Abstract
When the vehicle travels on a road, that usually isn’t perfectly smooth, this having a series of irregularities, occur shocks and vibrations due to the interaction of the wheels with the irregularities of the road, as well oscillations of sprung and unsprung masses that characterize comfort. This paper presents the theoretical and experimental researches undertaken by the author on the dynamic behaviour of hydraulic shock absorbers, in order to improve the comfort and dynamics of vehicles. The main objective of the paper is to analyse the damping characteristics of hydraulic dampers using simulation with AMESim specialized program. To validate the model, a set of experimental determinations was used with the help of a hydraulic dampers test stand. The experimental researches undertaken allowed to determine the real dynamic characteristics of the damper and to identify the influence of the parameters on these characteristics.
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