| 基于模拟首部的FlexRay车载适配器设计 |
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| 引用本文： | 刘彪,李春栋,金振华,卢青春,庄江丽.基于模拟首部的FlexRay车载适配器设计[J].北方交通大学学报,2012(5):24-28. |
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| 作者姓名： | 刘彪 李春栋 金振华 卢青春 庄江丽 |
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| 作者单位： | [1]北京交通大学电气工程学院,北京100044 [2]清华大学汽车安全与节能国家重点实验室,北京100084 |
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| 基金项目： | 中央高校基本科研业务费专项资金资助（2011JBM114）; 清华大学汽车安全与节能国家重点实验室开放基金项目资助（KF11142） |
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| 摘 要： | FlexRay总线以其高带宽、时间触发机制、高可靠性和灵活性的优势,在汽车控制总线中应用越来越广泛,FlexRay总线与车上传统总线CAN及LIN总线之间的信息交互成为迫切需要解决的问题.本文针对此提出一种基于模拟首部添加的适配器,用于FlexRay总线与其他总线之间信息传递,根据FlexRay总线及其他车用总线的特点,设计了专门的模拟首部格式,将模拟首部和有效数据封装在FlexRay数据帧中,以车用混合动力系统为目标,搭建了实验平台,验证了适配器的功能与传输效果.本文所述的方法降低了中间网络适配器软件处理的复杂度,同时减少了系统时延.
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| 关 键 词： | FlexRay总线 模拟首部 CAN总线 LIN总线 车载适配器 |
Design of FlexRay adapter based on seeming frame header |
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| LIU Biao,LI Chundong,JIN Zhenhua,LU Qingchun,ZHUANG Jiangli.Design of FlexRay adapter based on seeming frame header[J].Journal of Northern Jiaotong University,2012(5):24-28. |
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| Authors: | LIU Biao LI Chundong JIN Zhenhua LU Qingchun ZHUANG Jiangli |
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| Institution: | 1.School of Electrical Engineering,Beijing Jiaotong University,Beijing 100044,China;2.State Key Laboratory of Automotive Safety and Energy,Tsinghua University,Beijing 100084,China) |
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| Abstract: | With the good performance of real-time,network rate,reliability and flexibility,FlexRay bus is increasingly applied in automobile control bus.The messages transfer between FlexRay and CAN or LIN need to be solved urgently.This thesis presents a bus adapter based on the Seeming Frame Header which used to realize the protocol conversion between FlexRay and CAN or LIN.The adapter encloses the data or ID information directly with Tunneling Technology.The function and the effect were proved by the application on the hybrid electrical vehicle.The paper can reduce processing complexity of the software in adapter and the delay of the whole network. |
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| Keywords: | FlexRay bus seeming frame header CAN bus Lin Bus on-board adapter |
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