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Proceedings Paper

Design and analysis of an adaptive vibration isolation system considering large scale parameter variations
Author(s): Soong Oh Han; Kai Wolf; Holger Hanselka; Thilo Bein
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Paper Abstract

The reliability assessment of complex adaptive systems requires the identification of dominant input parameters and the quantitative evaluation of the associated effects on the system performance. This can be achieved using experimental and numerical sensitivity analysis methods. In this paper a simulation based approach is presented, assessing the system performance of an active vibration isolation device with respect to parameter variations, such as temperature, load amplitude, material properties and geometry dimensions of the structural elements. The modeling of the active system is described utilizing the Finite Element Method and a Krylov Subspace based model order reduction scheme. The implemented Morris screening technique and variance based sensitivity analysis are discussed. For the example of an active vibration system the sensitivity analysis strategy is outlined and it is shown that a quantitative assessment of the system performance considering large scale parameter variations is provided.

Paper Details

Date Published: 6 April 2009
PDF: 9 pages
Proc. SPIE 7288, Active and Passive Smart Structures and Integrated Systems 2009, 728829 (6 April 2009); doi: 10.1117/12.815710
Show Author Affiliations
Soong Oh Han, Technische Univ. Darmstadt (Germany)
Kai Wolf, Technische Univ. Darmstadt (Germany)
Holger Hanselka, Technische Univ. Darmstadt (Germany)
Thilo Bein, Fraunhofer Institute for Structural Durability and System Reliability (Germany)

Published in SPIE Proceedings Vol. 7288:
Active and Passive Smart Structures and Integrated Systems 2009
Mehdi Ahmadian; Mehrdad N. Ghasemi-Nejhad, Editor(s)

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