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Control charts, used in many areas, are important for providing information about the status of the product control. Control charts allow us observation of abnormal conditions about a product and/or a process. These situations usually need to be interpreted by an expert. At this point, fuzzy numbers can be beneficial in reducing the differences between experts’ opinions and information loss. This...
Fuzzy attribute control charts, where data are classified into conforming/nonconforming product units, are used to monitor fuzzy fractions of nonconforming units for variable sample sizes and the fuzzy number of nonconforming units for constant sample sizes. Data defined as quality characteristics can be imprecise due to the subjective decisions of the quality control operator. Type-2 fuzzy set theory...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.