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Erschienen in:
2019 | OriginalPaper | Buchkapitel
A New Approach to Design Glove-Like Wearable Hand Exoskeletons for Rehabilitation
verfasst von : Luca Luzi, Nicola Sancisi, Vincenzo Parenti Castelli
Erschienen in: ROMANSY 22 – Robot Design, Dynamics and Control
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Abstract
The synthesis of hand exoskeletons for rehabilitation is a challenging theoretical and technical task. A huge number of solutions have been proposed in the literature. Most of them are based on the concept to consider the phalanges of the finger as fixed to some links of the exoskeleton mechanism. This approach makes the exoskeleton synthesis a difficult problem that compels the designer to devise approximate technical solutions which, frequently, reduce the efficiency of the rehabilitation system and are rather bulky.
This paper proposes a different approach. Namely, the phalanges are not fixed to some links of the exoskeleton, but they can have a relative motion, with one or two degrees of freedom when planar systems are considered. An example is presented to show the potentiality of this approach, which makes it possible: (i) to design glove-like exoskeletons that only approximate the human finger motion; (ii) to leave the fingers have their natural motion; (iii) to adapt a wider range of patient hand sizes to a given hand exoskeleton.