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Fused deposition modelling – Towards 3D printed electrodes on fabric for surface electromyography (sEMG)
Högskolan i Borås, Akademin för textil, teknik och ekonomi.
Högskolan i Borås, Akademin för textil, teknik och ekonomi.ORCID-id: 0000-0002-6995-967X
Högskolan i Borås, Akademin för textil, teknik och ekonomi.ORCID-id: 0000-0002-4369-9304
2018 (Engelska)Konferensbidrag, Poster (med eller utan abstract) (Övrigt vetenskapligt)
Hållbar utveckling
Verkets författare anser att innehållet i publikationen faller inom ämnet hållbar utveckling.
Abstract [en]

Surface electromyography (sEMG) monitoring has promising applications within the field of human robot communication where wearable electrodes are used as the interface. This research investigates the production of flexible 3D printed electrodes using electrically conductive filaments, of thermoplastic polyurethane containing carbon black, and polyester fabric as substrate. Dry 3D printed electrodes of varying thickness, due to increased number of layers, were compared to conventional electrolytic gel electrodes. Initial tests show that the volume resistivity of 3D printed electrodes increased with increased number of layers. This because, with increased number of layers the diffusion between layers deteriorates and hinders conductive particle connections. Additional heat-treatments using hot press plates to improve diffusion between layers were promising as volume resistivity decreased with 200 % for all samples. As a first step to evaluate the 3D printed electrodes, skin-electrode impedance measurements were performed, and compared with measurements of conventional electrodes. Results showed that resistance and reactance versus frequency curves had similar trending slopes, decreasing with increasing frequency. However, this corresponded only between the thinnest (200 μm) 3D-printed dry electrode having a volume resistivity of 6.2 Ω cm and the conventional gel electrode. Future studies regarding the influence of platform and extruder temperature are planned for, focusing on improved diffusion between layers and increased conduction for proper electron transfer. 

Ort, förlag, år, upplaga, sidor
2018.
Nyckelord [en]
3D printing, electrodes, conductive filament, fabric, diffusion, printing parameters, surface electromyography
Nationell ämneskategori
Textil-, gummi- och polymermaterial Kompositmaterial och -teknik
Forskningsämne
Textil och mode (generell)
Identifikatorer
URN: urn:nbn:se:hb:diva-15187OAI: oai:DiVA.org:hb-15187DiVA, id: diva2:1254219
Konferens
IDTechEx, Berlin, 11-12 April, 2018.
Forskningsfinansiär
Västra Götalandsregionen, 2016-01342Tillgänglig från: 2018-10-08 Skapad: 2018-10-08 Senast uppdaterad: 2018-11-20Bibliografiskt granskad

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Malm, VeronicaSeoane, FernandoNierstrasz, Vincent

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Malm, VeronicaSeoane, FernandoNierstrasz, Vincent
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Akademin för textil, teknik och ekonomi
Textil-, gummi- och polymermaterialKompositmaterial och -teknik

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