Active safety systems would benefit from accurate information on tyre forces. A special sensor module has been developed for research purposes to study real-time tyre force estimation from tyre carcass displacements. The forces can be measured in vertical, lateral and longitudinal directions. The sensor measures tyre carcass movement with respect to the rim and transmits the data wirelessly to the chassis. The raw data is analysed and tyre force information is available on a CAN-bus. The sensor is calibrated in a tyre test rig and proving ground measurement results are presented. The lateral and longitudinal force estimates are accurate when compared with the vehicle accelerations, but the vertical force is difficult to estimate during heavy braking manoeuvres.


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    Title :

    On-board estimation of dynamic tyre forces from optically measured tyre carcass deflections


    Contributors:


    Publication date :

    2009


    Size :

    17 Seiten, 19 Bilder, 9 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    On-board estimation of dynamic tyre force from optically measured tyre carcass deflections

    Tuononen,A. / Helsinki Univ.of Technology,FI | Automotive engineering | 2009


    Optical position detection to measure tyre carcass deflections

    Tuononen,A.J. / Helsinki Univ.of Technology,FI | Automotive engineering | 2008



    Optical position detection to measure tyre carcass deflections

    Tuononen, A.J. | Taylor & Francis Verlag | 2008