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FLECTILE: 3D-printable soft actuators for wearable computing

Fang, Likun ORCID iD icon; Röddiger, Tobias ORCID iD icon; Sun, Hongye; Willenbacher, Norbert; Beigl, Michael

Abstract (englisch):

Rapid prototyping and fast manufacturing processes are critical drivers for implementing wearable devices. This paper shows an exemplary method for building flexible, fully elastomeric, vibrotactile electromagnetic actuators based on the Lorentz force law. This paper also introduces the design parameters required for well-functioning actuators and studies the properties of such actuators. The crucial element of the actuator is a helical planer coil manufactured from "capillary" silver TPU (Thermoplastic polyurethane), an ultra-stretchable conductor. This paper leverages the novel material to manufacture soft vibration actuators in fewer and simpler steps than previous approaches. Best practices and procedures for building a wearable actuator are reported. We show that the dimension of the actuators are easily configurable and can be printed in batch-size-one using 3D printing. Actuators can be attached directly to the skin as all the components of FLECTILE are made from biocompatible polymers. Tests on the driving properties have confirmed that the actuator could reach a broad scope of frequency up to 200 Hz with a small voltage (5 V) required. ... mehr

Postprint §
DOI: 10.5445/IR/1000123928/post
Veröffentlicht am 05.09.2021
DOI: 10.1145/3410531.3414307
Zitationen: 5
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Telematik (TM)
Publikationstyp Proceedingsbeitrag
Publikationsmonat/-jahr 09.2020
Sprache Englisch
Identifikator ISBN: 978-1-4503-8077-5
KITopen-ID: 1000123928
Erschienen in UbiComp/ISWC '20: 2020 ACM International Joint Conference on Pervasive and Ubiquitous Computing and 2020 ACM International Symposium on Wearable Computers. Ed.: K. v. Laerhoven,
Veranstaltung ACM International Joint Conference on Pervasive and Ubiquitous Computing/ACM International Symposium on Wearable Computing (UbiComp/ISWC 2020), Online, 12.09.2020 – 17.09.2020
Verlag Association for Computing Machinery (ACM)
Seiten 32–36
Bemerkung zur Veröffentlichung Die Veranstaltung fand wegen der Corona-Pandemie als Online-Event statt
Vorab online veröffentlicht am 04.09.2020
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