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Design for six sigma and process capability using penthagorean fuzzy sets
Design for six sigma (DFSS) is a structured approach for designing new products, processes and/or services or redesigning the existing ones. It builds quality into the product during the development and ensures the customer ...
Defects control charts using interval-valued penthagorean fuzzy sets
Defects control charts are one of the attributes control charts which are constructed based on the number of defects on a product or in an inspection unit. Since the term ‘defect’ can be vague due to the subjective decisions ...
Delivery drone design using spherical fuzzy quality function deployment
Quality Function Deployment (QFD) is a well-known structured approach meeting customer needs through technical applications. Customer requirements (CRs) for a delivery drone design are first determined and they are tried ...