Minimum time optimal control simulation of a GP2 race car
Minimum time optimal control simulation of a GP2 race car
In this work optimal control theory is applied to minimum lap time simulation of a GP2 car, using a multibody car modelwith enhanced load transfer dynamics}.The mathematical multibody model is formulated with use of the symbolic algebra software MBSymba and it comprises 14 degrees of freedom (dof), including full chassis motion, suspension travels and wheel spins. The kinematics of the suspension is exhaustively analysed and the impact of tyre longitudinal and lateral forces in determining vehicle trim is demonstrated. An indirect optimal control method is then used to solve the minimum lap time problem. Simulation outcomes are compared with experimental data acquired during a qualifying lap at Montmeló circuit (Barcelona) in the 2012 GP2 season. Results demonstrate the reliability of the model, suggesting it can be used to optimize car settings (like gearing and aerodynamic setup) before executing track tests.
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Dal Bianco, Nicola
8bd1d29c-cce5-407d-82c5-e88504417658
Lot, Roberto
ceb0ca9c-6211-4051-a7b8-90fd6f0a6d78
Gadola, Marco
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Dal Bianco, Nicola
8bd1d29c-cce5-407d-82c5-e88504417658
Lot, Roberto
ceb0ca9c-6211-4051-a7b8-90fd6f0a6d78
Gadola, Marco
af5fa9cd-86fc-4fe4-870c-d53549cf32fc
Dal Bianco, Nicola, Lot, Roberto and Gadola, Marco
(2017)
Minimum time optimal control simulation of a GP2 race car.
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, .
(doi:10.1177/0954407017728158).
Abstract
In this work optimal control theory is applied to minimum lap time simulation of a GP2 car, using a multibody car modelwith enhanced load transfer dynamics}.The mathematical multibody model is formulated with use of the symbolic algebra software MBSymba and it comprises 14 degrees of freedom (dof), including full chassis motion, suspension travels and wheel spins. The kinematics of the suspension is exhaustively analysed and the impact of tyre longitudinal and lateral forces in determining vehicle trim is demonstrated. An indirect optimal control method is then used to solve the minimum lap time problem. Simulation outcomes are compared with experimental data acquired during a qualifying lap at Montmeló circuit (Barcelona) in the 2012 GP2 season. Results demonstrate the reliability of the model, suggesting it can be used to optimize car settings (like gearing and aerodynamic setup) before executing track tests.
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Accepted/In Press date: 23 June 2017
e-pub ahead of print date: 9 October 2017
Identifiers
Local EPrints ID: 417133
URI: http://eprints.soton.ac.uk/id/eprint/417133
ISSN: 0954-4070
PURE UUID: 2d936650-857d-4351-9135-c15b4bf3db18
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Date deposited: 19 Jan 2018 17:30
Last modified: 15 Mar 2024 17:13
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Contributors
Author:
Nicola Dal Bianco
Author:
Roberto Lot
Author:
Marco Gadola
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