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Proceedings Paper

Design and test of a tip-tilt driver for an image stabilization system
Author(s): Albert Casas; José María Gómez; David Roma; Manuel Carmona; Manel López; José Bosch; Atilà Herms; Josep Sabater; Reiner Volkmer; Frank Heidecke; Thorsten Maue; Eiji Nakai; Jörg Baumgartner; Wolfgang Schmidt
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Paper Abstract

The tip/tilt driver is part of the Polarimetric and Helioseismic Imager (PHI) instrument for the ESA Solar Orbiter (SO), which is scheduled to launch in 2017. PPHI captures polarimetric images from the Sun to better understand our nearest star, the Sun. The paper covers an analog amplifier design to drive capacitive solid state actuator such ass piezoelectric actuator. Due to their static and continuous operation, the actuator needs to be supplied by high-quality, low-frequency, high-voltage sinusoidal signals. The described circuit is an efficiency-improved Class-AB amplifier capable of recovering up to 60% of the charge stored in the actuator. The results obtained after the qualification model test demonstrate the feasibility of the circuit with the accomplishment of the requirements fixed by the scientific team.

Paper Details

Date Published: 8 August 2016
PDF: 11 pages
Proc. SPIE 9911, Modeling, Systems Engineering, and Project Management for Astronomy VI, 991123 (8 August 2016); doi: 10.1117/12.2232469
Show Author Affiliations
Albert Casas, Univ. de Barcelona (Spain)
José María Gómez, Univ. de Barcelona (Spain)
David Roma, Univ. de Barcelona (Spain)
Manuel Carmona, Univ. de Barcelona (Spain)
Manel López, Univ. de Barcelona (Spain)
José Bosch, Univ. de Barcelona (Spain)
Atilà Herms, Univ. de Barcelona (Spain)
Josep Sabater, Univ. de Barcelona (Spain)
Reiner Volkmer, Kiepenheuer-Institut für Sonnenphysik (Germany)
Frank Heidecke, Kiepenheuer-Institut für Sonnenphysik (Germany)
Thorsten Maue, Kiepenheuer-Institut für Sonnenphysik (Germany)
Eiji Nakai, Kiepenheuer-Institut für Sonnenphysik (Germany)
Jörg Baumgartner, Kiepenheuer-Institut für Sonnenphysik (Germany)
Wolfgang Schmidt, Kiepenheuer-Institut für Sonnenphysik (Germany)

Published in SPIE Proceedings Vol. 9911:
Modeling, Systems Engineering, and Project Management for Astronomy VI
George Z. Angeli; Philippe Dierickx, Editor(s)

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