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The findings presented in this paper, carried out within the framework of the research
project entitled “Model of the system of load identification of the critical element of the suspension
system of a high mobility wheeled vehicle of military purpose to the requirements of Health and
Usage Monitoring System—HUMS and estimation of Remaning Useful Life—RUL” granted from
the pro-quality subsidy for the development of research potential of the Faculty of Mechanical
Engineering PWr in the year 2022.
This article presents an analysis of the driveline operation of a high-mobility Jelcz
442.32 wheeled vehicle, which uses rigid drive axles connected to drive shafts with two univer-
sal joints (another name for the Cardan joints) due to the occurrence of kinematic incompatibility.
The conditions for the correct connection of the drive shafts with two universal joints (Cardan joints)
were presented, and the kinematic ratio of the complete drive shaft was defined. In the analysis of
kinematic incompatibility regarding (but not limited to) the method of loading the vehicle, selected
characteristic conditions of vehicle movement and the initial values of the angular setting of the rigid
driving axles in relation to the vehicle body were presented. It has been shown that, in the analyzed
vehicle, the kinematic incompatibility in the driveline is constantly present, and the value of this
incompatibility, represented by the temporary ratio of drive shafts, depends on, among other things,
the ways of loading the vehicle, the existing conditions of vehicle movement, and the type of ground.
Moreover, the value of the arising kinematic incompatibility was noticed to be highly influenced by
the correct manufacturing and assembly of the vehicle springs.
