| 安全相关控制系统中的安全总线分析和研究 |
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| 引用本文： | 方来华,吴宗之,刘冀,杨凌.安全相关控制系统中的安全总线分析和研究[J].化工自动化及仪表,2007,34(1):1-6. |
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| 作者姓名： | 方来华 吴宗之 刘冀 杨凌 |
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| 作者单位： | 中国安全生产科学研究院,北京,100029 |
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| 摘 要： | 较全面地阐述目前安全相关控制系统中6种主流安全总线的结构和特点,分析信息传输可能发生的错误,研究各总线在信息级应对传输错误所采取的具体防范措施以及为提高通讯安全在结构上所采取的安全机制,从而为深入理解各安全总线不同的安全工作机制、分析和设计安全总线以及安全监控系统总线的选择提供了借鉴和指导.
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| 关 键 词： | 安全总线 传输错误 系统结构 防范措施 |
| 文章编号： | 1000-3932(2007)01-0001-06 |
| 修稿时间： | 10 8 2006 12:00AM |
Analysis and Investigation of Safety Buses in Safety-related Control System |
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| FANG Lai-hua,WU Zong-zhi,LIU Ji,YANG Ling.Analysis and Investigation of Safety Buses in Safety-related Control System[J].Control and Instruments In Chemical Industry,2007,34(1):1-6. |
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| Authors: | FANG Lai-hua WU Zong-zhi LIU Ji YANG Ling |
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| Affiliation: | China Academy of Safety Science and Technology, Beijing 100029, China |
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| Abstract: | Six types of main safety buses presently used in safety-related control system are expounded comprehensively.Errors that possibly occur in information transmission are analyzed.Defense methods against transmission errors and safety mechanism in system architecture to enhance communication safety are investigated in detail.The research provides reference and guidance to the profoundly understanding of safety mechanism in different safety bus,design and analysis of safety buses as well as choice of buses for safety monitoring system. |
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| Keywords: | safety bus transmission errors system architecture defense methods |
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