| 时间触发型FlexRay总线星载应用研究 |
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| 引用本文： | 刘思远,杨芳,汪小洁,刘胜利,李国军,袁春柱.时间触发型FlexRay总线星载应用研究[J].航天器工程,2012,21(6):80-86. |
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| 作者姓名： | 刘思远 杨芳 汪小洁 刘胜利 李国军 袁春柱 |
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| 作者单位： | 1. 航天东方红卫星有限公司,北京,100094
2. 北京系统工程研究所,北京,100101 |
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| 摘 要： | 提出将具备时间触发特征的新一代车载总线FlexRay引入小卫星星上电子系统，分析了FlexRay总线访问机制、数据帧结构、容错特性、网络时间同步等对星载应用的适应性，并给出基于该总线的星载网络设计及应用思路，对星载网络拓扑结构、节点信息传递方式、总线通信应用协议、网络节点实现等进行了初步设计，可为该总线的星载应用提供一定的技术参考。
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| 关 键 词： | 星载总线 时间触发 FlexRay总线 星载应用 |
Analysis of Time-triggered FlexRay Bus for Satellite Avionics Application |
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| LIU Siyuan,YANG Fang,WANG Xiaojie,LIU Shengli,LI Guojun,YUAN Chunzhu.Analysis of Time-triggered FlexRay Bus for Satellite Avionics Application[J].Spacecraft Engineering,2012,21(6):80-86. |
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| Authors: | LIU Siyuan YANG Fang WANG Xiaojie LIU Shengli LI Guojun YUAN Chunzhu |
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| Institution: | 1(1 DFH Satellite Co.Ltd,Beijing 100094,China)(2 Beijing Institute of System Engineering,Beijing 100101,China) |
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| Abstract: | Next generation automotive bus FlexRay is introduced into satellite avionics in this paper. The feature and adaptability of FlexRay for satellite avionics application is analyzed, which includes bus access mechanism, frame data structure, error tolerance and network time synchronization. Satellite avionics networks architecture, information exchange mode and communication application protocol based on FlexRay are presented, which can be as the reference for future application of FlexRay bus in satellite avionics. |
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| Keywords: | on-board avionics bus time-triggered FlexRay bus satellite avionics application |
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