A Dielectric Elastomer-Based Multimodal Capacitive Sensor

Article


Zhu, Yuting, Giffney, Tim and Aw, Kean. 2022. "A Dielectric Elastomer-Based Multimodal Capacitive Sensor ." Sensors. 22 (2). https://doi.org/10.3390/s22020622
Article Title

A Dielectric Elastomer-Based Multimodal Capacitive Sensor

ERA Journal ID34304
Article CategoryArticle
AuthorsZhu, Yuting, Giffney, Tim and Aw, Kean
Journal TitleSensors
Journal Citation22 (2)
Article Number622
Number of Pages12
YearJan 2022
PublisherMDPI AG
Place of PublicationSwitzerland
ISSN1424-8220
1424-8239
Digital Object Identifier (DOI)https://doi.org/10.3390/s22020622
Web Address (URL)https://www.mdpi.com/1424-8220/22/2/622
Abstract

Dielectric elastomer (DE) sensors have been widely used in a wide variety of applications, such as in robotic hands, wearable sensors, rehabilitation devices, etc. A unique dielectric elastomer-based multimodal capacitive sensor has been developed to quantify the pressure and the location of any touch simultaneously. This multimodal sensor is a soft, flexible, and stretchable dielectric elastomer (DE) capacitive pressure mat that is composed of a multi-layer soft and stretchy DE sensor. The top layer measures the applied pressure, while the underlying sensor array enables location identification. The sensor is placed on a passive elastomeric substrate in order to increase deformation and optimize the sensor’s sensitivity. This DE multimodal capacitive sensor, with pressure and localization capability, paves the way for further development with potential applications in bio-mechatronics technology and other humanoid devices. The sensor design could be useful for robotic and other applications, such as fruit picking or as a bio-instrument for the diabetic insole.

Keywordsdielectric elastomer; flexible pressure sensor; stretchable sensor; multi-location
ANZSRC Field of Research 2020400305. Biomedical instrumentation
Byline AffiliationsUniversity of Auckland, New Zealand
University of Canterbury, New Zealand
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