The primary forces and moments that affect the directional control properties of wheeled vehicles are those between the road and the rolling tyre. These force and moment characteristics are non-linear functions of a large number of parameters. In this paper, an analytical approach for determining tyre tractive force, lateral force, aligning torgue and overturning moment characteristics due to combined slips has been presented. The analytical model presented in this study predicts tyre dynamic characteristics based on easily measurable tyre elastic properties and contact patch dimensions. The results obtained are qualitatively similar to the results reported by different investigators both experimentally and theoretically for other tyres. The present analysis will be useful for industry in predicting tyre behaviour without carrying out expensive laboratory testing and in suitably altering tyre structure for better tyre performance. The verification of the model showed that with a proper choice of the shape factor b/2l, the model could offer flexibility in the accurate prediction of tyre dynamic properties. The present analysis may be extended further by including the pressure distribution variation along the width of the contact patch or by considering asymmetric pressure distribution in the contact patch to better confirm with practical measurements.
Analytical predictions of steady state tyre characteristics
Analytische Voraussagen der statischen Reifenkennlinien
International Journal of Vehicle Design ; 34 , 3 ; 260-285
2004
26 Seiten, 15 Bilder, 3 Tabellen, 33 Quellen
Article (Journal)
English
Analytical predictions of steady state tyre characteristics
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