Implementation of Fault Injection Module in a Flight Command Simulation System
In this paper,the combination of software and hardware is used to inject different commands such as short circuit,open circuit,parallel impedance,serial impedance,signal amplitude adjustment,signal delay,rate adjustment and so on,includ-ing RS232,RS422,ARINC429,analog quantity,digital quantity and other types of signals,through the fault injection of the physi-cal layer,electrical layer and link layer of the flight simulator equipment.After the debugging and verification of a flight command simulation system verification equipment,the fault injection between its signal source,actuator and redundancy is realized,which proves that the fault injection module can effectively verify the work and fault processing capability of a flight command simulation system.
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