3D Printed Capacitive Tilt Sensor

Conference paper


Oliver Ozioko, Nassar, H., Muir, C. and Dahiya, R. 2020. 3D Printed Capacitive Tilt Sensor. 2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS). IEEE. https://doi.org/10.1109/fleps49123.2020.9239573
AuthorsOliver Ozioko, Nassar, H., Muir, C. and Dahiya, R.
TypeConference paper
Abstract

This work presents 3D printed tilt sensor to measure fluid level and tilt sensing in robotics. It comprises of four 3D printed interdigitated capacitive sensors printed as a single structure and immersed in liquid EcoflexTM (part A only). When the orientation of the sensor changes, the level of fluid in contact with the sensors also changes and this causes a change in the capacitance. The sensors were first printed individually and change in capacitance measured for different fluid levels. The response of the individual capacitive sensors shows a stable response for a dip and remove cyclic test in fluid at frequency of 0.625Hz. The results of the tilting experiments show a relative change in capacitance (ΔC/C 0 ~0.1% per degree for an angle range of ~ -20° to ~+20°. With ~6.7° detected per mm of the level of fluid in contact with the sensor, the result shows the capability to achieve a measurement range of at least ~±93.8° (for a sensor of length of ~12mm). The study carried out in this work finds application in tilt sensing in robotics as well as in fluid-level sensing in which case the sensor could be printed as part of the structure of the fluid container.

KeywordsCapacitive sensor; Tilt Sensors; Inclinometer; Multimaterials 3D printing; Robotics
Year2020
Conference 2020 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)
PublisherIEEE
Digital Object Identifier (DOI)https://doi.org/10.1109/fleps49123.2020.9239573
Web address (URL)https://ieeexplore.ieee.org/document/9239573
ISBN978-1-7281-5278-3
Output statusPublished
Publication dates30 Oct 2020
Publication process dates
Deposited20 Jun 2024
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https://repository.derby.ac.uk/item/q6yz6/3d-printed-capacitive-tilt-sensor

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