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《Acta Metrologica Sinica》 2007-03
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Measurement of Qualified Parts Based on Fuzzy Measurement Theory

MA Chun-xiang,LI Tao,WANG Wei-fang,PAN Ming-yue(School of Mechanical and Power Engineering,Shanghai Jiaotong University,Shanghai 200030,China)  
Under the condition of lack of parts samples,according to possibility theory,the dimensions of parts is taken as a fuzzy variable,and the fuzzy restriction and fuzzy possibility distribution function for expressing the dimension of parts is given.Based on the fuzzy possibility measurement theory,the fuzzy mathematical approach to measure qualified parts and non-qualified parts are analyzed when the tolerance of the dimensions of parts is considered as crisp allowable interval and fuzzy allowable interval.Then the formulas to calculate the fuzzy possibility measurement of qualified parts,non-qualification reparable parts and non-qualification non-reparable parts are proposed,and the changing regularities of the fuzzy possibility measurement of qualified parts are given out.Finally,the calculation of example is carried out.
【CateGory Index】: O159
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Chinese Journal Full-text Database 1 Hits
1 MA Chun-xiang, QU Zheng-hong (School of Mechanical and Power Engineering, Shanghai Jiaotong University,Shanghai 200030, China );Probability of the Qualified and Unqualified Parts Based on Fuzzy Mathematical Theory[J];Acta Metrologica Sinica;2005-03
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