Dynamic fault injection into digital twins of safety-critical systems

In this work we present a technology for dynamically introducing fault structures into digital twins without the need to change the virtual prototype model. The injection is done at the beginning of a simulation by dynamically rewiring the involved netlists. During the simulation on a realtime platf...

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Published in2021 Design, Automation & Test in Europe Conference & Exhibition (DATE) pp. 446 - 450
Main Authors Markwirth, Thomas, Jancke, Roland, Sohrmann, Christoph
Format Conference Proceeding
LanguageEnglish
Published EDAA 01.02.2021
Subjects
Digital twin
Fault injection
Formal specifications
Hardware
HiL
Prototypes
Real-time systems
Safety Critical Systems
SystemC
Validation
Verification
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Abstract In this work we present a technology for dynamically introducing fault structures into digital twins without the need to change the virtual prototype model. The injection is done at the beginning of a simulation by dynamically rewiring the involved netlists. During the simulation on a realtime platform, faults can be activated or deactivated triggered by sequences, statistical effects or by events from the real world. In some cases the fault structures can even be auto-generated directly from a formal specification, which further automates the development process for safety-relevant systems. The approach is demonstrated at a SystemC/ SystemC AMS virtual prototype of a safety-critical sub-systems which runs on a dSPACE real-time hardware.
AbstractList In this work we present a technology for dynamically introducing fault structures into digital twins without the need to change the virtual prototype model. The injection is done at the beginning of a simulation by dynamically rewiring the involved netlists. During the simulation on a realtime platform, faults can be activated or deactivated triggered by sequences, statistical effects or by events from the real world. In some cases the fault structures can even be auto-generated directly from a formal specification, which further automates the development process for safety-relevant systems. The approach is demonstrated at a SystemC/ SystemC AMS virtual prototype of a safety-critical sub-systems which runs on a dSPACE real-time hardware.
Author Markwirth, Thomas
Jancke, Roland
Sohrmann, Christoph
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  organization: Fraunhofer IIS/EAS,Dresden,Germany
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Snippet In this work we present a technology for dynamically introducing fault structures into digital twins without the need to change the virtual prototype model....
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StartPage 446
SubjectTerms Digital twin
Fault injection
Formal specifications
Hardware
HiL
Prototypes
Real-time systems
Safety Critical Systems
SystemC
Validation
Verification
Title Dynamic fault injection into digital twins of safety-critical systems
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