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Hammerstein Toolbox

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30 Mar 2011 (Updated )

Rapid estimation of the structural elements composing a cascade of Hammerstein models.

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Description

In a number of vibration applications, systems under study are slightly non-linear. Cascade of Hammerstein models conveniently allows one to describe such systems.

The Hammerstein Toolbox provides a simple method based on a phase property of exponential sine sweeps
to estimate the structural elements (Kernels) of such a model from only one measured response of the system.

[1] M. RĂ©billat, R. Hennequin, E. Corteel, B.F.G. Katz, "Identification of cascade of Hammerstein models for the description of non-linearities in vibrating devices", Journal of Sound and Vibration, Volume 330, Issue
5, Pages 1018-1038, February 2011.

[2] A. Novak, L. Simon, F. Kadlec, P. Lotton, "Nonlinear system identification using exponential swept-sine signal", IEEE Transactions on Instrumentation and Measurement, Volume 59, Issue 8, Pages 2220-2229, August 2010.

MATLAB release MATLAB 7.8 (R2009a)
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19 Jun 2012 Ren  
Updates
31 Mar 2011

No other Matlab products required.

01 Apr 2011

License update.

06 Feb 2012

Modifications done by A. Novak.

08 Feb 2012

Licence Update.

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