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浙江大学学报(工学版)
能源与机械工程     
面向模糊多级特征的F-MEWMA控制图研究
周娟,余忠华,侯智
浙江大学 浙江省先进制造技术重点研究实验室,浙江 杭州310027
F-MEWMA control chart for fuzzy hierarchical quantitative characteristics
ZHOU Juan, YU Zhonghua, HOU Zhi
Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, Zhejiang University, Hangzhou 310027, China
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摘要:

围绕难以定量测量、但可以分级量化的质量特性,在实施统计过程控制中所遇到的检出力受限问题展开讨论,提出模糊多变量指数加权移动平均控制图(F-MEWMA)方法.该方法借助于模糊理论,对分级量化特征进行模糊化处理. 针对不同α截集包含信息量多寡的问题,提出应用加权α截集模糊区间值来构造统计量,分别针对模糊单变量和模糊多变量质量特性进行数学表征与比较分析. 采用Matlab仿真的方式确定不同权重系数和不同维数下的控制限,完成F-EWMA、F-MEWMA的设计. 采用Matlab仿真的方法,以识别变异的概率为评价指标对F-MEWMA的监控效果进行分析. 以电能表潜动和起动的质量特性为例,对提出的方法进行应用,取得了较好的应用效果.

Abstract:

Fuzzy multivariate exponentially weighted moving average control chart (F-MEWMA) was proposed in order to solve the problem of lower power when implementing statistical process control to the quality characteristic which was difficult to quantify but could be described in hierarchical levels. F-MEWMA tried to blur the hierarchical quantitative characteristics based on fuzzy theory. Since different α cut sets containing different amount of information, interval value of weighted fuzzy α cut set was proposed. Mathematical characterization and comparison of the quality characteristics for fuzzy univariate data and fuzzy multivariate data were conducted respectively, and the control limits for different weight coefficients and different dimensions were determined by Matlab simulation. Then F-EWMA and F-MEWMA were designed. The effect of F-MEWMA was analyzed by calculating probability of identifying variation by Matlab simulation. The implementation of the F-MEWMA on the electric energy meter running and starting quality characteristics showed good result.

出版日期: 2016-07-23
:  O 213  
基金资助:

国家自然科学基金资助项目(50835008,71071138).

通讯作者: 余忠华,男,教授,博导. ORCID: 0000-0003-3326-5526.     E-mail: yuzhh@zju.edu.cn
作者简介: 周娟(1979-),女,讲师,博士生,从事质量工程的研究.ORCID: 0000-0002-2579-0067.E-mail:happyzhoujuan@126.com
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引用本文:

周娟,余忠华,侯智. 面向模糊多级特征的F-MEWMA控制图研究[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.07.021.

ZHOU Juan, YU Zhonghua, HOU Zhi. F-MEWMA control chart for fuzzy hierarchical quantitative characteristics. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.07.021.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.07.021        http://www.zjujournals.com/eng/CN/Y2016/V50/I7/1373

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