Control of piezoelectric actuator with hysteresis and creep

Jean-Pierre Folcher; Paolo Lazzarini

doi:10.1117/12.2314141

25 July 2018 Control of piezoelectric actuator with hysteresis and creep

Jean-Pierre Folcher, Paolo Lazzarini

Proceedings Volume 10701, Optical and Infrared Interferometry and Imaging VI; 107010F (2018) https://doi.org/10.1117/12.2314141
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

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.

Citation Download Citation

Jean-Pierre Folcher and Paolo Lazzarini "Control of piezoelectric actuator with hysteresis and creep", Proc. SPIE 10701, Optical and Infrared Interferometry and Imaging VI, 107010F (25 July 2018); https://doi.org/10.1117/12.2314141

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