Determination of sample size of control chart based on APQ. Issue 4 (May 2021)

• Record Type: Journal Article
• Authors: Zhao, Huizhen; Meng, Lili; Wang, Caihua; Sun, Xiaowei
• Is Part Of: IOP conference series. Volume 769:Issue 4(2021)
• Publication Date: 2021-05
• Subjects: average production yield (APQ) -- SPC control chart -- average run length (ARL) -- sample size; Earth sciences -- Periodicals; Environmental sciences -- Congresses; Environmental sciences -- Periodicals; 550.5
• DOI: 10.1088/1755-1315/769/4/042068
• Languages: English
• ISSNs: 1755-1307

Abstract

Abstract: The SPC control chart is an important quality tool to determine whether there are abnormalities in the production process. When making control charts, the sample size is generally selected based on experience, which has certain limitations. To determine the sample size more accurately, the average run length (ARL) is used to measure the quality characteristics of the control chart, and the relationship between the average run length and the two types of errors is analysed to establish an APQ-based sample size related mathematical model. The model is analysed using Minitab software and Excel to finally determine the appropriate sample size scale for different cases.