Experimental identification of a nonlinear space structure

Noël, Jean-Philippe; Renson, Ludovic; Kerschen, Gaëtan; Newerla, Alfred

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Experimental identification of a nonlinear space structure

Noël, Jean-Philippe; Renson, Ludovic; Kerschen, Gaëtan et al.

2012 • In Proceedings of the 12th European Conference on Spacecraft Structures, Materials and Environmental Testing

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https://hdl.handle.net/2268/115287

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Keywords :

Nonlinear system identification; Space structure; Experimental data

Abstract :

[en] The present paper addresses the experimental identification of a nonlinear space structure, the SmallSat spacecraft developed by EADS-Astrium. The nonlinear component comprises an inertia wheel mounted on a support, the motion of which is constrained by eight elastomer plots and mechanical stops. Robust techniques are applied to measured data to detect, characterise and quantify nonlinear behaviour.

Disciplines :

Aerospace & aeronautics engineering

Author, co-author :

Noël, Jean-Philippe ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux

Renson, Ludovic ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux

Kerschen, Gaëtan ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux

Newerla, Alfred; European Space Agency (ESTEC) > Structures Section

Language :

English

Title :

Experimental identification of a nonlinear space structure

Publication date :

March 2012

Event name :

12th European Conference on Spacecraft Structures, Materials and Environmental Testing

Event place :

Noordwijk, Netherlands

Event date :

du 20 mars 2012 au 23 mars 2012

Audience :

International

Main work title :

Proceedings of the 12th European Conference on Spacecraft Structures, Materials and Environmental Testing

Available on ORBi :

since 23 March 2012

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Bibliography

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V. Lenaerts, G. Kerschen, J. C. Golinval, M. Ruzzene, and E. Giorcelli. Validation of two nonlinear system identification techniques using an experimental testbed. Shock and Vibration, 2004.
G. Kerschen, K. Worden, Alexander F. Vakakis, and J. C. Golinval. Past, present and future of nonlinear system identification in structural dynamics. Mechanical Systems and Signal Processing, 2006.
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J. P. Noel, G. Kerschen, and A. Newerla. Application of the restoring force surface method to a real-life spacecraft structure. In International Modal Analysis Conference, Jacksonville, FL, 2012.