2023-09-13 10:23 |
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2023-07-11 13:24 |
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Highly sensitive reflective-mode phase-variation permittivity sensors using coupled line sections
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Casacuberta Orta, Pau (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Muñoz Enano, Jonathan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Su, Lijuan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Highly sensitive permittivity sensors operating in reflection and exploiting phase variation are presented in this article. The sensors are one-port structures implemented by means of a pair of coupled lines, the sensitive region, with an appropriate termination. [...]
2023 - 10.1109/TMTT.2023.3234272
IEEE transactions on microwave theory and techniques, Vol. 71, issue 7 (Jul. 2023) , p. 2970-2984
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2023-05-23 10:08 |
14 p, 7.2 MB |
Microwave Humidity Sensor for Early Detection of Sweat and Urine Leakage
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Su, Lijuan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Casacuberta Orta, Pau (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Muñoz Enano, Jonathan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
A planar microwave sensor devoted to the detection of humidity in underwear and clothes in general is proposed. The ultimate goal of the sensor is to detect the presence of liquids in fabrics, which is of interest to aid patients who suffer from certain pathologies, such as hyperhidrosis and enuresis. [...]
2023 - 10.3390/electronics12102276
Electronics, Vol. 12, Issue 10 (May 2023) , art. 2276
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2023-05-23 10:03 |
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Motion Control System for Industrial Scenarios Based on Electromagnetic Encoders
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Paredes, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Moya Lara, Ana (Hohner Automation) ;
Berenguel-Alonso, Miguel (Centre Tecnològic de Catalunya) ;
Gonzalez, David (Hohner Automation) ;
Bruguera, Pep (Hohner Automation) ;
Delgado Simao, Claudia (Centre Tecnològic de Catalunya) ;
Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
In this article, a complete system useful for the measurement of the absolute position, velocity, and acceleration of moving objects in industrial scenarios (such as conveyor transport devices, elevators, escalators, and other mechanical systems) is presented. [...]
2023 - 10.1109/TIM.2023.3271758
iEEE Transactions on Instrumentation and Measurement, Vol. 72 (May 2023)
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2023-05-23 09:44 |
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2023-05-23 09:38 |
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2023-05-23 09:18 |
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Portable Reflective-Mode Phase-Variation Microwave Sensor Based on a Rat-Race Coupler Pair and Gain/Phase Detector for Dielectric Characterization
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Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Paredes, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Casacuberta Orta, Pau (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Elgeziry, Mahmoud (Università di Pisa. Dipartimento di Ingegneria dell'Informazione) ;
Su, Lijuan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Muñoz Enano, Jonathan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Costa, Filippo (Università di Pisa. Dipartimento di Ingegneria dell'Informazione) ;
Genovesi, Simone (Università di Pisa. Dipartimento di Ingegneria dell'Informazione) ;
Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
This article presents a low-cost and portable phase-variation planar microwave sensor operating in reflective mode, where the output variable, the phase of the reflection coefficient of the one-port sensing element, is retrieved by means of a distributed circuit based on a pair of rat-race hybrid couplers and the associated electronics. [...]
2023 - 10.1109/JSEN.2023.3240771
IEEE sensors journal, Vol. 23, Issue 6 (March 2023) , p. 5745-5756
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2023-03-30 12:07 |
43 p, 14.8 MB |
Balanced Microwave Transmission Lines, Circuits, and Sensors
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Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Medina, Francisco (Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo)
This paper provides an overview of balanced (or differential-mode) structures operating at microwaves, including common-mode suppression filters, balanced filters and circuits with intrinsic common-mode suppression, and differential-mode sensors. [...]
2023 - 10.1109/JMW.2022.3226003
IEEE Journal of Microwaves, Vol. 3, Issue 1 (January 2023) , p. 398-440
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2022-10-06 03:34 |
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2022-06-22 12:27 |
16 p, 1.9 MB |
Circuit Analysis of a Coplanar Waveguide (CPW) Terminated With a Step-Impedance Resonator (SIR) for Highly Sensitive One-Port Permittivity Sensing
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Casacuberta Orta, Pau (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Muñoz Enano, Jonathan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Su, Lijuan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ;
Gil Barba, Marta (Universidad Politécnica de Madrid. Departamento de Ingeniería Audiovisual y Comunicaciones) ;
Ebrahimi, Amir (Royal Melbourne Institute of Technology. School of Engineering) ;
Martín, Ferran (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
This paper presents a single-frequency reflective-mode phase-variation microwave sensor devoted to the dielectric characterization of materials. The device is implemented in coplanar waveguide (CPW) technology and consists of two parts: (i) the sensing region, a step-impedance resonator (SIR) as termination of a CPW transmission line, and (ii) the design region, a cascade of high/low impedance quarter-wavelength inverters, used to boost up the sensitivity. [...]
2022 - 10.1109/ACCESS.2022.3181195
IEEE Access, Vol. 10 (June 2022) , p. 62597-62612
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