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Study on Sensitivity and Accuracy of Piezoelectric Stack Actuators for Charge Self-Sensing

  • The charge response of a force applied to piezoelectric stack actuators was characterized in the range of 0 N – 20 N for application in piezoelectric self-sensing. Results show linear behavior between ap-plied force and collected charge for both actuators tested in this study. One actuator exhibits a 3.55 times higher sensitivity slope than the other related to its larger capacitance. An error analysis reveals a reduction of relative error in charge measurement with rising forces applied to the actuators.

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Author:Sonja Müller, Stefan J. Rupitsch, Ulrich MeschederORCiDGND
Parent Title (English):SMSI 2023 : Sensor and Measurement Science International, 8-11 May 2023, Nürnberg, Germany : Proceedings
Publisher:AMA Service GmbH
Place of publication:Wunstorf
Document Type:Conference Proceeding
Year of Completion:2023
Release Date:2023/07/06
Charge measurement; Linear stack actuator; Miniaturization; Piezoelectricity; Self-sensing
First Page:372
Last Page:373
Licence (German):License LogoUrheberrechtlich geschützt