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Titel: Multifunctional Sensor Array for User Interaction Based on Dielectric Elastomers with Sputtered Metal Electrodes
VerfasserIn: Gratz-Kelly, Sebastian
Cerino, Mario
Philippi, Daniel
Göttel, Dirk
Nalbach, Sophie
Hubertus, Jonas
Schultes, Günter
Heppe, John
Motzki, Paul
Sprache: Englisch
Titel: Materials
Bandnummer: 17
Heft: 23
Verlag/Plattform: MDPI
Erscheinungsjahr: 2024
Freie Schlagwörter: dielectric elastomer sensing array
thin-film electrodes
crimped dielectric elastomer
textile-integrated sensor
human–machine interaction
pattern recognition
dielectric elastomers
DDC-Sachgruppe: 500 Naturwissenschaften
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: The integration of textile-based sensing and actuation elements has become increasingly important across various fields, driven by the growing demand for smart textiles in healthcare, sports, and wearable electronics. This paper presents the development of a small, smart dielectric elastomer (DE)-based sensing array designed for user control input in applications such as human–machine interaction, virtual object manipulation, and robotics. DE-based sensors are ideal for textile integration due to their flexibility, lightweight nature, and ability to seamlessly conform to surfaces without compromising comfort. By embedding these sensors into textiles, continuous user interaction can be achieved, providing a more intuitive and unobtrusive user experience. The design of this DE array draws inspiration from a flexible and wearable version of a touchpad, which can be incorporated into clothing or accessories. Integrated advanced machine learning algorithms enhance the sensing system by improving resolution and enabling pattern recognition, reaching a prediction performance of at least 80. Additionally, the array’s electrodes are fabricated using a novel sputtering technique for low resistance as well as high geometric flexibility and size reducibility. A new crimping method is also introduced to ensure a reliable connection between the sensing array and the custom electronics. The advantages of the presented design, data evaluation, and manufacturing process comprise a reduced structure size, the flexible adaptability of the system to the respective application, reliable pattern recognition, reduced sensor and line resistance, the adaptability of mechanical force sensitivity, and the integration of electronics. This research highlights the potential for innovative, highly integrated textile-based sensors in various practical applications.
DOI der Erstveröffentlichung: 10.3390/ma17235993
URL der Erstveröffentlichung: https://doi.org/10.3390/ma17235993
Link zu diesem Datensatz: urn:nbn:de:bsz:291--ds-437764
hdl:20.500.11880/39197
http://dx.doi.org/10.22028/D291-43776
ISSN: 1996-1944
Datum des Eintrags: 16-Dez-2024
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Systems Engineering
Professur: NT - Prof. Dr. Paul Motzki
NT - Prof. Dr. Stefan Seelecke
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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