摘要
新型客机、运输机选用AFDX网络作为综合化航空电子系统的主干网络,AFDX端系统(ES)作为通信接口是AFDX网络重要的组成部分。本文研究了ARINC664标准对AFDX-ES的设计需求,包括虚拟链路、冗余管理、完整性检测以及SkewMax等,分析了AFDX-ES的结构和数据收发流程,重点描述了冗余管理的调度机制和实现方法。采用FPGA实现并验证了AFDX-ES的设计需求,为研制自主化的AFDX端系统产品提供参考。
AFDX network has become the backbone in the modem Avionics. AFDX End System （ES） is an important part of AFDX network. This paper firstly introduces the design requirements for AFDX-ES specified in ARINC664, including virtual link, redundancy management, integrity checking and SkewMax, then analyzes the structure, and the transmitting and receiving process of AFDX ES. Moreover, the paper prominently describes the transmission schedule mechanism and realization method of redundancy management. FPGA is adopted to realize and validate the AFDX ES transmission function, so as to provide reference for developing self-designed AFDX ES products.
出处
《电子技术（上海）》
2012年第12期10-13,共4页
Electronic Technology
