MIMO Modal Parameters Identification in Frequency Domain

Modal Parameters identification in frequency domain using LSCF and LSFD algorithm for MIMO systems using fast implementation

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(3)
7 déc. 2020
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Citation pour cette source

Baptiste Chomette (2026). MIMO Modal Parameters Identification in Frequency Domain (https://fr.mathworks.com/matlabcentral/fileexchange/82380-mimo-modal-parameters-identification-in-frequency-domain), MATLAB Central File Exchange. Extrait(e) le .

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Compatibilité avec les versions de MATLAB

  • Compatible avec toutes les versions

Plateformes compatibles

  • Windows
  • macOS
  • Linux
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Version Publié le Notes de version
1.0.5

New implementation in
- lscf: fast implementation of the normal equations based on fft to improve the efficiency of the algorithm
- lsfd: identification of modal residues using poles-residues form
- plotstabchart: plot the stabilization chart
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1.0.4

improvement of lsfd function using scaled frequency to avoid poor conditioning
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1.0.3

Corrections in lsfd and new file test based on a 4 dofs system with proportional damping.
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1.0.2

corrections in lsfd
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1.0.1

Correction of the lsfd function line 87: rntotCls = (Cls'*Cls) \ (Cls'*frf(:, ifrf)) ;
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1.0.0

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