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Sensitivity analysis - a prerequisite for the design of adaptive vehicle models

Opfermann A., Bertram T., Baum D., Karas P.

Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2006

z. 31

121-126

Vehicle models are used in electronic control units in order to estimate system states and parameters. In this paper a vehicle pitch model is applied to a dynamic headlamp leveling system in order to estimate the car body pitch angle relative to the road surface. A sensitivity analysis that relies on the Sobol method is performed to find a quantitative measure for the effects of parameter variations on the desired model output. Thereby it is shown, that such a model needs an automatic adjustment to the vehicle condition.