An approach supporting fault-propagation analysis for smart sensor systems

Authors:
Sebastian Zug;Tino Brade;Jörg Kaiser;Sasanka Potluri
Affiliations:
Department for Distributed Systems, Otto-von-Guericke Universität Magdeburg, Magdeburg, Germany;Department for Distributed Systems, Otto-von-Guericke Universität Magdeburg, Magdeburg, Germany;Department for Distributed Systems, Otto-von-Guericke Universität Magdeburg, Magdeburg, Germany;Department for Distributed Systems, Otto-von-Guericke Universität Magdeburg, Magdeburg, Germany
Venue:
SAFECOMP'12 Proceedings of the 2012 international conference on Computer Safety, Reliability, and Security
Year:
2012

Citing 4
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Abstract

Distributed sensor-actuator-systems in automotive or avionic applications have to fulfill safety requirements strictly. Those implementation has to be monitored during the development process and on run-time. For this purpose we presented a data centric fault categorization, fault representation and measurement validation concept. In this paper we enhance our approach and describe a fault propagation mechanism suitable for a permanent evaluation of tolerable fault level. Based on a common fault representation each component is characterized by its effects on the signal validity. As shown in an exemplary scenario the proposed matrix notation provides a flexible and powerful method to implement and monitor the fault propagation.