Design and modelling of a ring-shape Recurve piezoelectric actuator

Beckers, Guillaume;Pirnay, Louis-Antoine;Dehez, Bruno
(2012) Applications of Ferroelectrics held jointly with 2012 European Conference on the Applications of Polar Dielectrics and 2012 International Symp Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials (ISAF/ECAPD/PFM), 2012 Intl Symp — Location: University of Aveiro (9.July.2012)

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Authors
  • Beckers, GuillaumeUCLouvain
    Author
  • Pirnay, Louis-AntoineUCLouvain
    Author
  • Dehez, BrunoUCLouvain
    Author
Abstract
Piezoelectric materials show interesting properties for developing actuators but most of the times they must be integrated in a stroke amplification structure. This paper presents a ring-shape Recurve structure that allows better integration in a mechatronics system as well as a good stroke. Two models based on Euler-Bernoulli beams theory are provided. Both consider only a bending load and the piezoelectric effect but one is a straight beam and the other is a curved beam. A finite-element model is used to show the limits of the hypothesis.

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Beckers, G., Pirnay, L.-A., & Dehez, B. (2012). Design and modelling of a ring-shape Recurve piezoelectric actuator. Proceedings of ISAF-ECAPD-PFM 2012. Published. Applications of Ferroelectrics held jointly with 2012 European Conference on the Applications of Polar Dielectrics and 2012 International Symp Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials (ISAF/ECAPD/PFM), 2012 Intl Symp, University of Aveiro. https://doi.org/10.1109/ISAF.2012.6297784