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2020 | OriginalPaper | Buchkapitel

A Novel Approach for Parametrization of Suspension Kinematics

verfasst von : Georg Rill, Abel Arrieta Castro

Erschienen in: Advances in Dynamics of Vehicles on Roads and Tracks

Verlag: Springer International Publishing

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Abstract

In the automotive industry, simulations are needed to analyse the dynamics of vehicles and also of its main components and subsystems, e.g. tires, brakes and suspension systems. These simulations are required for an early-stage development and in consequence, they must deliver realistic results. Suspension systems plays a key role in comfort and safety of road vehicles. They usually consist of rigid links and force elements that are arranged with a specific topology. In addition, some of their functionalities are to carry the weight of the car and the passengers, and maintain a correct wheel alignment. In simulations involving suspension systems, lookup-tables are frequently used. They are obtained from a Kinematic and Compliance (KnC) test and then standardized for a specific vehicle simulation software. Nonetheless, lookup-tables require a reasonable number of characteristic points. Additionally, derivatives, interpolation, and extrapolation are not necessarily smooth. This produces results that depend on the interpolation technique and may be inaccurate. In this paper, a novel method called “design kinematics” is proposed. This method can describe the kinematic properties of almost any type of suspension systems. Comparisons with an analytic calculation and a KnC measurement shown that the design kinematics is able to represent the kinematic and compliance properties of suspension systems extremely well and very efficiently.

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Literatur
1.
Zurück zum Zitat Rill, G., Arrieta Castro, A.: The influence of axle kinematics on vehicle dynamics. In: Kecskemethy, A., Geu, F.F., Carrera, E., Elias, D. (eds.) Interdisciplinary Applications of Kinematics. Mechanisms and Machine Science, vol. 71, pp. 23–31. Springer, Cham (2019)CrossRef Rill, G., Arrieta Castro, A.: The influence of axle kinematics on vehicle dynamics. In: Kecskemethy, A., Geu, F.F., Carrera, E., Elias, D. (eds.) Interdisciplinary Applications of Kinematics. Mechanisms and Machine Science, vol. 71, pp. 23–31. Springer, Cham (2019)CrossRef
4.
Zurück zum Zitat Rill, G.: Road Vehicle Dynamics: Fundamentals and Modeling. CRC Press, Boca Raton (2012) Rill, G.: Road Vehicle Dynamics: Fundamentals and Modeling. CRC Press, Boca Raton (2012)
7.
Zurück zum Zitat Rill, G.: Sophisticated but quite simple contact calculation for handling tire models. Multibody Syst. Dyn. 45, 131–153 (2019)MathSciNetCrossRef Rill, G.: Sophisticated but quite simple contact calculation for handling tire models. Multibody Syst. Dyn. 45, 131–153 (2019)MathSciNetCrossRef
8.
Zurück zum Zitat Rill, G.: Multibody systems and simulation techniques. In: Lugner, P. (ed.) Vehicle Dynamics of Modern Passenger Cars. CISM International Centre for Mechanical Sciences (Courses and Lectures), vol. 582, pp. 309–375. Springer, Cham (2019)CrossRef Rill, G.: Multibody systems and simulation techniques. In: Lugner, P. (ed.) Vehicle Dynamics of Modern Passenger Cars. CISM International Centre for Mechanical Sciences (Courses and Lectures), vol. 582, pp. 309–375. Springer, Cham (2019)CrossRef
Metadaten
Titel
A Novel Approach for Parametrization of Suspension Kinematics
verfasst von
Georg Rill
Abel Arrieta Castro
Copyright-Jahr
2020
DOI
https://doi.org/10.1007/978-3-030-38077-9_210

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