BS ISO 7870-3:2020给出了验收控制图的使用指南,并建立了确定样本大小、行动限制和决策标准的一般程序。只有在以下情况下才应使用验收控制图:a)子组内的变化得到控制,并且有效地估计了变化;b) 已实现高水平的处理能力。当所研究的过程变量为正态分布时,通常使用验收控制图;然而,它可以应用于非正态分布。本文件中提供的示例说明了该技术具有优势的各种情况;
这些示例提供了确定样本量、行动限制和决策标准的详细信息。交叉引用:ISO 3534-1ISO 3534-2ISO 7870-1ISO 7870-2ISO 7870-4购买本文件时提供的所有当前修订版均包含在购买本文件中。
BS ISO 7870-3:2020 gives guidance on the uses of acceptance control charts and establishes general procedures for determining sample sizes, action limits and decision criteria. An acceptance control chart should be used only when:a) the within subgroup variation is in-control and the variation is estimated efficiently;b) a high level of process capability has been achieved.An acceptance control chart is typically used when the process variable under study is normally distributed; however, it can be applied to a non-normal distribution. The examples provided in this document illustrate a variety of circumstances in which this technique has advantages; these examples provide details of the determination of the sample size, the action limits and the decision criteria.Cross References:ISO 3534-1ISO 3534-2ISO 7870-1ISO 7870-2ISO 7870-4All current amendments available at time of purchase are included with the purchase of this document.