A roll-plane model is developed for predicting the roll displacement of articulated motor trucks during steady-turning maneuvers. The dynamics of roll motions are not included; rather, the response is computed by repeatedly solving, for small increments of roll angle, a set of equations which describe the static equilibrium of the vehicle in the roll plane. This approach facilitates the inclusion of important suspension nonlinearities such as progressively hardening suspension springs, lash between the compressive and tensile states, and interleaf friction. In addition, the torsional compliance of the tractor frame and of the coupling mechanism are treated as well as the influence of lateral force and camber angle on the lateral translation of the centroid of the normal pressure distribution acting at the tire/road interface. The roll response predicted by the model is shown to compare well with test data obtained in full-scale experiments performed with a tractor-semitrailer combination.
Roll response of articulated motor trucks during steady-turning maneuvers
Rollverhalten von Sattelschlepperzuegen bei stetiger Kurvenfahrt
Computational Methods in Ground Transportation Vehicles. The Winter Annual Meeting of the ASME ; AMD-50 , Nov ; 133-151
1982
19 Seiten, 11 Bilder, 8 Quellen
Conference paper
English
Roll Plane Analysis of Articulated Tank Vehicles During Steady Turning
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