Design and Test of an Automotive Clutch Actuation

This thesis builds on the analysis of a automatic system for automotive automatic clutches. In this field of study there are some constraint to take into account and through them it is possible to find the best technological solution. The system under consideration is characterized as electromechanical, with an electric motor brush DC and reduction system very complex. The system was modeled using the Bond-Graph technique which allowed the drafting of the dynamical system equations, in state space form. In fact the system itself is quite complex due to the fact that multiple dynamic domains were taken into account. The result is a unique model where all the dynamics are represented, with constitutive equations. Three alternative solutions have been proposed to improve performance and reduce power consumption and system complexity. The prototypes were built and tested. The evaluation of the results were followed by a model parameter identification.