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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
EN
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| URI: | http://purl.tuc.gr/dl/dias/E1B28CF7-02BC-4387-A2FA-1A429E523008 | ||
| Year | 2018 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | G. Georgiou, G.A. Foutsitzi and G.E. Stavroulakis, "Nonlinear discrete-time multirate adaptive control of non-linear vibrations of smart beams," J. Sound and Vib., vol. 423, pp. 484-519, Jun. 2018. doi: 10.1016/j.jsv.2017.11.030 https://doi.org/10.1016/j.jsv.2017.11.030 | ||
| Appears in Collections |
The nonlinear adaptive digital control of a smart piezoelectric beam is considered. It is shown that in the case of a sampled-data context, a multirate control strategy provides an appropriate framework in order to achieve vibration regulation, ensuring the stability of the whole control system. Under parametric uncertainties in the model parameters (damping ratios, frequencies, levels of non linearities and cross coupling, control input parameters), the scheme is completed with an adaptation law deduced from hyperstability concepts. This results in the asymptotic satisfaction of the control objectives at the sampling instants. Simulation results are presented.
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