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Proceedings Paper

Control of piezoelectric actuator with hysteresis and creep
Author(s): Jean-Pierre Folcher; Paolo Lazzarini
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Paper Abstract

Piezoelectric actuators are essential elements for high-precision positioning in many astronomical applications (OPD modulation for fringe tracking systems, control of tip/tilt modes in Adaptive Optics....). This paper proposes a control method to take into account nonlinear dynamics of piezoelectric actuators such as hysteresis and creep. Some simulations demonstrate the effectiveness of the control approach and experimental results are obtained for the creep compensation.

Paper Details

Date Published: 25 July 2018
PDF: 7 pages
Proc. SPIE 10701, Optical and Infrared Interferometry and Imaging VI, 107010F (25 July 2018); doi: 10.1117/12.2314141
Show Author Affiliations
Jean-Pierre Folcher, Univ. Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Lab. Lagrange (France)
Paolo Lazzarini, Electrolux Italia S.p.A. (Italy)

Published in SPIE Proceedings Vol. 10701:
Optical and Infrared Interferometry and Imaging VI
Michelle J. Creech-Eakman; Peter G. Tuthill; Antoine Mérand, Editor(s)

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