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Online input and state estimation in structural dynamics
Maes, K.; De Roeck, G.; Iliopoulos, A.; Weijtjens, W.; Devriendt, C.; Lombaert, G. (2016). Online input and state estimation in structural dynamics, in: Di Miao, D. et al. (Ed.) Special topics in structural dynamics, volume 6. Proceedings of the 34th IMAC, a conference and exposition on structural dynamics 2016 . pp. 1-10. https://hdl.handle.net/10.1007/978-3-319-29910-5_1
In: Di Miao, D. et al. (Ed.) (2016). Special topics in structural dynamics, volume 6. Proceedings of the 34th IMAC, a conference and exposition on structural dynamics 2016 . Springer International Publishing: [s.l.]. ISBN 978-3-319-29909-9. viii, 289 pp. https://hdl.handle.net/10.1007/978-3-319-29910-5, meer

Beschikbaar in  Auteurs 
Documenttype: Congresbijdrage

Author keywords
    Joint input-state estimation; Force identification; Response estimation;System identification; Application

Auteurs  Top 
  • Weijtjens, W., meer
  • Devriendt, C., meer
  • Lombaert, G., meer

Abstract
    This paper presents two applications of joint input-state estimation in structural dynamics. The considered joint input-state estimation algorithm relies upon a limited set of response measurements and a system model, and can be applied for online input and state estimation on structures. In the first case, the algorithm is applied for force identification on a footbridge. The second case shows an application where strains in the tower of an offshore monopile wind turbine are estimated. In both cases, real measured data obtained from in situ measurements are used for the estimation. The dynamic system model, used in the estimation, is for both case studies obtained from a finite element model of the structure. The quality of the force and response estimates is assessed by comparison with the corresponding measured quantities.

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