Safety-critical distributed flight control systems require robustness in the presence of faults. In general, these systems consist of a number of input/output (I/O) and computation nodes interacting through a fault-tolerant data communication system. The communication system transfers sensor data and control commands and can handle most faults under typical operating conditions. However, the performance of the closed-loop system can be adversely affected as a result of operating in harsh environments. In particular, High-Intensity Radiated Field (HIRF) environments have the potential to cause random fault manifestations in individual avionic components and to generate simultaneous system-wide communication faults that overwhelm existing fault management mechanisms. This paper presents the design of an experiment conducted at the NASA Langley Research Center's HIRF Laboratory to statistically characterize the faults that a HIRF environment can trigger on a single node of a distributed flight control system.


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    Title :

    High-Intensity Radiated Field Fault-Injection Experiment for a Fault-Tolerant Distributed Communication System



    Conference:

    29th Digital Avionics Systems Conference ; 2010 ; Salt Lake City, UT, United States


    Publication date :

    2010-10-03


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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