GB/T 17989.7-2022
ActiveStatistical method of quality control in production process—Control charts—Part 7: Multivariate control charts
生产过程质量控制统计方法 控制图 第7部分：多元控制图
Application Summary AI generated
GB/T 17989.7-2022 specifies the use of multivariate control charts for monitoring and controlling production processes where multiple correlated quality characteristics must be assessed simultaneously. It is applied in manufacturing industries such as electronics, automotive, and chemical processing to detect shifts in process mean vectors or covariance structures that univariate charts would miss. This standard is particularly relevant for quality engineers implementing statistical process control (SPC) in complex production lines or testing environments requiring real-time multivariate monitoring.
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