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Theoretical considerations on a 2D compliant tensegrity joint in context of a biomedical application

  • In this paper, a two-dimensional compliant tensegrity joint was investigated for potential biomedical applications such as orthotics or exoskeletons. The structure consists of two compressed members connected by five compliant tensioned members. The concept is based on the tensegrity principle, which allows the realization of dynamic orthoses without conventional hinge joints. Another advantage is the adaptability to the individual needs of the patient through a suitable design of the structure and the careful selection of the characteristics of the elements. Using geometric nonlinear analysis, the mechanical behavior of the structure was investigated, focusing on mechanical compliance. The main objective was to determine the influence of the initial length and stiffness of the tensioned members and the influence of the magnitude of external forces on the overall stiffness of the movable member of the structure. The results highlight the significant impact of member parameters on the structure's stiffness and movability under varying load magnitudes. The research laid the foundation for future development of dynamic orthoses based on this structure.

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Metadaten
Author:Leon Schaeffer, David Herrmann, Valter BöhmGND
DOI:https://doi.org/10.22032/dbt.58879
Parent Title (English):Engineering for a changing world : 60th ISC, Ilmenau Scientific Colloquium, Technische Universität Ilmenau, September 4-8, 2023
Publisher:Technische Universität Ilmenau
Place of publication:Ilmenau
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2023
Release Date:2023/11/16
First Page:1
Last Page:15
Institutes:Fakultät Maschinenbau
Fakultät Maschinenbau / Labor Finite-Elemente-Methode (FEM)
Begutachtungsstatus:peer-reviewed
research focus:Lebenswissenschaften und Ethik
Licence (German):Creative Commons - CC BY-SA - Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International