Abstract
Embedded systems are widely used in safety-critical industrial fields, but currently the safety of embedded systems lacks a comprehensive analysis. Therefore, a fault evolution chain analysis method for embedded systems has been proposed, which integrates failure probability and failure path. Firstly, the hierarchical analysis method is used to construct the evolution relationship chain of faults, namely the fault evolution chain, by referring to the methods of failure mode and impact analysis. Then, the fault evolution chain can be used to analyze the possible faults in the system, the causes of faults, the level of harm caused by faults, and the propagation path of faults. Experiments were conducted on two embedded software systems, and the results showed that the fault evolution chain method is more comprehensive than fault impact analysis, functional hazard analysis, and fault tree analysis. The fault evolution chain method can be used to analyze the security of embedded systems effectively.
| Translated title of the contribution | A safety analysis approach for embedded system |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 1930-1939 |
| Number of pages | 10 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 49 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 2023 |
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