapino, Luca:
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https://orcid.org/0000-0001-5744-5455
- New search for: Ripamonti, Francesco
- New search for: Corradi, Roberto
- New search for: La Paglia, Ivano
- Further information on La Paglia, Ivano:
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https://orcid.org/0000-0002-2066-9364
- New search for: Rapino, Luca
- Further information on Rapino, Luca:
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https://orcid.org/0000-0001-5744-5455
- New search for: Ripamonti, Francesco
- New search for: Corradi, Roberto
Secondary suspensions play an essential role in the dynamic behaviour of rail vehicles. In particular, they are adopted to reduce the vibrations transmitted to the carbody, thus improving ride comfort. In this paper, an experimental characterization of the viscous damper and coil spring elements composing a vertical secondary suspension is presented. The elements are separately tested with the aim of analysing their dynamic behaviour. Then, modified prototypes are manufactured to reduce the transmitted force. The results of the experimental campaign are later adopted to tune the parameters of the mathematical model of the whole secondary suspension, including the dynamics of both the coil spring and the damper elements. This model allows discussing the effectiveness of the proposed modifications, proving the design of both the components to be fundamental for the improvement of ride comfort.
Document information
Modelling and experimental characterization of secondary suspension elements for rail vehicle ride comfort simulation
2024-01-01
Article (Journal)
Electronic Resource
English
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