| 基于广义模糊数相似测度风险分析方法 |
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| 引用本文： | 张增刚,郑贤斌,李继志.基于广义模糊数相似测度风险分析方法[J].系统工程理论与实践,2010,30(4):738-743. |
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| 作者姓名： | 张增刚 郑贤斌 李继志 |
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| 作者单位： | 1. 中国石油大学(华东)机电工程学院,东营,257061
2. 中国石油集团,安全环保技术研究院,北京,100083 |
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| 摘 要： | 为了提高风险评价信息的可信度,在"单重心方法"(SCGM)计算广义模糊数的重心点基础上,提出了一种新的基于广义模糊数相似测度的模糊风险分析方法.与现有的风险评价方法相比,基于SCGM的模糊风险分析方法考虑了决策者意见的可信度,灵活性和智能化程度更高.以管道失效概率为例给出了该方法的操作步骤,计算结果表明该方法能正确处理模糊风险分析问题,可为安全管理工作提供充分的依据.
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| 关 键 词： | 重心点 广义模糊数 相似测度 模糊风险分析 |
Risk analysis method based on similarity measures of generalized fuzzy numbers |
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| ZHANG Zeng-gang,ZHENG Xian-bin,LI Ji-zhi.Risk analysis method based on similarity measures of generalized fuzzy numbers[J].Systems Engineering —Theory & Practice,2010,30(4):738-743. |
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| Authors: | ZHANG Zeng-gang ZHENG Xian-bin LI Ji-zhi |
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| Affiliation: | ZHANG Zeng-gang~1,ZHENG Xian-bin~2,LI Ji-zhi~1 (1.College of Mechanical , Electronic Engineering,China University of Petroleum,Dongying 257061,China,2.Research Institute of Safety , Environment Technology,China National Petroleum Corporation,Beijing 100083,China) |
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| Abstract: | In order to enhance the credibility of the risk assessment information,a new fuzzy risk analysis method based on similarity measures of generalized fuzzy numbers was proposed.The simple center of gravity method(SCGM) is applied to measure the degree of similarity between trapezoidal or triangular generalized fuzzy numbers by calculating their center of gravity(COG) points.The proposed similarity measure,which can overcome the drawbacks of the existing methods,is developed to deal with fuzzy risk analysis pr... |
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| Keywords: | center-of-gravity generalized fuzzy number similarity measure fuzzy risk analysis |
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