GB/T 17989.6-2022

Active

Statistical method of quality control in production process—Control charts—Part 6: EWMA control charts

生产过程质量控制统计方法 控制图 第6部分：指数加权移动平均控制图

Standard Type
GBT
ICS
03.120.30
CCS
A41
Status
Active
Issue Date
2022-03-09
Implementation
2022-10-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the use of Exponentially Weighted Moving Average (EWMA) control charts for detecting small shifts in a production process mean or variability. It is applied in manufacturing and industrial quality control settings where early detection of subtle process changes is critical, such as in semiconductor fabrication, chemical processing, or continuous production lines. The EWMA chart is particularly useful for monitoring autocorrelated data or processes where traditional Shewhart charts are less sensitive to minor deviations.

Related Standards

GB/T 2828.1-2012 Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB/T 19011-2013 Guidelines for auditing management systems GB/T 19000-2008/ISO 9000:2005 Quality management systems - Fundamentals and vocabulary GB/T 19004-2011 Managing for the sustained success of an organization — Quality management approach GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 19022-2003 Measurement management systems--Requirements for measurement processes and measuring equipment GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results--Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results--Part 1:General principles and definitions
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.