Assessing slip of a rolling disc and the implementation of a tyre model in the benchmark bicycle.

Author(s)
Vries, E.J.H. de & Brok, J.F.A den
Year
Abstract

For a motorcycle simulator the development of a real time bicycle/motorcycle model with a compact formulation of the dynamic behaviour is required. The modelling environment MatLab SimMechanics was posed as a prerequisite. No suitable tyre model is available in the library of this software, the tyre model has been developed using linear tyre slip characteristics, and point contact of knife-edged wheels with the ground. The simulation in simmechanics of a single wheel with this tyre model stresses the importance of the propagation speed of the tyre contact point. Two wheels have been assembled with two frame bodies to build the Wipple bicycle in SimMechanics. The simulation model has been validated against the bicycle benchmark using eigenvalue analysis. The eigenvalues of SimMechanics model were obtained from curve fitting a (complex-) exponential function to a time response from simulation. The match is remarkable despite of the tyre models included in the simulation model. (Author/publisher) For this paper, other papers and posters presented at this Symposium see http://bicycle.tudelft.nl/bmd2010/

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Publication

Library number
20122385 q ST [electronic version only]
Source

In: Proceedings of the Bicycle and Motorcycle Dynamics 2010 Symposium on the Dynamics and Control of Single Track Vehicles, Delft University of Technology, The Netherlands, 20-22 October 2010, Pp.

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