A Hardware-Software Approach For On-Line Soft Error Mitigation In Interrupt-Driven Applications
IEEE Trans. Dependable Sec. Comput.(2016)
摘要
Integrity assurance of configuration data has a significant impact on microcontroller-based systems reliability. This is especially true when running applications driven by events which behavior is tightly coupled to this kind of data. This work proposes a new hybrid technique that combines hardware and software resources for detecting and recovering soft-errors in system configuration data. Our approach is based on the utilization of a common built-in microcontroller resource (timer) that works jointly with a software-based technique, which is responsible to periodically refresh the configuration data. The experiments demonstrate that non-destructive single event effects can be effectively mitigated with reduced overheads. Results show an important increase in fault coverage for SEUs and SETs, about one order of magnitude.
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关键词
Single Event Upset (SEU),Single Event Transient (SET),fault tolerance,soft error mitigation,radiation effects
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