The Tyre as a Sensor to Estimate Friction |
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Authors: | W R Pasterkamp H B Pacejka |
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Institution: |
a Delft University of Technology, Vehicle Research Laboratory, Delft, CD, The Netherlands |
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Abstract: | Continuously updated knowledge of the friction potential and the friction demand can help to improve manoeuvrability and thereby safety of vehicles under slippery road conditions. An on line friction estimation method is presented using a simple brush type tyre model. First the method is verified by outdoor experiments using a tyre test trailer. Then the setup of a low-cost measurement system in a vehicle is discussed and results from both simulations and outdoor experiments are presented. Neural networks have been used both for modelling and identification of friction potential and friction demand. |
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