The following thesis work has been carried out in collaboration with the Powertrain Transmission Systems department of Magneti Marelli SPA located in Venaria Reale (Turin). The core business of this company division is the development of control units for automotive transmissions, taking care of the software part. All the working phases, from system specification analysis to code generation and testing, are completely accomplished in the same office. In particular, the software developed for this project are model based generated. ???? The goal of this thesis was to design a lubrication controller for a WET DCT able to command an open loop oil flow thrugh a QPV inside the clutches chambers.