This paper addresses the application of observer-based control techniques for the adaptive optics system of the LBT telescope. In such a context, attention is focused on the use of Kalman and H∞ filters to estimate the temporal evolution of phase perturbations due to the atmospheric turbulence and the telescope vibrations acting on tip/tilt modes. We shall present preliminary laboratory experiments carried out at the Osservatorio Astrofisico di Arcetri using the Kalman filter.
Observer-based control techniques for the LBT adaptive optics under telescope vibrations / Agapito, Guido; Quirós-Pacheco, Fernando; Tesi, Pietro; Riccardi, Armando; Esposito, Simone. - In: EUROPEAN JOURNAL OF CONTROL. - ISSN 0947-3580. - STAMPA. - 17:(2011), pp. 316-326. [10.3166/ejc.17.316-326]
Observer-based control techniques for the LBT adaptive optics under telescope vibrations
TESI, PIETRO;ESPOSITO, SIMONE
2011
Abstract
This paper addresses the application of observer-based control techniques for the adaptive optics system of the LBT telescope. In such a context, attention is focused on the use of Kalman and H∞ filters to estimate the temporal evolution of phase perturbations due to the atmospheric turbulence and the telescope vibrations acting on tip/tilt modes. We shall present preliminary laboratory experiments carried out at the Osservatorio Astrofisico di Arcetri using the Kalman filter.File | Dimensione | Formato | |
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