The report examines the capability of a detailed digital simulation for predicting the response to steering of tractor-semitrailer vehicles in (1) obstacle-avoidance maneuvers, (2) turning near the rollover limit, and (3) steady turning. Measured and simulated results are presented for a three-axle tractor combined with either a van-trailer or a flat-bed trailer. The influences of changes in tractor frame stiffness and/or the roll stiffness of the front suspension are considered in assessing the validity of the simulation. Particular emphasis is placed on investigating the prediction of the articulation angle existing between the tractor and the semitrailer during steady turns. The study concludes that the simulation is capable of doing an excellent job of predicting vehicle response in obstacle-avoidance maneuvers.
Simulation of the Directional Response Characteristics of Tractor-Semitrailer Vehicles
1979
85 pages
Report
No indication
English
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