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Traction Performance Simulation of a Pushed/Pulled Driven Wheel

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Pp. 148-157 in Automation Technology for Off-Road Equipment, Proceedings of the July 26-27, 2002 Conference (Chicago, Illinois, USA)  701P0502.(doi:10.13031/2013.10002)
Authors:   A. Osetinsky and I. Shmulevich
Keywords:   Driven wheel, Net traction, Gross traction, Off-road, Soil, Slip, Moment, Load transfer, Braking mode, Driving mode

The existing models for prediction of traction performance of a single driven wheel should be modified to consider the load transfer effect, in order to optimize the operating performance of vehicles. A model was developed in order to predict traction performance of a driven wheel, affected by the load transfer. Traction performance of a front and a rear driven wheel, in driving and braking modes, is changed due to a pushed/pulled force acting on the driven wheel. These changes were shown using a previous study, for actual operating conditions. Simulations show significant difference between the traction performances of front and rear driven wheels of a vehicle, due to load transfer. In the driving mode, the rear driven wheel develops a net traction force greater than that of the front wheel. On the other hand, in the braking mode the front driven wheel develops a braking force significantly greater than that of the rear driven wheel. The suggested simulation algorithm may improve the prediction of driven wheel performance.

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