Average run-length;
average sample number;
control chart;
parameter estimation;
repetitive sampling;
RUN-LENGTH DISTRIBUTION;
S-2 CONTROL CHART;
(X)OVER-BAR CHARTS;
CONTROL LIMITS;
SHEWHART X;
IN-CONTROL;
DESIGN;
D O I:
10.1080/03610926.2021.1952269
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:
The repetitive sampling scheme is utilized in control charts to enhance their detection ability in process shifts. Their performance is usually evaluated under the assumption that the process parameters are known. In this article, we investigate the performance of the (X) over bar and S-2 charts under repetitive sampling when the process parameters are estimated from a preliminary in-control (Phase I) sample. We also present the exact expressions of the average run-length (ARL), standard deviation of run-length (SDRL) and average sample number (ASN) measures. A numerical analysis demonstrates that the effect of parameters estimation is significant when the Phase I sample and the sample size are small.
机构:
Univ Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, PakistanUniv Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, Pakistan
Hyder, Mehvish
Mahmood, Tahir
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机构:
King Fahd Univ Petr & Minerals, Coll Comp & Math, Ind & Syst Engn Dept, Dhahran 31261, Saudi Arabia
King Fahd Univ Petr & Minerals, Interdisciplinary Res Ctr Smart Mobil & Logist, Dhahran 312161, Saudi ArabiaUniv Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, Pakistan
Mahmood, Tahir
Butt, Muhammad Moeen
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Univ Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, PakistanUniv Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, Pakistan
Butt, Muhammad Moeen
Raza, Syed Muhammad Muslim
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Univ Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, PakistanUniv Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, Pakistan
Raza, Syed Muhammad Muslim
Abbas, Nasir
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机构:
King Fahd Univ Petr & Minerals, Dept Math, Coll Comp & Math, Dhahran 31261, Saudi ArabiaUniv Management & Technol, Dr Hasan Murad Sch Management HSM, Dept Econ & Stat, Lahore, Pakistan