MODELS'12 Proceedings of the 15th international conference on Model Driven Engineering Languages and Systems
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Overall, the process of automotive system design is very complex, involving many intermediary steps, e.g. definition of the software architecture, distribution of functions among hardware resources, or task scheduling. Correct transition between these procedures and their exact ordering have a direct impact on different aspects of the final system implementation. Currently, these processes rely mostly on designer experience. Later decisions to be made concerning appropriate operations that have to be undertaken are more difficult when the system architect starts facing design problems. This paper presents the idea of guidance as part of methodological support to avoid or mitigate these problems. It identifies the significance of such functionality and the required improvements in current CASE. The authors' aim is to carry out the design process with guidance framework, since the early specification of system functional requirements. In this context, the paper presents shortcomings of current methodologies and demonstrates a solution that complements AUTOSAR (Automotive Open System Architecture) with functional models.