Development of analysis tools and stochastic models of road profiles regarding their influence on heavy vehicle fatigue

Klas Bogsjö

Research output: Contribution to journalArticlepeer-review

Abstract

Road profiles are analyzed with focus on road characteristics essential for heavy vehicle fatigue assessment. Road profile measurements indicate that roads contain short sections with above-average irregularity. Such rough sections are shown to cause most of the vehicle fatigue damage. An algorithm using a spatial-frequency description is developed to automatically identify rough sections. On the basis of the analysis, a new stochastic road model, with randomly placed and randomly shaped irregularities, is proposed.
Original languageEnglish
Pages (from-to)780-790
JournalVehicle System Dynamics
Volume44
Issue numberS1
DOIs
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Probability Theory and Statistics

Free keywords

  • road roughness
  • stochastic road model
  • vehicle fatigue

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