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Piezoelectric actuators characterization for simultaneous force and displacement self-sensing by detecting impedance

Bafumba Liseli, Joël and Zarif Mansour, Sepehr and Seethaler, Rudolf and Agnus, Joël and Lutz, Philippe and Rakotondrabe, Micky Piezoelectric actuators characterization for simultaneous force and displacement self-sensing by detecting impedance. (2019) In: IFAC Mechatronics / NOLCOS, (Joint Symposium on Mechatronic Systems and IFAC Symposium on Nonlinear Control Systems), 4 September 2019 - 6 September 2019 (Vienna, Austria).

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Official URL: https://doi.org/10.1016/j.ifacol.2019.11.725

Abstract

This paper introduces a new Self-Sensing Actuation approach for simultaneous estimation of external loads and Piezoelectric Actuator (PEA) displacement at a frequency here the PEA's impedance change presents good sensitivity to both electrical and mechanical excitations. Experiments are conducted for static operations to support these claims and to help demonstrate the dependence of the PEA's mechanical and electrical properties on external excitations: mechanical stresses with a low preload (less than the recommended 15 MPa for dynamic operations) and electric fields.

Item Type:Conference or Workshop Item (Paper)
HAL Id:hal-03120194
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Ecole Nationale Supérieure de Mécanique et des Microtechniques - ENSMM (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Université de Franche-Comté (FRANCE)
Other partners > Université de Technologie de Belfort-Montbéliard - UTBM (FRANCE)
Other partners > Université Bourgogne Franche-Comté - UBFC (FRANCE)
Other partners > University of British Columbia (CANADA)
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Deposited On:11 Jan 2021 13:36

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