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Assessment of Nonlinear System Identification Methods using the SmallSat Spacecraft Structure

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Advanced Aerospace Applications, Volume 1

Abstract

In this paper, several techniques for nonlinear system identification are applied to a real-world structure, the SmallSat spacecraft structure developed by EADS-Astrium. This composite structure comprises two vibration isolation systems, one of which possesses mechanical stops. The loading case considered in the present study is a random (local) excitation. A careful progression through the different steps of the system identification process, namely detection, characterization and parameter estimation, is carried out. Different methods are applied to data resulting from numerical experiments, without having access to the finite element model which generated these data.

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Author information

Authors and Affiliations

  1. Space Structures and Systems Laboratory (S3L), Structural Dynamics Research Group Department of Aerospace and Mechanical Engineering, University of Lige, Liège, Belgium

    G. Kerschen

  2. Astrium Satellites, Toulouse, France

    L. Soula & J. B. Vergniaud

  3. European Space Agency (ESTEC), Noordwijk, The Netherlands

    A. Newerla

Authors
  1. G. Kerschen
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  2. L. Soula
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  3. J. B. Vergniaud
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  4. A. Newerla
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Editor information

Editors and Affiliations

  1. Society for Experimental Mechanics, School Street 7, BETHEL, 06801-1405, Connecticut, USA

    Tom Proulx

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© 2011 Springer Science+Business Media, LLC

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Kerschen, G., Soula, L., Vergniaud, J.B., Newerla, A. (2011). Assessment of Nonlinear System Identification Methods using the SmallSat Spacecraft Structure. In: Proulx, T. (eds) Advanced Aerospace Applications, Volume 1. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9302-1_18

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  • DOI: https://doi.org/10.1007/978-1-4419-9302-1_18

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-9301-4

  • Online ISBN: 978-1-4419-9302-1

  • eBook Packages: EngineeringEngineering (R0)

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