| 基于VB和CAN总线的分布式监控系统设计 |
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| 引用本文： | 高双喜,商月平,陈书旺.基于VB和CAN总线的分布式监控系统设计[J].河北工业科技,2005,22(2):87-90. |
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| 作者姓名： | 高双喜 商月平 陈书旺 |
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| 作者单位： | 河北经贸大学信息技术学院,河北石家庄,050061;河北经贸大学数学与统计学学院,河北石家庄,050061;河北科技大学信息科学与工程学院,河北石家庄,050054 |
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| 摘 要： | 详细介绍了基于VB和CAN总线的分布式监控系统的逻辑结构,给出了上位机与主控单片机之间通信的方法,并制定出相应的通信协议,实现了在CAN总线中利用广播技术控制各节点同步数据采集,并对各节点数据采集的同步精度进行了简要地分析。该系统具有结构简单、易于扩展等诸多优点。经现场实际运行,该系统运行可靠,可广泛地应用于各种需要同步数据采集的分布式监控系统当中。
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| 关 键 词： | VB CAN 分布式监控系统 广播 同步 |
| 文章编号： | 1008-1534(2005)02-0087-04 |
| 修稿时间： | 2003年12月16 |
Distr ibuted monitor system based on VB and CAN bus |
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| GAO Shuang-xi,SHANG Yue-ping and CHEN Shu-wang.Distr ibuted monitor system based on VB and CAN bus[J].Hebei Journal of Industrial Science & Technology,2005,22(2):87-90. |
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| Authors: | GAO Shuang-xi SHANG Yue-ping and CHEN Shu-wang |
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| Institution: | GAO Shuang-xi~1,SHANG Yue-ping~2,CHEN Shu-wang~3 |
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| Abstract: | The structure of distributed monitor system based on VB and CAN bus is described in detail.The communication method between upper computer and dominant micro controller is presented and corresponding protocol is defined too.Precision of all nodes synchronous acquisition is priefly analyzed.This system has many advantages,such as simple structure,easy extension etc.The method of using broadcasting technologies in CAN bus to control all nodes synchronized sampling is realized.Actual usage proved that it has higher reliability and can be used in many kinds of distributed controlling system. |
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| Keywords: | VB CAN distributed monitor system broadcasting synchronization |
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