6533b82efe1ef96bd12925a3
RESEARCH PRODUCT
An Effective Double Sampling Scheme for thecControl Chart
Roberta InghilleriGianfranco PassannantiToni Luposubject
c-chartMathematical optimizationChartComputer scienceControl chartFalse alarmMinificationManagement Science and Operations ResearchMacroSafety Risk Reliability and QualityStatistical process controlShewhart individuals control chartReliability engineeringdescription
In the present paper is developed a statistical process control inspection procedure based on a new simple-to-implement and effective double sampling scheme for the c control chart, aimed at the minimization of the number of inspected observation units and warranting fixed levels for the type I and II error risks. In particular, the formulations of the false alarm risk α, the power P of the chart, and the expected number of inspected observation units for the developed inspection procedure are given, whereas a macro of Microsoft Excel is adopted to solve the tackled problem. In order to illustrate the application of the developed approach and to investigate on the influence of several operating parameters, numerical examples are carried out and the related considerations are given. Finally, by comparing the performance of the developed inspection procedure with that of the related classic c chart scheme, meaningful reduction of the number of the inspected observation units can be achieved by adopting the proposed approach. Copyright © 2013 John Wiley & Sons, Ltd.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2013-10-24 | Quality and Reliability Engineering International |