Abstract
The article deals with an analysis of the mean value of the torque of the truck with 8×8 drive. Torque was measured using a noncontact device on the powertrain shaft. This shaft is used to drive the first front axle. For a better understanding of the experiment results, computational model of the truck was developed in Simulink software. To build the computational model, custom library was used and users could create different modifications of vehicles. Subsequently, analysis of torsional vibration was carried out. In the first study, the truck showed problems with directional vibrations and noise after reaching a certain speed, therefore, this article also continues with an analysis of the torsional vibration.
Highlights
Vibrations affect passengers in passenger cars and in trucks
This article deals with the analysis of the torque of the truck with 8×8 drive
This article dealt with the analysis of the powertrain torque and the vibrations caused by them on a truck with 8×8 drive
Summary
Vibrations affect passengers in passenger cars and in trucks. In the case of the truck, these are complex and unique powertrains that may exhibit different types of vibrations such as directional or torsional, to name but a few. This article deals with the analysis of the torque of the truck with 8×8 drive. This is a unique powertrain where torsional vibrations can occur. The tests were performed on special roads with a precisely defined grade In this case, the experiment of a vehicle driving up the hill with a 6 % grade will be described. The aim was to analyse the curve shape of the measured torque and to evaluate torsional vibrations. This analysis is a continuation of the study mentioned in [5].
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