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Load description and damage evaluation using vehicle independent driving events
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).ORCID iD: 0000-0002-6730-0214
2015 (English)In: Procedia Engineering, ISSN 1877-7058, E-ISSN 1877-7058, Vol. 101, p. 268-276p. 268-276Article in journal (Refereed) Published
Abstract [en]

We consider the loads that are related to steering events, and focus on the events that cause high forces on steering components. The load is simplified by keeping the extreme force value for each driving event. We define a simplified stochastic model for the load by modeling the extreme value for each driving event by a random variable. We give formulas to compute the theoretical load spectrum and the expected fatigue damage caused by the driving events. Further, in a sensitivity study we investigate how much the expected damage depends on the variability of parameters of the proposed model.

Place, publisher, year, edition, pages
2015. Vol. 101, p. 268-276p. 268-276
Keywords [en]
Fatigue damage index, hidden Markov models, Markov chain, rainflow cycles, vehicle independent load models, steering events
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-12448DOI: 10.1016/j.proeng.2015.02.026Scopus ID: 2-s2.0-84925724601Local ID: 23596OAI: oai:DiVA.org:ri-12448DiVA, id: diva2:970272
Conference
3rd International Conference on Material and Component Performance under Variable Amplitude Loading (VAL2015), March 23-26, 2015, Prague, Czech Republic
Available from: 2016-09-13 Created: 2016-09-13 Last updated: 2023-06-07Bibliographically approved

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Johannesson, Pär

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