Exploratory design of a compliant mechanism for a dynamic hand orthosis: Lessons learned

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Abstract

This study does not describe a success-story. Instead, it describes an exploratory process and the lessons learned while designing a compliant mechanism for a dynamic hand orthosis. Tools from engineering optimization and rapid prototyping techniques were used, with the goal to design a mechanism to compensate for hypertonic or contracted finger muscles. Results show that the mechanism did not reach its design constraints, mostly because it could not provide for the necessary stiffness and compliance at the same time. Hence, the presented approach is more suited for design problems with either lower forces or less displacement. It was concluded that physiological stiffness models are an important part when modeling hand orthoses. Moreover, further research on compliant mechanisms in dynamic hand orthoses should focus on the feasibility of implementing more complex three-dimensional shapes, i.e., compliant shell mechanisms.
Original languageEnglish
Title of host publicationProceedings of the 2017 International Conference on Rehabilitation Robotics (ICORR)
EditorsF. Amirabdollahian, E. Burdet, L. Masio
Place of PublicationPiscataway, NJ, USA
PublisherIEEE
Pages603-608
ISBN (Print)978-1-5386-2296-4
DOIs
Publication statusPublished - 2017
Event2017 IEEE 15th International Conference on Rehabilitation Robotics (ICORR 2017) - London, United Kingdom
Duration: 17 Jul 201720 Jul 2017
Conference number: 15

Conference

Conference2017 IEEE 15th International Conference on Rehabilitation Robotics (ICORR 2017)
Abbreviated titleICORR 2017
CountryUnited Kingdom
CityLondon
Period17/07/1720/07/17

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