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The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks

IAVSD 2019: Advances in Dynamics of Vehicles on Roads and Tracks pp 1264–1270Cite as

A Free-Trajectory Quasi-steady-state Optimal-Control Method for Minimum-Time Problems of Cars and Motorcycles

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Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

Minimum-lap-time problems are commonly solved employing quasi-steady-state models on a predetermined trajectory or dynamic models on a free (non-predetermined) trajectory. The current work deals with a third approach, that combines a free-trajectory minimum-lap-time method, together with a quasi-steady-state description of the vehicle. The method is based on the computation of the well known g-g diagrams, which summarise the quasi-steady-state performance of the vehicle. This information is employed for the solution of an optimal-control problem, that allows to determine the optimal trajectory. Numerical models of high complexity can be employed, since all their features (e.g. tyre limits, power limits, aerodynamic drag and downforce, suspensions, etc.) are included in the related g-g diagrams, and do not affect the complexity of the optimal control problem that need be solved. The method allows to employ even experimental g-g diagrams in place of numerical ones, and is suitable for application to both cars and motorcycles.

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Authors and Affiliations

  1. Department of Industrial Engineering, University of Padova, Via Venezia 1, 35131, Padova, Italy

    Matteo Veneri & Matteo Massaro

Authors
  1. Matteo Veneri
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  2. Matteo Massaro
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Corresponding author

Correspondence to Matteo Massaro .

Editor information

Editors and Affiliations

  1. Research and Development, Volvo Car Corporation, Gothenburg, Sweden

    Matthijs Klomp

  2. Research Institute, Driver and Vehicle, Swedish National Road and Transport, Gothenburg, Sweden

    Fredrik Bruzelius

  3. Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Gothenburg, Västra Götalands Län, Sweden

    Jens Nielsen

  4. Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Gothenburg, Sweden

    Angela Hillemyr

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Veneri, M., Massaro, M. (2020). A Free-Trajectory Quasi-steady-state Optimal-Control Method for Minimum-Time Problems of Cars and Motorcycles. In: Klomp, M., Bruzelius, F., Nielsen, J., Hillemyr, A. (eds) Advances in Dynamics of Vehicles on Roads and Tracks. IAVSD 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-38077-9_146

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  • DOI: https://doi.org/10.1007/978-3-030-38077-9_146

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-38076-2

  • Online ISBN: 978-3-030-38077-9

  • eBook Packages: EngineeringEngineering (R0)

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