Development of inductive sensors for a robotic interface based on noninvasive tongue control

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Abstract

Tongue based robotic interfaces have shown the potential to control assistive robotic devices developed for individuals with severe disabilities due to spinal cord injury. However, current tongue-robotic interfaces require invasive methods such as piercing to attach an activation unit (AU) to the tongue. A noninvasive tongue interface concept, which used a frame integrated AU instead of a tongue attached AU, was previously proposed. However, there is a need for the development of compact one-piece sensor printed circuit boards (PCBs) to enable activation of all inductive sensors. In this study, we developed and tested four designs of compact one-piece sensor PCBs incorporating inductive sensors for the design of a noninvasive tongue-robotic interface. We measured electrical parameters of the developed sensors to detect activation and compared them with a sensor of the current version of the inductive tongue-computer interface (ITCI) by moving AUs with different contact surfaces at the surface of the sensors. Results showed that, the newly developed inductive sensors had higher and wider activation than the sensor of ITCI and the AU with a flat contact surface had 3.5 - 4 times higher activation than the AU with a spherical contact surface. A higher sensor activation can result in a higher signal to noise ratio and thus a higher AU tracking resolution.
OriginalsprogEngelsk
Titel2022 IEEE International Conference on Rehabilitation Robotics (ICORR)
Antal sider6
Vol/bind2022
ForlagIEEE
Publikationsdato1 jul. 2022
Sider1-6
Artikelnummer9896548
ISBN (Trykt)978-1-6654-8830-3
ISBN (Elektronisk)978-1-6654-8829-7
DOI
StatusUdgivet - 1 jul. 2022
BegivenhedInternational Conference on Rehabilitation Robotics, ICORR 2022 - Rotterdam, Holland
Varighed: 25 jul. 202229 jul. 2022

Konference

KonferenceInternational Conference on Rehabilitation Robotics, ICORR 2022
Land/OmrådeHolland
ByRotterdam
Periode25/07/202229/07/2022
NavnI E E E International Conference on Rehabilitation Robotics. Proceedings
ISSN1945-7898

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