Abstract
A smart home is a combination of smart objects that can ease to conduct information between objects and residents to connect the smart home to the outside Internet world. One of the critical strides in this smart home context is in the kitchens with white appliances such as washing machine, refrigerator, and small devices, etc. This study focuses on the smart fridge design with end-user preferences. This design has been approached as a multi-criteria decision-making (MCDM) process and Quality Function Deployment (QFD), which is a powerful tool for product design, has been chosen as a technique to prioritize the engineering requirements for a smart fridge. QFD hasbeen proposed with its interval-valued intuitionistic fuzzy (IVIF) extension to provide a flexible environment to decision makers (DMs). IVIF extension of QFD allows reflecting the hesitancy into the assessment and the whole calculations. Hesitancy is a significant part of human nature, and it gives more robust and consistent results when it is includedin the decision-making process. Also, IVIF sets empower the QFD tool while dealing with linguistic information. Moreover, a case study is applied to examine the suggested methodology, and the results are presented for this case study.
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