基于FlexRay总线的无人机航电系统设计  

Design of UAV advanced avionics system based on FlexRay

作　　者：豆海利 DOU Haili(Department of Foundation,Air Force Engineering University,Xi’an 710051,China)

机构地区：[1]空军工程大学基础部,陕西西安710051

出　　处：《现代电子技术》2021年第23期13-17,共5页Modern Electronics Technique

基　　金：空军工程大学基础部科研启动基金资助(JK2021102)。

摘　　要：针对中小型无人机航电系统,选用具有时间触发特性的FlexRay总线作为系统通信总线,采用双通道冗余传输方式,保证了数据通信的实时性、稳定性和安全性。依据ASAAC统一架构标准和ARINC653结构设计方法,在对系统应用需求分析的基础上,设计出了综合化、网络统一化、具有蓝图配置的无人机先进航电系统架构,并通过集成配置平台,利用XML文件实现系统ICD的动态装载,能够支持系统管理、网络通信、时间同步、容错策略等功能。最后完成了系统半实物仿真实验,验证结果表明设计方案合理可行,该系统具有重构性、可扩展和健壮性,能够满足中小型无人机先进航电系统的应用要求,为未来新型分布式综合模块化航空电子系统的研究与设计提供了技术支持。FlexRay with time-triggered characteristics is selected as the system communication bus for the avionics system for small-and medium-sized UAVs.The dual-channel redundant transmission mode is adopted to ensure the real-time performance,stability and security of data communication.According to the ASAAC(Allied Standard Avionics Architecture Council)unified architecture standard and the ARINC653 structural design method,an integrated UAV advanced avionics system with unified network architecture and blueprint configuration is designed based on the analysis of system application requirements.By the integrated configuration platform,the system ICD(interface control document)can be dynamically loaded by XML(extensible markup language)files.This design can support functions of system management,network communication,time synchronization and fault-tolerant strategy.Finally,a system semi-physical simulation platform was built.The verification results show that the designed scheme is feasible,and the system is of reconfiguration,reusability and robustness,which can meet the application requirements of the advanced avionics system for small-and medium-sized UAVs,and can provide technical support for the research and design of new distributed integrated modular avionics system.

关 键 词：综合模块化航空电子 无人机 FLEXRAY ARINC653 时间触发协议 开放式系统架构 系统健康管理 蓝图配置 

分 类 号：TN962-34[电子电信—信号与信息处理]