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Sensors 2014, 14(1), 1278-1294; doi:10.3390/s140101278

Comparison of Piezoresistive Monofilament Polymer Sensors

* ,
EMPA Dübendorf, Überlandstrasse 129, Dübendorf 8600, Switzerland
* Authors to whom correspondence should be addressed.
Received: 30 November 2013 / Revised: 6 January 2014 / Accepted: 7 January 2014 / Published: 13 January 2014
(This article belongs to the Section Physical Sensors)
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The development of flexible polymer monofilament fiber strain sensors have many applications in both wearable computing (clothing, gloves, etc.) and robotics design (large deformation control). For example, a high-stretch monofilament sensor could be integrated into robotic arm design, easily stretching over joints or along curved surfaces. As a monofilament, the sensor can be woven into or integrated with textiles for position or physiological monitoring, computer interface control, etc. Commercially available conductive polymer monofilament sensors were tested alongside monofilaments produced from carbon black (CB) mixed with a thermo-plastic elastomer (TPE) and extruded in different diameters. It was found that signal strength, drift, and precision characteristics were better with a 0.3 mm diameter CB/TPE monofilament than thick (~2 mm diameter) based on the same material or commercial monofilaments based on natural rubber or silicone elastomer (SE) matrices.
Keywords: sensor; polymer; piezoresistive; high strain; wearable computing; monofilament sensor; polymer; piezoresistive; high strain; wearable computing; monofilament
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Melnykowycz, M.; Koll, B.; Scharf, D.; Clemens, F. Comparison of Piezoresistive Monofilament Polymer Sensors. Sensors 2014, 14, 1278-1294.

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