@inproceedings{M{\"u}llerRupitschMescheder2023, author = {M{\"u}ller, Sonja and Rupitsch, Stefan J. and Mescheder, Ulrich}, title = {Study on Sensitivity and Accuracy of Piezoelectric Stack Actuators for Charge Self-Sensing}, booktitle = {SMSI 2023 : Sensor and Measurement Science International, 8-11 May 2023, N{\"u}rnberg, Germany : Proceedings}, isbn = {978-3-9819376-8-8}, doi = {10.5162/SMSI2023/P48}, pages = {372 -- 373}, year = {2023}, abstract = {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.}, language = {en} }