System identification of strength test benches

Summary

When testing the strength of road vehicles, the task is to control the excitation of a strength test rig in such a way that the loads on the chassis (forces in longitudinal, lateral and vertical direction as well as camber, braking and steering torque) correspond to those on the road. In order to achieve this, many iteration steps are currently necessary for the test bench equipment, which take up a lot of time and therefore costs. The aim of this project is to shorten or ideally completely avoid this complex iteration process by more precise models of the system test bench. The automated construction of a model with measured data is usually referred to as system identification. The picture on the right shows a Toyota strength test rig (www.toyota-motorsport.com).