| TTCAN系统及其在分布式车辆网络中的应用 |
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| 引用本文： | 宋国民,欧阳明高,杨福源,胡林峰,杭勇.TTCAN系统及其在分布式车辆网络中的应用[J].汽车工程,2005,27(6):665-669. |
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| 作者姓名： | 宋国民 欧阳明高 杨福源 胡林峰 杭勇 |
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| 作者单位： | 清华大学,汽车安全与节能国家重点实验室,北京,100084;第一汽车集团无锡油泵油嘴研究所,无锡,214063;清华大学,汽车安全与节能国家重点实验室,北京,100084;第一汽车集团无锡油泵油嘴研究所,无锡,214063 |
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| 摘 要： | 在车辆总线技术研究的基础上分析了CAN通信应用，对CAN总线仲裁消息发送延迟、不相容行为消息错误进行了详细研究，并通过试验定量分析事件触发CAN在实时系统应用中的不足。为克服传统CAN通信不足引入时间触发通信协议，阐述了时间触发CAN（TTCAN）系统结构、定时机制、容错等关键技术，并对车辆其它类似总线进行了分析，最后对TTCAN在分布式车辆网络中的应用前景进行了展望。
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| 关 键 词： | 车辆总线 TTCAN 分布式车辆网络 应用 |
| 收稿时间： | 2004-08-31 |
| 修稿时间： | 2004-08-312004-12-15 |
Time Triggered CAN and Its Application to Distributed Vehicle Network |
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| Song Guomin,Ouyang Minggao,Yang Fuyuan,Hu Linfeng,Hang Yong.Time Triggered CAN and Its Application to Distributed Vehicle Network[J].Automotive Engineering,2005,27(6):665-669. |
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| Authors: | Song Guomin Ouyang Minggao Yang Fuyuan Hu Linfeng Hang Yong |
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| Institution: | 1. Tsinghua University, State Key Laboratory of automotive Safety and Energy, Beijing 100084; 2. Wuxi Fuel Injection Equipment Research Institute, First Automobile Works, Wuxi 214063 |
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| Abstract: | The application of controlled area network(CAN) communications is analyzed based on the study on vehicle bus technology.The message transmission delay in bus arbitration and the message errors due to inconsistency are studied in detail,and the shortcoming of event triggered CAN in real time system is analyzed quantitatively through testing.Time triggered protocol(TTP) is then introduced to overcome the shortcomings of traditional CAN.The structure and key technologies of timing mechanism and fault tolerant of time triggered CAN(TTCAN) are discussed at length,and several similar vehicle buses are analyzed.Finally the application prospect of TTCAN to distributed vehicle network is forecasted. |
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| Keywords: | Vehicle bus TTCAN Distributed vehicle network Application |
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