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Ákos Pintér, Antal Huba
Pág. 32 - 40
This paper presents a comparative study of pressure-sensitive sensor materials being suitable for monitoring purposes in pressure mapping sensor networks. Four sensor materials working on piezoresistive, piezoelectric, quasi-piezoelectric and capacitive ...
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Hirokazu Madokoro, Stephanie Nix and Kazuhito Sato
This paper presents a filter generating method that modifies sensor signals using genetic network programming (GNP) for automatic calibration to absorb individual differences. For our earlier study, we developed a prototype that incorporates bed-leaving ...
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Chouaib Ennawaoui, Abdelowahed Hajjaji, Cédric Samuel, Erroumayssae Sabani, Abdelkader Rjafallah, Ikrame Najihi, El Mehdi Laadissi, El Mehdi Loualid, Mohamed Rguiti, Abdessamad El Ballouti and Azeddine Azim
This paper investigates energy harvesting performances of porous piezoelectric polymer films to collect electrical energy from vibrations and power various sensors. The influence of void content on the elastic matrix, dielectric, electrical, and mechanic...
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Sergey Alekseev, Natalia Polzikova and Valery Luzanov
The hybrid high overtone bulk acoustic wave resonators (HBARs) consisting of a piezoelectric film transducers and gallium gadolinium garnet substrates with yttrium iron garnet films (YIG-GGG-YIG) are used for experimental excitation and detection of acou...
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Hugo Hernán Ortiz-Álvarez, Francy Nelly Jiménez-García, Carolina Márquez-Narváez, José Dario Agudelo-Giraldo and Elisabeth Restrepo-Parra
In this work, Monte Carlo simulations of magnetic properties of thin films, including the influence of an external pressure, are presented. These simulations were developed using a Hamiltonian composed by terms that represent the exchange interaction, di...
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Alexander Tkach, André Santos, Sebastian Zlotnik, Ricardo Serrazina, Olena Okhay, Igor Bdikin, Maria Elisabete Costa and Paula M. Vilarinho
If piezoelectric thin films sensors based on K0.5Na0.5NbO3 (KNN) are to achieve commercialization, it is critical to optimize the film performance using low-cost scalable processing and substrates. Here, sol–gel derived KNN thin films are deposited...
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