航空电子WDM光网络可靠性建模

刘晓敏; 何锋; 熊华钢; 屠晓杰

航空电子WDM光网络可靠性建模

北京航空航天大学电子信息工程学院, 北京 100191

详细信息

中图分类号: TP393
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出版历程
- 收稿日期: 2013-01-28
- 网络出版日期: 2013-12-30

Reliability model of avionics WDM optical network

School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 为了构建先进综合化航空电子系统的统一网络，提出了基于WDM （Wave-length Division Multiplexing）光网络的航电骨干网与外接边缘网互连方式的航电统一网络，并采用多跳ShuffleNet网络作为航电光骨干网的模型.针对综合化航电网络的可靠性问题，建立了基于航电任务与任务路径的可靠性建模方法，给出了保证任务执行成功的可靠度计算公式.以ShuffleNet航电光骨干网作为建模实例，通过对航电任务可靠度的分析计算，得到了系统任务的执行时间、网络规模、任务路径的跳数对系统可靠度影响最大，而同等条件下光纤链路的复用波长数对任务可靠度影响不明显的结论.仿真结果显示，基于任务的可靠性建模与计算方法可以为航电系统的可靠性分析提供理论基础.
- 航空电子 /
- WDM光网络 /
- 可靠性
Abstract: To build the unified avionics network in advanced integrated avionics system, the avionics WDM optical network which includes avionics backbone network and edge network was proposed, and multiple ShuffleNet was applied as the model of avionics optical backbone network. To solve reliability performance evaluation problem in integrated avionics network, a model of avionics task and routing was built, meanwhile, the formula of reliability on avionics task was introduced. An illustration of ShuffleNet model was presented. Through the analysis of reliability of avionics task in ShuffleNet, the system execution time, the number of network nodes and routing hops are the dominant factors that affect the system reliability, and the number of wavelengths has little effects on reliability under the same conditions. The simulation results show that the reliability model of avionics task and calculation method can provide the theoretical basis for the analysis of reliability in avionics system.
- avionics /
- wavelength division multiplexing optical network /
- reliability

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参考文献(13)

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