基于CAN的大客飞机航电系统局域网通信设计

Design of LAN communication based on CAN for aircraft avionics system

提出一种基于CAN总线的大客飞机航电系统局域网通信仿真系统设计方法,探讨了CAN总线在航电总线中应用的优点及可能性。仿真系统硬件通过CAN总线通信卡及工控机实现,软件通过模块化设计方法实现。通信仿真系统实现了各子系统相关数据的传送、处理,以及相关信息的实时显示。应用表明,局域网通信系统工作正常、性能良好,能实现测试设备之间高速率的数据传输与转换,具有良好的实用价值。

A method of the simulation design of LAN communication system based on CAN（Controller Area Network） bus for avionics system of large passenger aircraft is introduced,the advantages and possibilities of the CAN bus applications in the avionics bus are discussed.The hardware of simulation system was composed of CAN bus communication cards and IPC,the software was achieved through a modular design.The communication simulation system achieved the relevant data transmission,processing and real-time display of relevant information.Application indicates that local area network communication system works properly,and has good performance,it′s managed to transfer and transform the data of high-speed between testing equipments.This system has good practical value.