Comparing Permanent and Transient Fault Tolerance of Multiple-core based Dependable ECUs

Masashi Imai (1) , Tomohiro Yoneda (2)

1 Hirosaki University
2 NII - National Institute of Informatics

Several dependability improvement methods using multiple-core based systems have been proposed. In this paper, the lock-step pair scheme that is popular in car companies these days, the traditional TMR-spare scheme, and our proposed DTTR (Duplication with Temporary TMR and Reconfiguration) scheme are modeled using the Markov chains considering both permanent and transient faults, and are compared in the viewpoint of the average system failure rate.

Mots clés: Dependable ECU; Reliability; Duplication with Temporary TMR and Reconfiguration; Markov chain

Domaines: Calcul parallèle, distribué et partagé [cs.DC]

Masashi Imai, Tomohiro Yoneda. Comparing Permanent and Transient Fault Tolerance of Multiple-core based Dependable ECUs. CARS 2015 - Critical Automotive applications: Robustness & Safety, Sep 2015, Paris, France. ⟨hal-01192992⟩