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中文摘要：
通过对无人机系统的航空总线类型的应用背景分析,给出了无人机系统CAN总线网络结构图;针对无人机工作可靠性的苛刻要求和CAN总线的底层协议,详细讨论了航空航天领域专用的较高层协议CANaerospace协议,并应用于某型无人机系统上,对总线的通信时间和处理故障性能加以分析,估算后通信时间和故障性能处理时间完全满足无人机系统设计要求,实现了机载电子设备间的网络化通信,提高了系统可靠性。
英文摘要：
Through analyzing the background of aero bus used in UAV system,the CAN bus network structure chart was made.To aim at the high reliability request,discussed the CANaerospace protocol in detail used in aviation and spaceflight field particularly and applied in one kind of UAV system.After computing the communication time and capability of dealing with fault,the results were satisfied designing requests and the airborne avionics communication between networks were implemented.At the same time the system＇s reliability was also improved.
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