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Abstract
The tyre friction model is a key part of the overall multi-body tyre dynamics model. The LuGre dynamic tyre friction model is analytically linearised for pure cornering conditions. The linearised model parameters are conveniently expressed as functions of static curve slope parameters. The linearised lateral force and self-aligning torque submodels are described by equivalent mechanical systems. The linearised model and equivalent system parameters are analysed for different slip angle and wheel centre speed operating points. An example of the application of linearised tyre friction model to tyre vibration analysis is presented as well.
Acknowledgements
It is gratefully acknowledged that this work has been supported by Ford Motor Company.
Notes
This paper was originally presented at the 20th IAVSD Symposium, Dynamics of Vehicles on Roads and Tracks, Berkeley, CA, August 2007.
The distributed model is implemented by using a finite difference approach Citation5.
Note that these effects are not included in the study Citation3, and consequently the relaxation length model does not predict the initial drop torque response drop.