Digital twin-driven dynamic monitoring system of the upper limb force

Yanbin Guo, Yingbin Liu, Wenxuan Sun, Shuai Yu, Xiao-Jian Han, Xin-Hui Qu and Guoping Wang

Computer Methods in Biomechanics and Biomedical Engineering, 2024, vol. 27, issue 12, 1691-1703

Abstract: Digital twin represents the core technology to realize the dynamic monitoring of complex industrial systems. However, the human body, as the most complex system in the physical world, digital twin is rarely applied in it. In this study, we successfully demonstrated a digital twin in the human biomedical application by proposing a dynamic monitoring system of the upper limb force. In this system, the real upper limb drives the motion of the virtual one in real-time and dynamically updates the force. Meanwhile, the virtual upper limb feeds back the monitoring-results of the force to the controller of the real upper limb via immersive virtual reality interaction. Experimental results of the typical motions of the upper limb revealed that the proposed system functioned interactively in real-time in a non-invasive manner, while ensuring the accurate solving of the muscle force. In conclusion, our digital twin-driven system is of great importance for rehabilitation medicine, biomechanical scientific research and physical training, promoting the application of the digital twin in the human biomedical field.

Date: 2024
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DOI: 10.1080/10255842.2023.2254881

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