J. Manuf. Mater. Process., Volume 4, Issue 1 (March 2020) – 27 articles
Cover Story (view full-size image): Cyberphysical systems (CPS) relevant to Industry 4.0 need object, process, and phenomenon twins. This study presents a phenomenon twin construction system consisting of input, processing, and output components. The processing component is the most critical one that digitally models, simulates, and validates a given phenomenon. This study uses the surface roughness of a machined surface as an example to show the efficacy of the proposed system. The results show that the modeling approach called semantic modeling is more effective than conventional ones (e.g., Markov-chain-based modeling approach). A validation approach that employs DNA-based computing and possibility distributions is more effective than conventional ones (e.g., arithmetical mean height, Ra). Thus, leading-edge computational intelligence must be used to functionalize the CPS and, as a result, Industry 4.0.View this paper.
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