A FlexRay parameter calculation methodology based on the electric/electronic architecture of vehicles

The well established FlexRay bus system allows the adjustment to many configurations and applications. This flexibility comes for the price of a huge set of parameters which have to be mandatory correct, to operate the bus system robust and reliable. In this paper we provide a methodology to determine the necessary settings directly from the electric and electronic architecture description, which is developed in the design phase of a vehicle. Our approach includes the calculation of all global and local parameters, frame packing and scheduling. The implementation of the methodology was tested with various modeling data sets. The calculated parameters could be exported in a predefined data structure which was used to seamlessly configure target FlexRay controllers, successfully running a real hardware network.