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题名: The Feasibility Study of SRU/LRU for the Vehicle Communication Network Based on CAN BUS
作者: Young, Jieh-Shian;Hua, Chin-Yi;Chang, Keng-Hua
贡献者: 車輛科技研究所
关键词: Controller area network;CAN;Data protocol;Round-way communication;Line replaceable unit;LRU
日期: 2010-03
上传时间: 2013-02-27T03:12:14Z
出版者: 中華民國航空太空學會
摘要: This paper mainly studies the feasible data protocols of control area network (CAN) for the avionics network systems. The objective is to assess the potentiality of CAN systems for the line/shop replaceable unit of avionics. The round-way communications between the master node and all other nodes are crucial for network systems of avionics. An approach with appropriate data protocol is proposed with the group master mechanism, or the indirect round-way communication. It can make the arbitrations, masks, filters, and other parameters of nodes in CAN bus reassigned on-line. The proposed approach will be implemented. The wire connections of CAN systems need not be changed by this approach. The analyses and measurements of the communication efficiency with different bytes of data filed are experimented. The results show that the bandwidth consumed approximates 0.18% with 8 bytes in a transmission if the trigger time is 1 second. It is intuitive that the bandwidth can be saved if the arbitrations of CAN nodes are encoded with less bit sizes. Although other approaches could be found in literature, the proposed approach for round-way communications in CAN is original as it is based on the mechanism of indirect round-way communications.
關聯: Journal of Aeronautics, Astronautics and Aviation. Series A, 42(1): 57-66
显示于类别:[車輛科技研究所] 期刊論文

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