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Article Dans Une Revue Mechanical Systems and Signal Processing Année : 2016

Bayesian source identification using local priors

Résumé

This paper is concerned with the development of a general methodology for identifying mechanical sources from prior local information on both their nature and location over the studied structure. For this purpose, the formulation of the identification problem is derived from the Bayesian statistics, that provides a flexible way to account for local a priori on the distribution of sources. Practically, the resulting optimization problem can be seen as a group generalized Tikhonov regularization, that is solved in an iterative manner. The main features of the proposed identification method are illustrated with both numerical and experimental examples. In particular, it is shown that properly exploiting the local spatial information drastically improves the quality of the source identification.
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Dates et versions

hal-02068262 , version 1 (14-03-2019)

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Mathieu Aucejo, Olivier de Smet. Bayesian source identification using local priors. Mechanical Systems and Signal Processing, 2016, 66-67, pp.120-136. ⟨10.1016/j.ymssp.2015.05.004⟩. ⟨hal-02068262⟩
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