| CAN总线上层协议的设计 |
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| 引用本文： | 许杭,白瑞林,严惠.CAN总线上层协议的设计[J].计算机工程,2007,33(24):258-260. |
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| 作者姓名： | 许杭 白瑞林 严惠 |
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| 作者单位： | 江南大学控制科学与工程研究中心,无锡,214122 |
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| 摘 要： | 提出多帧控制协议和节点互访协议，讨论了两种协议在CAN协议上的实现及报文调度方法。采用多帧控制协议对多帧报文进行传输控制。节点互访协议采用存储区映射的方法来建立节点之间的逻辑联系，借鉴了MODBUS协议请求/应答形式的数据通信方法。实验表明该设计应用于电梯控制系统，能充分满足性能指标要求。
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| 关 键 词： | CAN总线 多帧控制协议 节点互访协议 MODBUS协议 |
| 文章编号： | 1000-3428(2007)24-0258-03 |
| 修稿时间： | 2007年1月2日 |
Design of Higher Layer Protocol Based on CAN Bus |
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| XU Hang,BAI Rui-lin,YAN Hui.Design of Higher Layer Protocol Based on CAN Bus[J].Computer Engineering,2007,33(24):258-260. |
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| Authors: | XU Hang BAI Rui-lin YAN Hui |
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| Affiliation: | Control Science and Engineering Research Center, Southern Yangtze University, Wuxi 214122 |
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| Abstract: | Multi-frame control protocol and node exchange visiting protocol are presented.This paper discusses the way of implementing the two protocols on CAN protocol and the method of message scheduling.Multi-frame control protocol is used to control transporting multi-frame messages.Node exchange visiting protocol adopts memory mapping to establish the logic relationship among nodes.Node exchange visiting protocol also consults request/response communication model used by MODBUS protocol.This design is applied to elevator control system,and it shows good capability. |
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| Keywords: | CAN bus multi-frame control protocol node exchange visiting protocol MODBUS protocol |
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