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Reducing the cornering resistance by torque vectoring (X International Conference on Structural Dynamics, EURODYN 2017)

  • Usually, torque vectoring is used to reduce a significant understeer behavior at high speed cornering. Thus, providing larger vehicles with a sportive touch. Even on typical front wheel driven cars torque vectoring control is available now. Torque vectoring is nearly a standard on electric driven vehicles. Complex control and optimization strategies are applied to improve the maneuverability in particular or to enhance the driving behavior and reduce the energy consumption in addition. This paper shows, that a quite simple strategy will enhance the maneuverability and simultaneously reduce the cornering resistance in sharp bends. At first, a case study with a fully non-linear and three-dimensional vehicle model is performed. It turned out that a full drive torque shift to the outer wheels improves the maneuverability and reduces the cornering resistance in addition. This results are verified by an optimization performed with a simpler four-wheeled handling model. Here, the front steering angles and the driving torques at each of the four wheels are considered as free parameters. Minimizing the cornering resistance by taking the equations of motion for the four-wheeled handling model as constraints will deliver an optimal set of parameters then.

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Metadaten
Author:Georg RillORCiDGND
DOI:https://doi.org/10.1016/j.proeng.2017.09.393
Parent Title (English):Procedia Engineering
Publisher:Elsevier
Document Type:Article
Language:English
Year of Completion:2017
Release Date:2022/04/05
Tag:Constrained Optimization; Cornering Resistance; Four-wheeled Handling Model; Three-dimensional Vehicle Model; Torque Vectoring
Volume:199
First Page:3284
Last Page:3289
Konferenzangabe:International Conference on Structural Dynamics, EURODYN 2017
Institutes:Fakultät Maschinenbau
Publication:Externe Publikationen
OpenAccess Publikationsweg:Gold Open Access- Erstveröffentlichung in einem/als Open-Access-Medium
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG