An Investigation on the Effects of Geometric and Dynamic Parameters on the Truck Lateral Deviation Due to the Braking Force Imbalance

علوم کاربردی و محاسباتی در مکانیک

Article 11, Volume 26, Issue 2 - Serial Number 12, September 2015, Pages 141-152   

Document Type: مقاله کوتاه

DOI: 10.22067/fum-mech.v26i2.19010

Authors

mousa rezaee^* ; Amin Taraghi Osguei; Hessam Addin Arghand

University of Tabriz

Abstract

Besides the braking force error, the dynamic and geometric parameters of a truck affect its safety during the braking process. In this paper, the effect of dynamic and geometric parameters and the way of loading on the dynamic behavior of a truck in the presence of the braking force error is studied. To this end, some dynamic parameters of the truck have been obtained experimentally and applied to the truck governing equations of motion. Then, by using the realistic assumption in which the velocity of the truck decreases with a constant rate during the braking process, the governing equations are solved using a numerical technique. Finally, the load distribution on the truck as well as the dynamic and geometric parameters which affect the truck lateral deviation, are discussed and the results are presented in appropriate figures. The results show that the best load distribution for decreasing the effect of braking force imbalance on lateral deviation, can be achieved when the mass center approaches the front axis.

Keywords

Brake Force Error; Lateral Deviation; Geometric and dynamic parameters; Vehicle dynamic

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