Upgrading SPHERE with the second stage AO system SAXO+: frequency-based data-driven controller for adaptive optics

Isaac Dinis; François Wildi; Damien Ségransan; Vaibhav Gupta; Alireza Karimi; Michel Tallon; Isabelle Bosc; Maud Langlois; Magali Loupias; Clémentine Bechet; Eric Thiébaut; Charles Goulas; Florian Ferreira; Anthony Boccaletti; Fabrice Vidal; Caroline Kulcsar; Henri-François Raynaud; Nicolas Galland; Markus Kasper; Julien Milli; David Mouillet; Laura Schreiber; Emiliano Diolaiti; Raffaele Gratton; Gael Chauvin

doi:10.1117/12.3020179

27 August 2024 Upgrading SPHERE with the second stage AO system SAXO+: frequency-based data-driven controller for adaptive optics

Isaac Dinis, François Wildi, Damien Ségransan, Vaibhav Gupta, Alireza Karimi, Michel Tallon, Isabelle Bosc, Maud Langlois, Magali Loupias, Clémentine Bechet, Eric Thiébaut, Charles Goulas, Florian Ferreira, Anthony Boccaletti, Fabrice Vidal, Caroline Kulcsar, Henri-François Raynaud, Nicolas Galland, Markus Kasper, Julien Milli, David Mouillet, Laura Schreiber, Emiliano Diolaiti, Raffaele Gratton, Gael Chauvin

Author Affiliations +

Proceedings Volume 13097, Adaptive Optics Systems IX; 130977Z (2024) https://doi.org/10.1117/12.3020179
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

This study introduces a novel frequency-based data-driven controller for adaptive optics, using power spectral density for optimization while ensuring stability criteria. It addresses disturbance rejection, command amplitude constraints and system transfer functions through convex optimization to obtain an optimal control in an infinite input response filter form. Evaluated within the SAXO+ project, it demonstrates efficacy under diverse atmospheric conditions and operational scenarios. The proposed controller is tested in both standard and disentangled adaptive optics schemes, showcasing its adaptability and performance. Experimental validation is conducted using the COMPASS simulation tool, affirming the controller’s promise for enhancing adaptive optics systems in real-world applications.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Isaac Dinis, François Wildi, Damien Ségransan, Vaibhav Gupta, Alireza Karimi, Michel Tallon, Isabelle Bosc, Maud Langlois, Magali Loupias, Clémentine Bechet, Eric Thiébaut, Charles Goulas, Florian Ferreira, Anthony Boccaletti, Fabrice Vidal, Caroline Kulcsar, Henri-François Raynaud, Nicolas Galland, Markus Kasper, Julien Milli, David Mouillet, Laura Schreiber, Emiliano Diolaiti, Raffaele Gratton, and Gael Chauvin "Upgrading SPHERE with the second stage AO system SAXO+: frequency-based data-driven controller for adaptive optics", Proc. SPIE 13097, Adaptive Optics Systems IX, 130977Z (27 August 2024); https://doi.org/10.1117/12.3020179

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