Entwicklung eines Bobsimulators

Rempfler, Georg Stefan

doi:10.3929/ethz-a-010474676

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Lateral Friction1

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2021

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“…Most studies were conducted in the context of a bob simulator or simulation model. Rempfler [15] developed a bob simulator and found a lateral friction coefficient of µ y = 0.02 − 0.1 to reproduce realistic driving behavior in the simulator, which is also described in [16]. Arnold [17] calculated an upper bound for the lateral friction coefficient based on results provided by Hainzlmaier [2] with µ y ≤ 0.11 − 0.28.…”

Section: Lateral Frictionmentioning

confidence: 99%

Modeling Ice Friction for Vehicle Dynamics of a Bobsled with Application in Driver Evaluation and Driving Simulation

von Schleinitz,

Wörle,

Graf

et al. 2021

Preprint

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We provide an ice friction model for vehicle dynamics of a two-man bobsled which can be used for driver evaluation and in a driver-in-the-loop simulator. Longitudinal friction is modeled by combining experimental results with finite element simulations to yield a correlation between contact pressure and friction. To model lateral friction, we collect data from 44 bobsleigh runs using special sensors. Non-linear regression is used to fit a bob-specific one-track vehicle dynamics model to the data. It is applied in driving simulation and enables a novel method for bob driver evaluation. Bob drivers with various levels of experience are investigated. It shows that a similar performance of the top drivers results from different driving styles.

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Section: Lateral Frictionmentioning

confidence: 99%