| RS485串行总线可靠性探讨 |
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| 引用本文： | 王喜祥,赵宴辉,廉成强. RS485串行总线可靠性探讨[J]. 舰船防化, 2011, 0(2) |
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| 作者姓名： | 王喜祥 赵宴辉 廉成强 |
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| 作者单位： | 中国船舶重工集团公司第七一八研究所; |
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| 摘 要： | RS485总线在舰船通信系统中,由于受到强电磁场干扰、收发复用线路、以及高温、高湿恶劣海洋环境的影响,其通讯可靠性较差。从阻抗匹配、失效保护、系统冗余等方面分析了影响RS485总线技术可靠性的因素,提出了相应的解决方法,并成功应用于舰船监控网络中,保证了监控装置的可靠运行。
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| 关 键 词： | RS485 可靠性 系统冗余 抗干扰 |
Research on Reliability of RS485 Serial Bus |
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| Wang Xi-xiang,Zhao Yan-hui,Lian Cheng-qiang. Research on Reliability of RS485 Serial Bus[J]. Chemical Defence on Ships, 2011, 0(2) |
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| Authors: | Wang Xi-xiang Zhao Yan-hui Lian Cheng-qiang |
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| Affiliation: | Wang Xi-xiang,Zhao Yan-hui,Lian Cheng-qiang (The 718th Research Institute of CSIC,Handan 056027,China) |
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| Abstract: | The RS485 bus technology has been widely used in industry. But it has a poor communication reliability when it is used ship communication system because of influence of marine environments such as electromagnetic interference, multiple bus competition of communication, high temperature and high humidity. The factors affecting RS485 bus technology are analyzed in the field of impedance matching, expired protection and system redundancy, and the resolution are introduced in this paper. These improvements have... |
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| Keywords: | RS485 Reliability System Redundancy Anti-Interference |
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