Pohl, Martin and Monner, Hans Peter (2011) NUMERICAL AND EXPERIMENTAL INVESTIGATION OF AN ADAPTIVE SOCKET SYSTEM FOR LEG PROSTHETIC. SMASIS 2011, 2011-09-19 - 2011-09-21, Scottsdale, USA.
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Abstract
When amputations of limbs are necessary, prostheses are used to replace the lost functionality. Today, they are mainly made of high-tech materials as carbon fiber reinforced plastics (CFRP), titanium and aluminum. An important part of the prosthesis is the socket, connecting the patients stump with the prosthesis itself. It is in most cases made of CFRP and, by this, a more or less rigid body. This is in contradiction to the fact, that muscles and tissues within the stump are still moving while the patient is walking. To overcome this limitation, an adaptive socket system for femoral amputation is presented in this paper, which allows active deformations by piezoelectric patch ac-tuators integrated to the structure. For design, a finite element model is created. Socket prototypes are built with optimized fabric ply setup and integrated actuators. Finally, the active deflection is tested in a laboratory set up, and a passive socket with optimized ply setup is tested with a patient.
Item URL in elib: | https://elib.dlr.de/72098/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Speech, Paper) | ||||||||||||
Title: | NUMERICAL AND EXPERIMENTAL INVESTIGATION OF AN ADAPTIVE SOCKET SYSTEM FOR LEG PROSTHETIC | ||||||||||||
Authors: |
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Date: | September 2011 | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Keywords: | prosthetis, morphing, piezo, healthcare, active structures | ||||||||||||
Event Title: | SMASIS 2011 | ||||||||||||
Event Location: | Scottsdale, USA | ||||||||||||
Event Type: | international Conference | ||||||||||||
Event Start Date: | 19 September 2011 | ||||||||||||
Event End Date: | 21 September 2011 | ||||||||||||
HGF - Research field: | other | ||||||||||||
HGF - Program: | other | ||||||||||||
HGF - Program Themes: | other | ||||||||||||
DLR - Research area: | no assignment | ||||||||||||
DLR - Program: | no assignment | ||||||||||||
DLR - Research theme (Project): | no assignment | ||||||||||||
Location: | Braunschweig | ||||||||||||
Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Adaptronics | ||||||||||||
Deposited By: | Böhringer-Thelen, Isolde | ||||||||||||
Deposited On: | 29 Nov 2011 13:35 | ||||||||||||
Last Modified: | 24 Apr 2024 19:37 |
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