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Investigating RISC-V hardware for autonomy in space, exact emulation-based fault injection on a hardware accelerator

Smit, T.T. (2024) Investigating RISC-V hardware for autonomy in space, exact emulation-based fault injection on a hardware accelerator.

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Abstract:The thesis introduces a novel emulation-based fault injection (FI) tool for evaluating the reliability of new space hardware amidst the anticipated rise in autonomy and AI accelerators in outer space technology. With the increasing use of RISC-V processors and AI accelerators in space hardware, the use of mitigation techniques against radiation-induced soft errors is crucial. The FI tool assesses the effectiveness of these techniques efficiently, offering precise fault injection at specific instructions and hardware locations. By demonstrating the tool's capabilities through experiments on an AI accelerator called SPARROW implemented in a RISC-V processor, insights are gained on architectural vulnerability factors (AVF) influenced by benchmark programs. The tool's ability to provide precise fault injection is noted, but it may offer an optimistic view of vulnerability due to program influence, necessitating further research to differentiate vulnerabilities from system architecture and software. Further exploration of the tool for different fault models and memory cells, along with optimizations, is recommended. Verification through irradiation experiments is essential to validate its abstraction from physical sources. Overall, the thesis contributes to understanding hardware vulnerability through FI in space technology.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:53 electrotechnology, 54 computer science
Programme:Embedded Systems MSc (60331)
Link to this item:https://purl.utwente.nl/essays/98673
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