The Cologne Laboratory for Construction Machines (KLB) is an integral part of the course of studies for mobile work machines at the Cologne University of Applied Sciences. It is involved in numerous research and industrial projects, including an examination and optimization of driving dynamics, driving safety and driving comfort in mobile work machines.
KLB's equipment for these projects includes two six-component measuring wheels manufactured by Kistler. They were purchased through the FHInvest funding program of the German Federal Ministry for Education and Research (BMBF).
The road tests in Fig. 1 are designed to demonstrate the possibilities offered by using these measuring wheels and additional sensors in combination with the catman AP software from HBM for examining driving dynamics in mobile work machines.
The goal of these road tests was to determine the tire parameters of the tractor under different operating conditions. These parameters are needed to perform the simulations. Determining these parameters, especially for large-volume agricultural tires, involves considerable effort. So a process was selected that could be used to determine the relevant tire parameters directly on the vehicle during simple road tests.