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Centralization is considered as a key enabler to master the CPU-intensivefeatures of the modern car. The development and architecture change towards thenext generation car is influenced by ADAS, connectivity, infotainment and theconsequential need for cyber-security. There is already a high number of papersdescribing future centralized E/E architectures and technical instruments forcentralization. What is missing is a methodical approach to analyze an existingsystem and find its potential for centralization on the function level. Thispaper introduces an approach, which serves a system designer or engineer toabstract functions and thus enables to shape a more centralized systemarchitecture. The commonly known E/E architecture designs and the namedinstruments of current research are the basis for this abstraction. Based onthe approach, new system architecture proposals can be set up to discuss andoutweigh advantages and disadvantages of those. The approach is validated byapplying it step by step to the inlet's derating function of a modern electricvehicle. A following discussion points out that many different factors affectthe potential for centralization and centralization may not be the future ofevery function and system in general.

Methodical Approach for Centralization Evaluation of Modern Automotive E/E Architectures