Abstract
Typical cars are nowadays controlled by multiple electronic control units that are grouped into hierarchical, functional segments like power train, chassis and safety, body electronics, infotainment or comfort. All these control units are interconnected by various different bus systems and allow for the exchange of data in order to enable new features and increased functionality. In particular, automotive OEMs strive to improve safety, reliability, environmental efficiency and comfort in order to meet the market demands. Recently, the automotive industry has adapted FlexRay as a new bus protocol and standardized software interfaces in order to handle the involved complexity. Despite all these efforts, however, rare fault scenarios may go unnoticed and eventually cause undesired effects. This article describes a test-setup that will allow to test an automotive communication subsystem at the system level – a feat that is otherwise hard to setup. The applicability of this approach is shown by way of a dedicated demonstrator system and an experiment that evaluates the life expectancy of cliques.
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