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16 July 2008Optimal control techniques for the adaptive optics system of the LBT
In this paper we will discuss the application of different optimal control techniques for the adaptive optics
system of the LBT telescope which comprises a pyramid wavefront sensor and an adaptive secondary mirror.
We have studied the application of both the Kalman and the H∞ filter to estimate the temporal evolution of
the phase perturbations due to the atmospheric turbulence and the telescope vibrations. We have evaluated the
performance of these control techniques with numerical simulations in preparation of the laboratory tests that
will be carried out in the Arcetri laboratories.
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G. Agapito, F. Quiros-Pacheco, P. Tesi, S. Esposito, M. Xompero, "Optimal control techniques for the adaptive optics system of the LBT," Proc. SPIE 7015, Adaptive Optics Systems, 70153G (16 July 2008); https://doi.org/10.1117/12.790398