Articles | Volume 14, issue 2
https://doi.org/10.5194/jsss-14-265-2025
https://doi.org/10.5194/jsss-14-265-2025
Regular research article
 | 
18 Nov 2025
Regular research article |  | 18 Nov 2025

Conceptual design of additive manufactured capacitive displacement sensors for adaptive pin array grippers

Steffen Schröder, Thomas M. Wendt, and Stefan J. Rupitsch

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Cited articles

Chang, C.-M., Gerez, L., Elangovan, N., Zisimatos, A., and Liarokapis, M.: On Alternative Uses of Structural Compliance for the Development of Adaptive Robot Grippers and Hands, Front. Neurorobot., 13, https://doi.org/10.3389/fnbot.2019.00091, 2019a. a, b
Chang, C.-M., Gerez, L., Elangovan, N., Zisimatos, A., and Liarokapis, M.: Unconventional Uses of Structural Compliance in Adaptive Hands, in: 2019 28th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN), 1–7, https://doi.org/10.1109/RO-MAN46459.2019.8956340, 2019b. a
Devices, A.: AD7747 24-Bit Capacitance-to-Digital Converter with Temperature Sensor Datasheet, Analog Devices Inc., https://www.analog.com/media/en/technical-documentation/data-sheets/AD7747.pdf (last access: 24 September 2024), 2007. a, b
Dichtl, C., Sippel, P., and Krohns, S.: Dielectric Properties of 3D Printed Polylactic Acid, Adv. Mater. Sci. Eng., 2017, e6913835, https://doi.org/10.1155/2017/6913835, 2017. a
Flintoff, Z., Johnston, B., and Liarokapis, M.: Single-Grasp, Model-Free Object Classification using a Hyper-Adaptive Hand, Google Soli, and Tactile Sensors, in: 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 1943–1950, https://doi.org/10.1109/IROS.2018.8594166, 2018. a
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Short summary
This research presents a capacitive displacement sensor concept, designed for integration into a pin array gripper. The design is optimised for additive manufacturing, offering new design possibilities and enabling the creation of fully additive manufactured pin grippers with integrated displacement sensors. A prototype sensor was fabricated using additive manufacturing, and experimental results confirm the simulations and the functionality of the fabricated sensor for different pin materials.
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