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Abstract
A test vehicle has been used to collect experimental data related to abrupt engine throttle tip-in transients. The data point to a significant dynamic potential of the longitudinal tyre frictional force on an ice surface. Such a behaviour cannot be predicted by using the available brush-type dynamic tyre friction models. Based on the results of experimental and simulation analyses, the LuGre tyre friction model is extended to predict the dynamic friction potential. The extended model is validated against the experimental data.
Acknowledgements
It is gratefully acknowledged that this work has been supported by the Ford Motor Company. The authors would also like to express their gratitude to Mitch McConnell, Tim Feldkamp, Mike Fodor and Chris Teslak from the Ford Research and Advanced Engineering for their efforts in setting up the test vehicle, providing the vehicle data and conducting the tests.
