| 提高多机数据采集系统的通信可靠性 |
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| 引用本文： | 马维华.提高多机数据采集系统的通信可靠性[J].数据采集与处理,2002,17(4):441-445. |
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| 作者姓名： | 马维华 |
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| 作者单位： | 南京航空航天大学信息科学与技术学院,南京,210016 |
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| 摘 要： | 借助EIA RS—485总线，以微控制器为核心的数据采集系统可方便地构成多机系统，同时并行数据采集。然而，随着多机系统的应用，数据通信可靠性成为整个应用系统的关键。本文提出了提高多机系统通信可靠性的若干硬件和软件措施。这些措施在实际应用中表明，效果良好。
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| 关 键 词： | 数据采集系统 通信可靠性 微控制器 多机系统 RS－485总线 数据处理 |
| 文章编号： | 1004-9037(2002)04-0441-05 |
| 修稿时间： | 2002年2月27日 |
Reliability Improvement of Multi-Processor Communication for Data Acquisition System |
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| Ma Weihua College of Information Science and Technology,Nanjing University of Aeronautics & Astronautics Nanjing ,P.R.China.Reliability Improvement of Multi-Processor Communication for Data Acquisition System[J].Journal of Data Acquisition & Processing,2002,17(4):441-445. |
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| Authors: | Ma Weihua College of Information Science and Technology Nanjing University of Aeronautics & Astronautics Nanjing PRChina |
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| Affiliation: | Ma Weihua College of Information Science and Technology,Nanjing University of Aeronautics & Astronautics Nanjing 210016,P.R.China |
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| Abstract: | Based on EIA RS-485 bus line and microcontrollers, data acquisition systems can be constructed with multiple-processors to process multiple signals in parallel. However, data communication reliability is a key issue in the multi-processor system application. By using both hardware and software approaches, this paper studies new technologies to improve the system reliability of multiple-computer communication. Applicational results are achieved. |
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| Keywords: | multi-processors data acquisition data communication reliability RS-485 bus |
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