飞行试验测试采集的AFDX总线检测分析技术研究

在航空产品的航电系统跨代升级中,AFDX总线数据的检测分析是飞行试验对航空产品航电系统进行科研鉴定的一项重要技术手段,针对复杂航空电子环境下的采集记录的AFDX总线数据的多类、随机性等特点,提出了AFDX总线消息识别、帧检测、丢包检测分析方法及实现技术,并结合采用了AFDX总线周期检测分析算法,设计了AFDX总线的检测分析技术,实现了飞行试验AFDX总线的检测分析,最后在某试验机AFDX总线飞行试验测试中进行了应用,试验表明该AFDX总线检测分析技术满足飞行试验对航电系统进行科研鉴定的需求。

Research on the Detection and Analysis Technology of the Flight Test Acquisition AFDX Bus Data

In cross-generation upgrade of the avionics system of aviation products, the detection and analysis of the AFDX bus data is an important technology medium for scientific research appraisal to the avionics system of aviation products in the flight test, in view of the characteristics of the AFDX bus data acquisition and recording of complex airborne electronic environment, the bus data is random and so on, designed the detection and analysis technology of AFDX bus message recognized, frame analysis, lost packet analysis, and the AFDX bus cycle detection algorithm is used in combination, design the detection and analysis technology of the AFDX bus, realize the detection and analysis of the flight test AFDX bus. In the end, the technology is carried out in the flight test of a test aircraft, which meets the detection and analysis requirements of flight test AFDX bus data.