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Friction utilization for tyre-road friction estimation on snow: an experimental study

Anton Albinsson (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system, Fordonsdynamik) ; Fredrik Bruzelius (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system, Fordonsdynamik) ; Bengt Jacobson (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system, Fordonsdynamik)
13th International Symposium on Advanced Vehicle Control, AVEC'16 (2016)
[Konferensbidrag, refereegranskat]

Friction estimation using effect-based approaches are challenging during normal driving due to the large tyre excitation needed for an accurate estimate. The required excitation level varies for different tyres, road surfaces, road conditions and tyre models used in the estimator. Previous research has investigated the required friction utilization on different surfaces but due to the small sample sizes it is hard to draw any general conclusions. This paper investigates the tyre excitation required to estimate the tyre-road friction coefficient with a generic estimator for 76 different tyres on snow for five different tyre models and for different levels of measurement noise.

Nyckelord: Vehicle Dynamics, Tyre-road friction estimation, State estimation



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Denna post skapades 2016-08-16. Senast ändrad 2016-09-16.
CPL Pubid: 240314

 

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