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首页> 外文期刊>Microelectronics journal >Study, comparison and application of different VHDL-based fault injection techniques for the experimental validation of a fault-tolerant system
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Study, comparison and application of different VHDL-based fault injection techniques for the experimental validation of a fault-tolerant system

机译：基于VHDL的不同故障注入技术在容错系统实验验证中的研究，比较和应用

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摘要

In this work different VHDL-based fault injection techniques (simulator commands, saboteurs and mutants) have been compared and applied in the validation of a fault-tolerant system. Some extensions and implementation designs of these techniques have been introduced. As a complement of these injection techniques, a wide set of fault models (including several non-usual models) have been implemented. We have injected both transient and permanent faults on the system model, using two different workloads, with the help of a fault injection tool that we have developed. We have studied the pathology of the propagated errors, measured their latencies, and calculated both detection and recovery coverages. Results show that coverages for transient faults can be obtained quite accurately with any of the three techniques. This enables the use of different abstraction level models for the same system. We have also verified significant differences in implementation and simulation cost between the studied injection techniques.
机译：在这项工作中，已经比较了不同的基于VHDL的故障注入技术（模拟器命令，破坏者和突变体），并将其应用于容错系统的验证中。已经介绍了这些技术的一些扩展和实现设计。作为这些注入技术的补充，已实施了一系列故障模型（包括几种非常规模型）。在我们开发的故障注入工具的帮助下，我们使用两种不同的工作负载在系统模型上注入了瞬时故障和永久性故障。我们已经研究了传播错误的病理，测量了它们的延迟，并计算了检测和恢复覆盖率。结果表明，使用这三种技术中的任何一种都可以非常准确地获得瞬时故障的覆盖率。这样就可以对同一系统使用不同的抽象级别模型。我们还验证了所研究的注入技术之间在实现和仿真成本上的显着差异。

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