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为了对综合模块化航空电子(IMA)系统的健康管理功能进行验证,给出了通过航空电子全双工交换式以太网(AFDX)进行故障注入的技术解决方案。在该方案下,提出了故障数据的配置管理方法,以及一种解决主机数据更新间隔、发送间隔与AFDX端系统定时器周期不匹配的发送策略,搭建了相应故障注入装置,开发了故障注入软件,通过实验测试说明了上述方法和策略的有效性。
To validate the health management capabilities of an integrated modular avionics (IMA) system, a technical solution for fault injection via Avionics full-duplex switched Ethernet (AFDX) is presented. Under this scheme, a method of configuration management of fault data and a sending strategy to solve the problem of host data update interval and sending interval which do not match with AFDX end system timer period are proposed. Fault injection devices are set up and fault injection software is developed. , Through the experimental test illustrates the effectiveness of the above methods and strategies.