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The integration of on-line monitoring and reconfiguration functions into a safety critical automotive electronic control unit.

Research output: Contribution to Journal/MagazineJournal article

<mark>Journal publication date</mark>08/2005
<mark>Journal</mark>Journal of Electronic Testing
Issue number4
Number of pages12
Pages (from-to)405-416
Publication StatusPublished
<mark>Original language</mark>English


This paper presents an innovative application of IEEE1149.4 and the Integrated Diagnostic Reconfiguration (IDR) method to an Automotive Electronic Control Unit implemented as a fully-integrated mixed-signal system. The IEEE1149.4 test structure has been embedded and used on-line for interconnect monitoring and signal analysis. This provides higher resolution failure diagnostics enabling localised fault compensation. A novel On-Line Monitoring architecture is presented, that supports real-time testing of the critical circuit nodes. The paper concludes that fault tolerance can be integrated into mixed-signal electronic systems to handle key failure modes.