GB/T 40681.2-2023
ActiveStatistical methods in monitoring process capability and performance—Part 2: Process capability and performance of time-dependent process models
生产过程能力和性能监测统计方法 第2部分：时间相依过程模型的过程能力与性能
Application Summary AI generated
This standard specifies statistical methods for assessing process capability and performance when data exhibits time-dependent behavior, such as autocorrelation or trends. It is applied in manufacturing and industrial settings where processes like chemical reactions, continuous production lines, or batch operations produce non-independent observations. The standard guides engineers in calculating capability indices (e.g., Cp, Cpk) and performance metrics for time-series data, ensuring accurate evaluation of process stability and specification compliance.
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