27 July 2016 Improving E-ELT M1 prototype hard position actuators with active damping
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Abstract
In this paper we will briefly revisit the optical vibration measurement system (OVMS) at the Large Binocular Telescope (LBT) and how these values are used for disturbance compensation and particularly for the LBT Interferometer (LBTI) and the LBT Interferometric Camera for Near-Infrared and Visible Adaptive Interferometry for Astronomy (LINC-NIRVANA). We present the now centralized software architecture, called OVMS+, on which our approach is based and illustrate several challenges faced during the implementation phase. Finally, we will present measurement results from LBTI proving the effectiveness of the approach and the ability to compensate for a large fraction of the telescope induced vibrations.
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B. Sedghi, B. Sedghi, M. Dimmler, M. Dimmler, M. Müller, M. Müller, N. Kornweibel, N. Kornweibel, } "Improving E-ELT M1 prototype hard position actuators with active damping", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99062W (27 July 2016); doi: 10.1117/12.2232637; https://doi.org/10.1117/12.2232637
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