for a reduction in ride safety, which is quantified by the
dynamic wheel load Fdyn, whose rms-value kFdynkrms should
be bounded, [9], [10]. Fig. 1(b) shows the test rig, where
the experiments presented later on have been conducted. A
highly dynamic hydraulic actuator provides for the vertical
excitation of the tire, thereby simulating a desired road
profile xg. A parallel kinematics mechanism is then used to
vertically guide the chassis mass.