AbstractA new approach to the traction prediction equation is described. The proposed equation uses the soil deformation modulus and physical properties of agricultural tyres as parameters. The novel features of this approach include the assumption of a non-linear shear stress distribution and change in the value of soil deformation modulus with the normal stress. A model which suggests a relationship between the contact patch area and the soil deformation modulus is also introduced. The prediction equation was compared with the widely used Wismer and Luth equation and measured data obtained by Wittig. The proposed approach results in an improvement over Wismer and Luth in the prediction of traction and it also involves minimal testing.
The prediction of tractive performance on soil surfaces
Journal of Terramechanics ; 30 , 6 ; 443-459
1994-01-01
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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