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62.294  Articles
1 of 6.230 pages  |  10  records  |  more records»
Since the run length distribution is generally highly skewed, a significant concern about focusing too much on the average run length (ARL) criterion is that we may miss some crucial information about a control chart’s performance. Thus it is important to... see more

The double sampling (DS) X bar chart, one of the most widely-used charting methods, is superior for detecting small and moderate shifts in the process mean. In a right skewed run length distribution, the median run length (MRL) provides a more credible re... see more

Control charts for monitoring the coefficient of variation (CV) are attracting increasing attention in recent years. These charts are able to monitor processes with an unstable mean and/or standard deviation, but has a stable CV. Existing CV charts are de... see more

Since the run length distribution is generally highly skewed, a significant concern about focusing too much on the average run length (ARL) criterion is that we may miss some crucial information about a control chart’s performance. Thus it is important to... see more

The double sampling (DS) X bar chart, one of the most widely-used charting methods, is superior for detecting small and moderate shifts in the process mean. In a right skewed run length distribution, the median run length (MRL) provides a more credible re... see more

A variable sample size (VSS) synthetic chart to monitor the coefficient of variation  is proposed in this paper to improve the performance of the existing synthetic  chart. A description of how the chart operates, as well as the formulae for var... see more

A variable sample size (VSS) synthetic chart to monitor the coefficient of variation  is proposed in this paper to improve the performance of the existing synthetic  chart. A description of how the chart operates, as well as the formulae for var... see more

In this paper, two new control charts have been proposed, one is shewhart-type and other one is EWMA-type control chart. The proposed control charts are based on the exponential type estimator for mean proposed by Noor-ul-Amin and Hanif (2012). We name th... see more

Researchers in various quality control procedures consider the possibility of measurement error effect on the power of control charts as an important issue. In this paper the effect of measurement errors on the power curve of standardization procedure wil... see more

1 of 6.230 pages  |  10  records  |  more records»