3D-printed and wireless piezoelectric tactile sensors

Zhangxian Deng; Betsy Rosales; Linda Choi; Sabrina Mooers; Benjamin C. Johnson

doi:10.1117/12.2558222

19 May 2020 3D-printed and wireless piezoelectric tactile sensors

Zhangxian Deng, Betsy Rosales, Linda Choi, Sabrina Mooers, Benjamin C. Johnson

Proceedings Volume 11375, Electroactive Polymer Actuators and Devices (EAPAD) XXII; 113752A (2020) https://doi.org/10.1117/12.2558222
Event: SPIE Smart Structures + Nondestructive Evaluation, 2020, Online Only

Abstract

The sense of touch, also known as tactile recognition, is crucial for modern robotics to explore and understand ambient environments. This study used a commercial inkjet printer to additively manufacture a flexible and passive tactile sensor consisting of a piezoelectric P(VDF-trFE) thin film sandwiched by a pair of electrodes. Consistent and reliable printing of piezoelectric thin films is achieved by investigating ink preparation procedures, printer settings, and substrate surface treatment. Post-processing procedures, including drying and curing, are studied to ensure thin film uniformity and functionality. Eventually, in-situ signal processing and wireless data transmission circuits are developed and validated. The printed piezoelectric tactile sensor can be potentially used for human health monitoring and soft robotics due to its high flexibility and biocompatibility.

Conference Presentation

Citation Download Citation

Zhangxian Deng, Betsy Rosales, Linda Choi, Sabrina Mooers, and Benjamin C. Johnson "3D-printed and wireless piezoelectric tactile sensors", Proc. SPIE 11375, Electroactive Polymer Actuators and Devices (EAPAD) XXII, 113752A (19 May 2020); https://doi.org/10.1117/12.2558222

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