Review summarizes digital twin functionalities and challenges in CNC machining, indicating research gaps and solutions.
Digital twin technologies have witnessed widespread development since their conceptualisation. However, there is a lack of consensus about the definition, functionality and challenges of Digital Twins. This paper aims to give an overview of what digital twins are, how they are made, the need for a category system to define digital twins and what the greatest challenges are for developing digital twins for CNC machining. This category system is backed with examples from current research of each category and to show the current work on digital twins. Further research has been conducted into what the greatest challenges are for digital twins covering 1258 papers.
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Walker et al. (2022) studied this question.
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