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https://hdl.handle.net/2440/84344
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Type: | Journal article |
Title: | Metamaterial-inspired rotation sensor with wide dynamic range |
Author: | Ebrahimi, A. Withayachumnankul, W. Al-Sarawi, S. Abbott, D. |
Citation: | IEEE Sensors Journal, 2014; 14(8):2609-2614 |
Publisher: | IEEE |
Issue Date: | 2014 |
ISSN: | 1530-437X 1530-437X |
Statement of Responsibility: | Amir Ebrahimi, Withawat Withayachumnankul, Said F. Al-Sarawi and Derek Abbott |
Abstract: | A rotation sensor with a wide dynamic range is designed based on tapered U-shaped resonators. The proposed device is composed of a rounded microstrip transmission line that couples to two meandered resonators that are stacked on top of each other. By rotating the upper resonator, the overlapping area between the two resonators is increased causing a stronger coupling that shifts down the resonance frequency of the device. This frequency shift can be read out in the transmission response from which the rotation angle is determined. The operation principle of the sensor is explained in detail by using a circuit model. A sensor prototype is designed for the microwave frequency range and an experiment is presented for validating the proposed sensing approach. This sensing device is well suited for further miniaturization using microelectromechanical systems technology. |
Keywords: | Metamaterial-inspired sensor rotation sensor split-ring resonator. |
Rights: | © 2014 IEEE. |
DOI: | 10.1109/JSEN.2014.2313625 |
Published version: | http://dx.doi.org/10.1109/jsen.2014.2313625 |
Appears in Collections: | Aurora harvest 2 Electrical and Electronic Engineering publications |
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