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ASME Press Select Proceedings

International Conference on Computer Technology and Development, 3rd (ICCTD 2011)

Jianhong Zhou
Jianhong Zhou
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Fault-tolerant microcontroller units (MCU) are becoming a standard requirement in the automotive industry. In this paper, we research three fault-tolerant architectures for automotive applications. Then a fully study and comparison in reliability has been applied to these different architectures through markov modeling. The analysis shows that the enhanced dual-CPU architecture outperforms higher reliability which reduces the risk 6.3 times better than the dual-CPU lock-step architecture at most, 2.7 times better than the triple module redundancy architecture.

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