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Exploring the Impact of Task Preemption on Dependability in Time-Triggered Embedded Systems: a Pilot Study.

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conference contribution
posted on 29.01.2009, 11:46 by Michael J. Short, Michael J. Pont, Jianzhong Fang
In this paper, we explore the impact of task preemption on the dependability of a single-processor embedded control system. Our particular focus in this exploratory study is on static–priority, time-triggered scheduler architectures. The study is empirical in nature and we employ a hardware-in-the-loop (HIL) testbed, representing a cruise control system for a passenger vehicle, in conjunction with fault-injection to perform the dependability comparisons. The results we have obtained suggest that the presence of preemption may have a negative influence on dependability; however further work is needed in this area before more general conclusions may be drawn.

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Citation

Real-Time Systems - Euromicro Conference on, ECRTS, 2008, Art. No. 4573105, pp. 83-91.

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Real-Time Systems - Euromicro Conference on

Publisher

Institute of Electrical and Electronics Engineers (IEEE).

Copyright date

2008

Available date

29/01/2009

Publisher version

http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4573105

Language

en

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