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Abstract In both avionic and automotive systems, it In both avionic and automotive systems, it might become very costly and/or restricting the functional performance, to prove functions safe in all operational conditions and for 100% of the mission time. This is especially true if the quality of sensor data and of communication data may vary very much. One way to solve this trade-off paradox is to leave part of the safety assessment from design-time to run-time. This paper proposes a general architectural pattern for this, and also how to instantiate this pattern in Integrated Modular Avionics (IMA) for the avionic domain, and in AUTOSAR for the automotive domain. The solutions imply some extensions of ARINC 653 and of AUTOSAR respectively, but they are not in conflict with the existing concepts. The proposed solutions are also fully in-line what is prescribed by the standards for functional safety of the two domains. for functional safety of the two domains.
Address Toulouse, France  +
Author Rolf Johansson + , Jörg Kaiser + , António Casimiro + , Renato Librino + , Kenneth Östberg + , José Rufino + , P. Costa +
Booktitle Proceedings of the Workshop on Embedded Real-Time Software and Systems (ERTS2)  +
Document Document for Publication-Johansson2014erts2.pdf +
Key Johansson2014erts2  +
Month feb  +
NumPubDate 2,014.02  +
Project Project:KARYON +
ResearchLine Timeliness and Adaptation in Dependable Systems (TADS) +
Title An Architecture Pattern Enabling Safety at Lower Cost and with Higher Performance  +
Type inproceedings  +
Year 2014  +
Has improper value forThis property is a special property in this wiki. Url  +
Categories Publication  +
Modification dateThis property is a special property in this wiki. 1 April 2017 11:21:11  +
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