Proof of concept: Model based bionic muscle with hyperbolic force-velocity relation

Authors:
D. F. B. Haeufle;M. Günther;R. Blickhan;S. Schmitt
Affiliations:
Universität Stuttgart, Institut für Sport-und Bewegungswissenschaft, Allmandring, Stuttgart, Germany and Universität Stuttgart, Stuttgart Research Centre for Simulation Technology S ...;Universität Stuttgart, Institut für Sport-und Bewegungswissenschaft, Allmandring, Stuttgart, Germany and Friedrich-Schiller-Universität, Institut für Sportwissenschaft, Lehrstu ...;Friedrich-Schiller-Universität, Institut für Sportwissenschaft, Lehrstuhl für Bewegungswissenschaft, Seidelstrasse, Jena, Germany;Universität Stuttgart, Institut für Sport-und Bewegungswissenschaft, Allmandring, Stuttgart, Germany and Universität Stuttgart, Stuttgart Research Centre for Simulation Technology S ...
Venue:
Applied Bionics and Biomechanics
Year:
2012

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Abstract

Recently, the hyperbolic Hill-type force-velocity relation was derived from basic physical components. It was shown that a contractile element CE consisting of a mechanical energy source active element AE, a parallel damper element PDE, and a serial element SE exhibits operating points with hyperbolic force-velocity dependency. In this paper, a technical proof of this concept was presented. AE and PDE were implemented as electric motors, SE as a mechanical spring. The force-velocity relation of this artificial CE was determined in quick release experiments. The CE exhibited hyperbolic force-velocity dependency. This proof of concept can be seen as a well-founded starting point for the development of Hill-type artificial muscles.