We propose distributed architecture as one possible solution to deal with future needs on vehicle control systems, including EPS. In this paper, we have presented (1) A way to define a fail-operational system, (2) effectiveness of such "enhanced" concept against security threats. From these analyses, we can see the potential of distributed architectures. We are currently developing detailed specification of microcontroller for sensor unit. The microcontroller will be implemented as a single chip or single package including sensor IC. In addition, we are evaluating existing microcontrollers' capabilities to fit with such requirements applied for actuation unit. Furthermore, refining security threats analysis based on more realistic use cases and validation of security mechanisms are also planned. This includes bottom-up approach in which the effectiveness and conflict of safety mechanisms and security mechanisms is considered.
Fail-operational EPS by distributed architecture
2014
21 Seiten, Bilder, Tabellen, 11 Quellen
Conference paper
English
Fail-operational EPS by distributed architecture
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