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A Study on the Triple Module Redundancy ARM processor for the Avionic Embedded System  

Lee, Dong-Woo (College of of electronics, Telecommunication & Computer Engineering, Korea Aviation University)
Kim, Byeong-Young (College of of electronics, Telecommunication & Computer Engineering, Korea Aviation University)
Ko, Wan-Jin (College of of electronics, Telecommunication & Computer Engineering, Korea Aviation University)
Na, Jong-Whoa (College of of electronics, Telecommunication & Computer Engineering, Korea Aviation University)
Publication Information
Journal of Advanced Navigation Technology / v.14, no.1, 2010 , pp. 87-92 More about this Journal
Abstract
The design of avionic embedded systems requires high-dependability. In this paper, we studied the dependability of the triple modular redundancy (TMR) hardware for highly reliable aviation embedded system. In order to evaluate the dependability of the base ARM processor and the TMR ARM processor, we developed the simulation model of the reduced ARM and TMR ARM processors and performed the simulation fault injection for the analysis of the dependability of the two targets. In the fault injection experiments, we calculated the error recovery rate of the two the processor models. From the experimental results, we could confirm that the reliability of the TMR ARM processor was greater than the single ARM processor by ten times in some cases.
Keywords
avionic embedded system; triple modular redundency; fault injection; dependability;
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