Designing and Implementing Architectures for Distributed Automotive E/E Systems
White Paper
ABSTRACT
The complexity of electrical and electronic systems in cars has grown drastically during the past decade. Model-based function design and simulation are widely used by the Automotive E/E community today in order to manage this complexity. Emerging new standards, such as AUTOSAR, define standardized interfaces to low-level software and, most importantly, introduce a new level of abstraction to function implementers. This improves the reusability of software components, but unfortunately, there is little guidance on how to translate the results of model-based function design into robust and efficient system implementations in a highly distributed environment. There's also little connection to the physical side of the design process. This paper outlines a proposed system-level design methodology, covering architecture design, scheduling of networks and tasks distributed across multiple ECUs, harness design, and metrics generation.
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TAGS: Automotive, AUTOSAR, IESF, Volcano VSx