Double sampling np chart with estimated process parameter

被引:12
|
作者
Lee, Ming Ha [1 ]
Khoo, Michael B. C. [2 ]
机构
[1] Swinburne Univ Technol, Fac Engn Comp & Sci, Sch Engn, Sarawak Campus,Jalan Simpang Tiga, Kuching 93350, Sarawak, Malaysia
[2] Univ Sains Malaysia, Sch Math Sci, George Town, Malaysia
关键词
Double sampling; Estimated process parameter; np chart; Non-conforming items; Number of Phase-I samples; C-CHART; PERFORMANCE; (X)OVER-BAR; DESIGN;
D O I
10.1080/03610918.2019.1599017
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
This study presents a double sampling (DS) np chart when the process parameter is estimated. The DS np chart is evaluated in terms of the average of the average run length and the standard deviation of the average run length. The results show that a large number of Phase-I samples is required for designing the DS np chart. Since it is unrealistic in practice to obtain a large amount of Phase-I data, a combination of new design parameters for the DS np chart with estimated process parameter is computed by taking the number of Phase-I samples into consideration.
引用
收藏
页码:2232 / 2250
页数:19
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