| Issue |
MATEC Web Conf.
Volume 241, 2018
International Conference on Structural Nonlinear Dynamics and Diagnosis (CSNDD 2018)
|
|
|---|---|---|
| Article Number | 01014 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/201824101014 | |
| Published online | 03 December 2018 | |
A nonlinear model of the hand-arm system and parameters identification using vibration transmissibility
Laboratory of Renewable Energy and Dynamics of Systems, Faculty of Sciences Aїn Chock, University Hassan II-Casablanca, Casablanca, Morocco
a e-mail: f.lakrad@fsac.ac.ma
In the present paper a lumped single degree-of-freedom nonlinear model is used to study biodynamic responses of the hand arm system (HAS) under harmonic vibrations. Then, the harmonic balance method is implemented to derive the vibration transmissibility. Furthermore,Padé approximations are used in the identification process of biodynamic characteristics of the HAS model. This process is based on minimizing the distance between the theoretical and the experimentally measured transmissibilities.
The proposed identification workflow is applied to vibrations at the wrist in two cases: 1) the transmissibility versus the grip force for fixed excitation frequencies, and 2) the transmissibility versus the excitation frequency for fixed grip force.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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