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Fiber optical multifunctional human-machine interface for motion capture, temperature, and contact force monitoring

: Jiang, Y.; Reimer, V.; Schossig, T.; Angelmahr, M.; Schade, W.


Optics and Lasers in Engineering 128 (2020), Art. 106018
ISSN: 0143-8166
Journal Article
Fraunhofer HHI ()

A compact and wireless multifunctional human-machine interface (HMI) based on fiber Bragg grating (FBG) technology is presented. The interface is embedded into a glove and enables the motion capture of a human hand with finger tracking and hand wrist rotation monitoring, as well as temperature and contact force detection. For the realization of a complex hand tracking, a novel fiber optical rotation sensor based on three-dimensional shape sensing with Edge-FBG is presented. The data are evaluated within a micro-interrogator and wireless transferred to a smart glass in real-time. The HMI addressed different applications in motion capture for virtual reality (VR) or augmented reality (AR).