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Note on 'Design of double- and triple-sampling X-bar control charts using genetic algorithms'

机译:关于“使用遗传算法设计两次和三次采样X形控制图”的注释

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摘要

He et al. formulated the designs of double-sampling (DS) X-bar control charts as optimization problems and solved these problems with a genetic algorithm. Based on the results in solving the DS chart design problems, triple-sampling (TS) X-bar control charts were developed. The efficiency of the TS charts was compared with that of the DS charts. They concluded that the TS charts are more efficient in terms of minimizing the average sample size. We explain that, since they only considered the average sample size when the process is in control, their conclusion is questionable. In fact, the question of which control chart (i.e. the standard Shewart X-bar control chart, DS chart or TS chart) is more efficient depends on both the probability of the process shifting from an in-control to an out-of-control state and the time the control chart will need to detect such a shift.
机译:他等。将双采样(X)X线控制图的设计制定为优化问题,并使用遗传算法解决了这些问题。基于解决DS图表设计问题的结果,开发了三次采样(TS)X-bar控制图。 TS图表的效率与DS图表的效率进行了比较。他们得出结论,就最小化平均样本量而言,TS图表效率更高。我们解释说,由于他们只在控制过程时才考虑平均样本量,因此他们的结论值得怀疑。实际上,哪个控制图(即标准的Shewart X-bar控制图,DS图或TS图)更有效的问题取决于过程从控制中转移到控制外的可能性。状态和时间,控制图将需要检测到这种变化。

著录项

  • 来源
    《International Journal of Production Research》 |2004年第5期|p.1043-1047|共5页
  • 作者

    LIE-FERN HSU;

  • 作者单位

    Department of Management, Baruch College, The City University of New York, New York NY10010, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 管理学;
  • 关键词

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