Power spectral density approximations of longitudinal road profiles

Peter Andren

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International Journal of Vehicle Design

Article . 2006 . Peer-reviewed

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https://dx.doi.org/10.1504/ijv...

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Power spectral density approximations of longitudinal road profiles

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2006 English Publisher:Inderscience PublishersJournal:International Journal of Vehicle Design, volume 40, page 2 (issn: 0143-3369, eissn: 1741-5314,

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Authors: Peter Andren;

doi: 10.1504/ijvd.2006.008450

Power spectral density approximations of longitudinal road profiles

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Abstract

The power spectral density (PSD) representation of road profiles can be used both to assess the road roughness, and as an input to vehicle dynamics. The PSD is often approximated with a simple function, using only a few parameters. The present paper presents a literature survey of such PSD approximations, and tests four approximations on longitudinal road profile data from the entire Swedish state road network.

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