| 一种新的广义梯形模糊数相似性度量方法及在故障诊断中的应用 |
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| 引用本文： | 文成林,周哲,徐晓滨.一种新的广义梯形模糊数相似性度量方法及在故障诊断中的应用[J].电子学报,2011,39(Z1):1-6. |
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| 作者姓名： | 文成林 周哲 徐晓滨 |
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| 作者单位： | 杭州电子科技大学自动化学院,浙江杭州,310018 |
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| 基金项目： | 国家自然科学基金，浙江省自然科学基金，中国博士后科学基金，清华信息科学与技术国家实验室 |
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| 摘 要： | 当前,研究模糊数(Fuzzy nmnber,FN)或广义模糊数(Generalized fuzzy mumber,CFN)之间的相似性度量方法,大多用于度量论域在单位区间上的标准模糊数.然而在实际中,非标准模糊数却十分常见,而利用现有的多数方法则须先将其转化为标准模糊数再加以处理.但是,归一化的过程会因引起信息损失致使...
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| 关 键 词： | 广义模糊数 相似性度量 故障诊断 DS证据理论 |
A New Similarity Measure Between Generalized Trapezoidal Fuzzy Numbers and Its Application to Fault Diagnosis |
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| WEN Cheng-lin,ZHOU Zhe,XU Xiao-bin.A New Similarity Measure Between Generalized Trapezoidal Fuzzy Numbers and Its Application to Fault Diagnosis[J].Acta Electronica Sinica,2011,39(Z1):1-6. |
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| Authors: | WEN Cheng-lin ZHOU Zhe XU Xiao-bin |
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| Affiliation: | WEN Cheng-lin,ZHOU Zhe,XU Xiao-bin(School of Automation,Hangzhou Dianzi University,Hangzhou,Zhejiang 310018,China) |
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| Abstract: | At present,some methods have been presented to calculate the degree of similarity between(Fuzzy numbers,FNs) or(Generalized fuzzy numbers,GFNs) Most of them are designed for standardized fuzzy numbers,i.e.,the universe of the discourse of FNs lie in unit interval.In order to deal with the non-standardized fuzzy numbers common in practice,it is necessary to transform it into standardized fuzzy numbers,such that the degree of similarity can be calculated.However,normalization process tends to cause informatio... |
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| Keywords: | generalized fuzzy number similarity measure fault diagnosis DS evidence theory |
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