Design and test of a tip-tilt driver for an image stabilization system

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

doi:10.1117/12.2232469

8 August 2016 Design and test of a tip-tilt driver for an image stabilization system

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

Author Affiliations +

Proceedings Volume 9911, Modeling, Systems Engineering, and Project Management for Astronomy VII; 991123 (2016) https://doi.org/10.1117/12.2232469
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

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.

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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, and Wolfgang Schmidt "Design and test of a tip-tilt driver for an image stabilization system", Proc. SPIE 9911, Modeling, Systems Engineering, and Project Management for Astronomy VII, 991123 (8 August 2016); https://doi.org/10.1117/12.2232469

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