Evaluation of the rolling resistance of a trailer-transfer agent during grain harvesting, taking into account vertical vibration loads on the chassis

Abstract

The article presents an analysis of the driving resistance of a trailer-transfer device, taking into account vertical
vibration loads on the chassis of the unit. For this purpose, differential equations for the mass motion of the dynamic system
"soil-pneumatic tire-sprung mass" were developed. An image of the vertical force acting on the pneumatic tire upon contact
with the ground surface was obtained. It has been proven that vertical vibration loads arising when a vehicle moves over uneven
ground surfaces lead to an increase in the dynamic component of the rolling resistance force.