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29 August 2022 The MICADO first light imager for the ELT: SCAO LQG control performance with windshake, vibrations, and mirror dynamics
Amal Zidi, Henri-François Raynaud, Caroline Kulcsár, Fabrice Vidal, Eric Gendron, Yann Clénet, Richard Davies
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Proceedings Volume 12185, Adaptive Optics Systems VIII; 121852P (2022) https://doi.org/10.1117/12.2629863
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada
Abstract
MICADO (Multi-AO Imaging Camera for Deep Observations), the ELT first-light imager, will face the impact of windshake and vibrations, especially on tip and tilt modes. Standard integral control fails to reach MICADO-SCAO targeted performance. The presented data-driven predictive tip-tilt controller accounts for the variability of observational conditions and is shown to efficiently manage this windshake and vibration issue. We show how the impact of M4 temporal dynamics can be simulated without increasing the simulation sampling period and we assess performance with these dynamics for both regulators.
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Amal Zidi, Henri-François Raynaud, Caroline Kulcsár, Fabrice Vidal, Eric Gendron, Yann Clénet, and Richard Davies "The MICADO first light imager for the ELT: SCAO LQG control performance with windshake, vibrations, and mirror dynamics", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121852P (29 August 2022); https://doi.org/10.1117/12.2629863
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KEYWORDS
Adaptive optics
Data modeling
Telescopes
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