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Towards a method for determining maximum oversteer in slippery conditions
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle technology and simulation.ORCID iD: 0000-0002-8242-3407
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle technology and simulation.
Swedish National Road and Transport Research Institute, Infrastructure, Crash safety.
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle technology and simulation.
2013 (English)In: Proceedings of 23rd International Symposium on Dynamics of Vehicles on Roads and Tracks (IAVSD'13). Qingdao, China, 19-23 August, 2013., 2013Conference paper, (Refereed)
Abstract [en]

Fatal accidents during winter time in Sweden are to a large extent due to vehicle spinning. Therefore, it is crucial to analyse and compare vehicle/tyre performance on slippery roads with respect to oversteering. In this study, a new test method for evaluation of vehicle's stability during oversteering on icy roadways is developed and evaluated using a series of tests with a rear wheel driven car, equipped with ESC, and six different tyres on ice test tracks in northern Sweden. The test method consists of an asymmetric sine-with-dwell manoeuvre and a measure forquantifying the level of oversteering based on the relation between yaw rate and lateral acceleration. The test results show good robustness of the method, and that it can successfully rate the various tyres performance on polished ice. However, to have a fair comparison, the proposed method should be modified to take into account the steering ability of the tyres and the consequent difference in the manoeuvre severity when tested with tyres with different side grip.

Place, publisher, year, edition, pages
2013.
Keyword [en]
Winter, Tyre, Skidding, Test method, Stability, Steering, Electronic stability program
National Category
Vehicle Engineering
Research subject
90 Road: Vehicles and vehicle technology, 911 Road: Components of the vehicle
Identifiers
URN: urn:nbn:se:vti:diva-217OAI: oai:DiVA.org:vti-217DiVA: diva2:656903
Conference
23rd International Symposium on Dynamics of Vehicles on Roads and Tracks (IAVSD'13). Qingdao, China, 19-23 August, 2013.
Available from: 2013-10-17 Created: 2013-10-17 Last updated: 2016-02-25Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf