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Ride Comfort and Road Holding

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The Science of Vehicle Dynamics

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Abstract

The capability to smooth down the road imperfections affects both the comfort and the road holding of the vehicle. Improving comfort means, basically, limiting the vertical acceleration fluctuations of the vehicle body and hence of passengers. Improving road holding means, among other things, limiting the fluctuations of the vertical force that each tire exchanges with the road. In this chapter suitable models for improving the comfort and/or the road holding of the vehicle are developed. Quite interestingly, it is shown that a well tuned vehicle should have proportional damping, although it appears that this aspect is not commonly taken into account in traditional vehicle dynamics. The benefits of inerter in a Formula car are also discussed in detail.

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Notes

  1. 1.

    Of course, we mean fluctuations due to road imperfections, not to load transfers.

  2. 2.

    The quarter car model is a two-degree-of-freedom system whose damping is certainly not proportional. It is worth comparing (8.63) with the more general (8.34).

  3. 3.

    Other common names are motion centers or oscillation centers.

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Authors and Affiliations

  1. Dip. di Ingegneria Civile e Industriale, Università di Pisa, Pisa, Italy

    Massimo Guiggiani

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  1. Massimo Guiggiani
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© 2014 Springer Science+Business Media Dordrecht

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Guiggiani, M. (2014). Ride Comfort and Road Holding. In: The Science of Vehicle Dynamics. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-8533-4_8

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  • DOI: https://doi.org/10.1007/978-94-017-8533-4_8

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-017-8532-7

  • Online ISBN: 978-94-017-8533-4

  • eBook Packages: EngineeringEngineering (R0)

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