نتایج جستجو برای: acceptance control chart
تعداد نتایج: 1400446 فیلتر نتایج به سال:
The present study proposed a new modified group chain sampling plan for truncated life test when the lifetime of products follow Kumaraswamy generalized power Weibull (KGPW) distribution. results optimal size, mean ratio true to specified mean, operating characteristic values, minimum angles, acceptance quality level, lower level are obtained against producer’s, consumer’s risk, termination tim...
Control charts are extensively used in manufacturing contexts to monitor production processes. This article illustrates economical design of a variable sample size and control limit Hotelling’s T2 control chart based on a novel cost model when occurrence times of the assignable causes are exponentially distributed. The proposed nonlinear cost model is an extension of Duncan’s (J Am Stat ...
Control charts are the most important tools of statistical process control used to discriminate between assignable and common causes of variation and to improve the quality of a process. To design a control chart, three parameters including sample size, sampling interval, and control limits should be determined. The objectives are hourly expected cost, in-control average run length, power of th...
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