An Adjustable Impedance Element – System Requirements and Design Approach

DFX 2015: Proceedings of the 26th Symposium Design for X, 7-8 October 2015, Herrsching, Germany

Year: 2015
Editor: Dieter Krause, Kristin Paetzold, Sandro Wartzack
Author: Bruchmüller, Tim; Mangold, Sebastian; Matthiesen, Sven; Oltmann, Jan; Rasmussen, Olaf; Krause, Dieter; Stücheli, Marius; Meboldt, Mirko
Series: DfX
Institution: Karlsruher Institut für Technologie (KIT)
Section: Design for X
Page(s): 133-144
ISBN: 978-3-941492-93-6


Dynamic test are mostly performed in specific test setups with adjustable
boundary conditions and relevant aspects of the product environment. The
dynamic characteristics of the environment and boundary condition are represented
by dynamic connection elements. The Impedance, frequency depending
ratio of reaction force and deflection speed, can be used to describe the
dynamic properties of dynamic connection elements. In the first part of this
article two demonstrator systems are introduced to explain the current challenges
in dynamic testing and specify the need for a machine element with
adjustable impedance. In the second part of this article the design approach
and performance of the current adjustable impedance element is introduced.
In the last part the planned collaboration between three research facilities is
introduced to tackle the current challenges in dynamic testing by applying the
adjustable impedance element to existing test setups.

Keywords: Adjustable Impedance, Lightweight Structure, Hand-Arm-Modell

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