| 常减压DCS监控系统中仪表装置的可靠性评价 |
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| 引用本文： | 秦汝祥,吴健.常减压DCS监控系统中仪表装置的可靠性评价[J].安全．健康和环境,2003,3(10):37-39. |
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| 作者姓名： | 秦汝祥 吴健 |
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| 作者单位： | 安徽理工大学,安徽淮南,232001 |
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| 摘 要： | 以常减压车间DCS监控系统中“仪表装置”的可靠性评价为例，运用了一种基于区间模糊集和证据推理的方法来评估石化装置的可靠性。并对各组成部分及部件的可靠性用区间模糊语言变量来表示，利用证据推理方法合成各子系统部件的可靠性评价结果，最终得到整个系统的可靠性水平。
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| 关 键 词： | 常减压车间 DCS监控系统 仪表装置 可靠性 评价 区间模糊集 证据推理 评语集 石化装置 |
Reliability Evaluation of Instrument Devices of the DCS Monitoring System in Petrochemical Equipment |
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| QIN Ruxiang and WU Jian.Reliability Evaluation of Instrument Devices of the DCS Monitoring System in Petrochemical Equipment[J].Safety Environment Health,2003,3(10):37-39. |
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| Authors: | QIN Ruxiang and WU Jian |
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| Abstract: | Taking the example of normal-lower pressure workshop, based on the characteristic of petrochemical equipment, fuzzy sets and evidential reasoning is applied to evaluate the reliability of instrument device of the DCS monitoring system and is described by interval fuzzy linguistic variables. An evidential reasoning approach is employed to get the reliability of the whole equipment, which is synthesized by the reliability information of the components of each subsystem. |
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| Keywords: | DCS monitoring system reliability fuzzy linguistic evidential evaluation |
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