Overcoming hysteresis in multilayered piezoceramic actuators used in adaptive optics

Emma Bryce, Erman Uzgur, David Hutson, Katherine Kirk, Mel Strachan, Noah Schwartz, Phil Parr-Burman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Piezoceramic actuators are of increasing interest within the field of adaptive optics through their ability for macro and nano positioning. However, a major drawback for their use is the inherent, non linear hysteresis that is present, which will reduce the accuracy in positioning. Typical (raw) hysteresis for multilayered piezoceramic actuators is 20% of full extension. Methods have been researched to overcome the hysteresis but they often involve complex additions to the actuators and its positioning system. This paper discusses two methods to overcome the hysteresis in a simpler approach. The first method is using capacitance measurements which correlate with the extension of the actuators and reduces hysteresis to 5%. The second method involves measuring the frequency at a specific impedance phase, which can reduce hysteresis to between 0 - 2%. Both methods provide reduction in hysteresis during extension sensing.

Original languageEnglish
Title of host publicationBehavior and Mechanics of Multifunctional Materials and Composites 2012
EditorsNakhiah C. Goulbourne, Zoubeida Ounaies
PublisherSociety of Photo-Optical Instrumentation Engineers
Volume8342
ISBN (Print)9780819489999
DOIs
Publication statusPublished - 26 Apr 2012

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume7736
ISSN (Print)1996-756X

Cite this

Bryce, E., Uzgur, E., Hutson, D., Kirk, K., Strachan, M., Schwartz, N., & Parr-Burman, P. (2012). Overcoming hysteresis in multilayered piezoceramic actuators used in adaptive optics. In N. C. Goulbourne, & Z. Ounaies (Eds.), Behavior and Mechanics of Multifunctional Materials and Composites 2012 (Vol. 8342). [83420O] (Proceedings of SPIE; Vol. 7736). Society of Photo-Optical Instrumentation Engineers. https://doi.org/10.1117/12.917561
Bryce, Emma ; Uzgur, Erman ; Hutson, David ; Kirk, Katherine ; Strachan, Mel ; Schwartz, Noah ; Parr-Burman, Phil. / Overcoming hysteresis in multilayered piezoceramic actuators used in adaptive optics. Behavior and Mechanics of Multifunctional Materials and Composites 2012. editor / Nakhiah C. Goulbourne ; Zoubeida Ounaies. Vol. 8342 Society of Photo-Optical Instrumentation Engineers, 2012. (Proceedings of SPIE).
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Bryce, E, Uzgur, E, Hutson, D, Kirk, K, Strachan, M, Schwartz, N & Parr-Burman, P 2012, Overcoming hysteresis in multilayered piezoceramic actuators used in adaptive optics. in NC Goulbourne & Z Ounaies (eds), Behavior and Mechanics of Multifunctional Materials and Composites 2012. vol. 8342, 83420O, Proceedings of SPIE, vol. 7736, Society of Photo-Optical Instrumentation Engineers. https://doi.org/10.1117/12.917561

Overcoming hysteresis in multilayered piezoceramic actuators used in adaptive optics. / Bryce, Emma; Uzgur, Erman; Hutson, David; Kirk, Katherine; Strachan, Mel; Schwartz, Noah; Parr-Burman, Phil.

Behavior and Mechanics of Multifunctional Materials and Composites 2012. ed. / Nakhiah C. Goulbourne; Zoubeida Ounaies. Vol. 8342 Society of Photo-Optical Instrumentation Engineers, 2012. 83420O (Proceedings of SPIE; Vol. 7736).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Piezoceramic actuators are of increasing interest within the field of adaptive optics through their ability for macro and nano positioning. However, a major drawback for their use is the inherent, non linear hysteresis that is present, which will reduce the accuracy in positioning. Typical (raw) hysteresis for multilayered piezoceramic actuators is 20% of full extension. Methods have been researched to overcome the hysteresis but they often involve complex additions to the actuators and its positioning system. This paper discusses two methods to overcome the hysteresis in a simpler approach. The first method is using capacitance measurements which correlate with the extension of the actuators and reduces hysteresis to 5%. The second method involves measuring the frequency at a specific impedance phase, which can reduce hysteresis to between 0 - 2%. Both methods provide reduction in hysteresis during extension sensing.

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Bryce E, Uzgur E, Hutson D, Kirk K, Strachan M, Schwartz N et al. Overcoming hysteresis in multilayered piezoceramic actuators used in adaptive optics. In Goulbourne NC, Ounaies Z, editors, Behavior and Mechanics of Multifunctional Materials and Composites 2012. Vol. 8342. Society of Photo-Optical Instrumentation Engineers. 2012. 83420O. (Proceedings of SPIE). https://doi.org/10.1117/12.917561