Development of Customized Insole Design Framework Based on Digital Twin

Variable insoles can freely adjust the position of the insole, so they have been actively developed for posture and gait correction. This study proposed a customized insole design framework for individual foot shapes by constructing a digital twin model between a finite element analysis (FEA)-based...

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Bibliographic Details
Published in:International journal of precision engineering and manufacturing 2024-04, Vol.25 (4), p.785-798
Main Authors: Kim, Jungmi, Choi, Juyoung, Kang, Young-Jin, Noh, Yoojeong
Format: Article
Language:English
Subjects:
Customization
Digital twins
Engineering
Finite element method
Industrial and Production Engineering
Insoles
Material properties
Materials Science
Regular Paper
Virtual reality
Virtual sensors
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Summary:Variable insoles can freely adjust the position of the insole, so they have been actively developed for posture and gait correction. This study proposed a customized insole design framework for individual foot shapes by constructing a digital twin model between a finite element analysis (FEA)-based virtual model and an actual physical model. Foot pressure data from the physical model were used as a load condition for the FEA model, and the insole material properties were tuned to maximize the similarity between the FEA model and the real model using virtual sensors. The obtained digital twin model corrected the abnormal arch index of the cavus foot to normal through position optimization of the partial insole, and subsequently balanced the front and rear of the foot.
ISSN:2234-7593
2005-4602
DOI:10.1007/s12541-023-00952-y