Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications

A flexible sinusoidal-shaped antenna sensor is introduced in this work, which is a modified half-wave dipole that can be used for strain sensing applications. The presented antenna is an improved extension of the previously introduced antenna sensor for respiration monitoring. The electrical and rad...

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Main Authors: Mehran Ahadi, Mourad Roudjane, Marc-André Dugas, Amine Miled, Younès Messaddeq
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/22/11/4069
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author Mehran Ahadi
Mourad Roudjane
Marc-André Dugas
Amine Miled
Younès Messaddeq
author_facet Mehran Ahadi
Mourad Roudjane
Marc-André Dugas
Amine Miled
Younès Messaddeq
author_sort Mehran Ahadi
collection DOAJ
description A flexible sinusoidal-shaped antenna sensor is introduced in this work, which is a modified half-wave dipole that can be used for strain sensing applications. The presented antenna is an improved extension of the previously introduced antenna sensor for respiration monitoring. The electrical and radiative characteristics of the sinusoidal antenna and the effects of the geometrical factors are studied. An approach is provided for designing the antenna, and equations are introduced to estimate the geometrical parameters based on desired electrical specifications. It is shown that the antenna sensor can be designed to have up to 5.5 times more sensitivity compared to the last generation of the antenna sensor previously introduced for respiration monitoring. The conductive polymer material used to fabricate the new antenna makes it more flexible and durable compared to the previous generation of antenna sensors made of glass-based material. Finally, a reference antenna made of copper and an antenna sensor made of the conductive polymer are fabricated, and their electrical characteristics are analyzed in free space and over the body.
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spelling doaj.art-5a72871826f04a9bbce224440c4795d32023-11-23T14:48:11ZengMDPI AGSensors1424-82202022-05-012211406910.3390/s22114069Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing ApplicationsMehran Ahadi0Mourad Roudjane1Marc-André Dugas2Amine Miled3Younès Messaddeq4Center for Optics, Photonics and Lasers (COPL), Department of Electrical and Computer Engineering, Université Laval, Quebec City, QC G1V 0A6, CanadaCenter for Optics, Photonics and Lasers (COPL), Department of Physics, Université Laval, Quebec City, QC G1V 0A6, CanadaDépartement de Pédiatrie, Faculté de Médecine, Centre Mére-Enfant Soleil du CHU de Québec, Université Laval, and Centre de Recherche du CHU de Québec, Quebec City, QC G1V 4G2, CanadaLABioTRON Bioengineering Research Laboratory, Department of Electrical and Computer Engineering, and Research Centre for Advanced Materials (CERMA), Université Laval, Quebec City, QC G1V 0A6, CanadaCenter for Optics, Photonics and Lasers (COPL), Department of Physics, Université Laval, Quebec City, QC G1V 0A6, CanadaA flexible sinusoidal-shaped antenna sensor is introduced in this work, which is a modified half-wave dipole that can be used for strain sensing applications. The presented antenna is an improved extension of the previously introduced antenna sensor for respiration monitoring. The electrical and radiative characteristics of the sinusoidal antenna and the effects of the geometrical factors are studied. An approach is provided for designing the antenna, and equations are introduced to estimate the geometrical parameters based on desired electrical specifications. It is shown that the antenna sensor can be designed to have up to 5.5 times more sensitivity compared to the last generation of the antenna sensor previously introduced for respiration monitoring. The conductive polymer material used to fabricate the new antenna makes it more flexible and durable compared to the previous generation of antenna sensors made of glass-based material. Finally, a reference antenna made of copper and an antenna sensor made of the conductive polymer are fabricated, and their electrical characteristics are analyzed in free space and over the body.https://www.mdpi.com/1424-8220/22/11/4069dipole antennaminiaturized antennasinusoidal antennastrain sensortunable antennaconductive polymer
spellingShingle Mehran Ahadi
Mourad Roudjane
Marc-André Dugas
Amine Miled
Younès Messaddeq
Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications
Sensors
dipole antenna
miniaturized antenna
sinusoidal antenna
strain sensor
tunable antenna
conductive polymer
title Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications
title_full Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications
title_fullStr Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications
title_full_unstemmed Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications
title_short Wearable Sensor Based on Flexible Sinusoidal Antenna for Strain Sensing Applications
title_sort wearable sensor based on flexible sinusoidal antenna for strain sensing applications
topic dipole antenna
miniaturized antenna
sinusoidal antenna
strain sensor
tunable antenna
conductive polymer
url https://www.mdpi.com/1424-8220/22/11/4069
work_keys_str_mv AT mehranahadi wearablesensorbasedonflexiblesinusoidalantennaforstrainsensingapplications
AT mouradroudjane wearablesensorbasedonflexiblesinusoidalantennaforstrainsensingapplications
AT marcandredugas wearablesensorbasedonflexiblesinusoidalantennaforstrainsensingapplications
AT aminemiled wearablesensorbasedonflexiblesinusoidalantennaforstrainsensingapplications
AT younesmessaddeq wearablesensorbasedonflexiblesinusoidalantennaforstrainsensingapplications