Enhanced Tyre Modelling for Vehicle Dynamics Control Systems
Experimental Validation of Transient and Temperature Influences on Tyre Force Behaviour
Seiten
2020
Verlag d. Technischen Universität Graz
978-3-85125-728-1 (ISBN)
Verlag d. Technischen Universität Graz
978-3-85125-728-1 (ISBN)
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Die vorliegende Arbeit beschäftigt sich mit erweiterter Reifenmodellierung, im speziellen mit den Einflüssen der Reifentemperatur sowie der frequenzabhängigen Verhärtung von Elastomeren, einschließlich deren Auswirkung auf die Reifenkraftübertragung. Schwerpunkt der Arbeit liegt auf rechenzeiteffizienten semi-physikalischen Ansätzen, welche für Fahr- und Fahrerassistenzsysteme weit verbreitet sind.
Modelling and simulation of safety-relevant advanced driver assistance systems (ADAS) and vehicle dynamics controller (VDC) has become a state of the art tool to reduce development time and save costs. The ever-growing demands of shorter calculation time and higher accuracy lead to increasing interests on semi-physical tyre modelling. The present work investigates the influences of tyre temperature as well as transient tyre forces which are acting during interventions of ADAS and VDC. In the first part of the thesis, a temperature model is developed and implemented in the TMeasy tyre model. The extended approach is able to consider the influence on tyre force characteristics based on different tyre layer temperatures. In the second part, validating the Voigt-Kelvin model approach shows suitability around fixed operating points, but inaccuracies for a wide frequency working range do occur. In order to model the effect of dynamic frequency dependent hardening of elastomers, an extended Maxwell model approach is implemented in TMeasy and validated based on measurement data. In summary, both extensions increase the accuracy and validity of the tyre model. This leads to an improvement in the representation of tyre and vehicle behaviour for various ADAS and VDC testing.
Modelling and simulation of safety-relevant advanced driver assistance systems (ADAS) and vehicle dynamics controller (VDC) has become a state of the art tool to reduce development time and save costs. The ever-growing demands of shorter calculation time and higher accuracy lead to increasing interests on semi-physical tyre modelling. The present work investigates the influences of tyre temperature as well as transient tyre forces which are acting during interventions of ADAS and VDC. In the first part of the thesis, a temperature model is developed and implemented in the TMeasy tyre model. The extended approach is able to consider the influence on tyre force characteristics based on different tyre layer temperatures. In the second part, validating the Voigt-Kelvin model approach shows suitability around fixed operating points, but inaccuracies for a wide frequency working range do occur. In order to model the effect of dynamic frequency dependent hardening of elastomers, an extended Maxwell model approach is implemented in TMeasy and validated based on measurement data. In summary, both extensions increase the accuracy and validity of the tyre model. This leads to an improvement in the representation of tyre and vehicle behaviour for various ADAS and VDC testing.
| Erscheinungsdatum | 21.03.2020 |
|---|---|
| Reihe/Serie | Monographic Series TU Graz | Reihe Fahrzeugtechnik ; 8 |
| Verlagsort | Graz |
| Sprache | englisch |
| Maße | 155 x 225 mm |
| Einbandart | kartoniert |
| Themenwelt | Technik ► Fahrzeugbau / Schiffbau |
| Technik ► Maschinenbau | |
| Schlagworte | influence of temperature on tyre force behaviour • tyre dynamics • Tyre modelling and simulation |
| ISBN-10 | 3-85125-728-6 / 3851257286 |
| ISBN-13 | 978-3-85125-728-1 / 9783851257281 |
| Zustand | Neuware |
| Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
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