Browsing by Subject "Piezoelectricity"
Now showing items 1-20 of 55
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An immersed boundary hierarchical B-spline method for flexoelectricity
(2019-09-01)
Article
Restricted access - publisher's policyThis paper develops a computational framework with unfitted meshes to solve linear piezoelectricity and flexoelectricity electromechanical boundary value problems including strain gradient elasticity at infinitesimal ... -
An impacting energy harvester through piezoelectric device for oscillating water flow
(2013)
Conference report
Open AccessThe reduced power requirements of miniaturized electronics offers the opportunity to create devices having their power supply based on energy harvesters. In this paper a new idea is proposed and studied to supply underwater ... -
Aprofitament de l'energia de l'entorn mitjançant piezoelèctrics
(Universitat Politècnica de Catalunya, 2011-06-15)
Master thesis (pre-Bologna period)
Open AccessEl present projecte suposa l’intent de desenvolupar aplicacions de reaprofitament d’energia en el camp de l’energy harvesting, utilitzant materials piezoelèctrics. Degut a que els autors del projecte parteixen de zero en ... -
Captació d’energia de l’entorn mitjançant elements piezoelèctrics
(Universitat Politècnica de Catalunya, 2008-05-26)
Master thesis (pre-Bologna period)
Open AccessCada vegada més s’utilitzen dispositius petits, portàtils i de baix consum energètic. Per exemple, les xarxes de sensors autònoms. Aquestes actualment s’alimenten amb piles o bateries i, per tant, encara no són totalment ... -
Data-driven multiactuator piezoelectric system for structural damage localization
(2010)
Conference lecture
Open AccessIn initial studies, it has been shown that the combination of Principal Component Analysis (PCA) and the contribution plots of Q and T2-statistics can be considered an efficient technique to detect, distinguish and localize ... -
Desenvolupament d'un dispositiu wearable per a mesurar patrons de respiració
(Universitat Politècnica de Catalunya, 2017-01)
Bachelor thesis
Restricted access - confidentiality agreement -
Desenvolupament de tèxtils amb propietats piezoelèctriques basats en fibres de PVDF
(Universitat Politècnica de Catalunya, 2018-06-08)
Bachelor thesis
Restricted access - author's decisionAquest treball parteix d’un estudi previ sobre la generació d’energia mitjançant nanomembranes de PVDF amb dopants. En el present projecte, s’han estudiat les propietats piezoelèctriques d’aquestes membranes a partir ... -
Design and development of an electronic interface circuit for piezoelectric sensors applied to impact detection
(Universitat Politècnica de Catalunya, 2011-02-16)
Master thesis
Open AccessImpact detection is a very important Technology in today’s industry and science. It has many applications, from testing building structures to detecting the coin impact in an automatic distribution machine. The aim of ... -
Design and implementation of a data acquisition and transmission system based on configurable hardware
(Universitat Politècnica de Catalunya, 2018-10)
Master thesis
Restricted access - author's decisionThe aim of this project is to find a practical solution for high speed data transfers rate systems. The goal of the project is to design and develop a functional prototype able to acquire data from an analogue source and ... -
Design, implementation, and validation of a piezoelectric device to study the effects of dynamic mechanical stimulation on cell proliferation, migration and morphology
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-04-10)
Article
Open AccessCell functions and behavior are regulated not only by soluble (biochemical) signals but also by biophysical and mechanical cues within the cells’ microenvironment. Thanks to the dynamical and complex cell machinery, cells ... -
Developing and testing an amplifier system for piezoelectric sensors
(Universitat Politècnica de Catalunya, 2011-05)
Bachelor thesis
Restricted access - author's decision
Covenantee: Nottingham Trent University. School of Architecture, Design and the Built EnvironmentPiezoelectric sensors are used in condition monitoring system to monitor forces, vibration, strain, acoustic emission and for other applications. The sensors produce a small electric charge which needs to be amplified ... -
Dielectric and mechanical nonlinear behavior of Mn doped PMN-35PT ceramics
(2010-10)
Article
Open AccessThis paper presents an investigation on dielectric and mechanical nonlinear properties in Mn-doped PMN-35PT ceramics. The structural study of the ceramics verifies that the 1% mol Mn doped PMN-35PT is a pure perovskite ... -
Dielectric and piezoelectric nonlinear properties of slightly textured lead barium niobate ceramics
(American Institute of Physics (AIP), 2019-01-09)
Article
Open AccessDielectric and piezoelectric responses of slightly textured, lead barium niobate ceramics are studied. The designed morphotropic phase boundary composition (Pb0.63Ba0.37Nb2O6) shows considerable nonlinear dielectric and ... -
Diseño de un sistema electrónico para la realización de estudios biomecánicos de la pisada utilizando plantillas sensoras y su monitorización mediante interfaz Android
(Universitat Politècnica de Catalunya, 2016-02)
Master thesis
Restricted access - author's decisionEn este proyecto se pretende diseñar y construir un sistema electrónico que mediante una plantilla instrumentada y con la ayuda de una interfaz Android sea capaz de realizar un estudio biomecánico de la marcha y que permita ... -
Disseny d'un circuit d'interfície per a un PDO aplicat a dispositius piezoelèctrics
(Universitat Politècnica de Catalunya, 2015-02-06)
Bachelor thesis
Open Access[ANGLÈS] The digital pulsed oscillators are the systems in charge of controlling a ressonator device so we can get a controlled and constant oscillation. As a control system, it is formed by a circuit that detects the ... -
Disseny d'un sistema de control amb FPGA per actuadors piezoelèctrics
(Universitat Politècnica de Catalunya, 2009-10)
Master thesis (pre-Bologna period)
Open AccessEn aquest projecte s’expliquen quines són les propietats de l’efecte piezoelèctric i quines són les seves aplicacions en l’actualitat. Amb aquesta base es parteix a examinar de quines maneres es pot realitzar el control ... -
Distributed piezoelectric sensor system for damage identification in structures subjected to temperature changes
(2017-05-31)
Article
Open AccessStructural health monitoring (SHM) is a very important area in a wide spectrum of fields and engineering applications. With an SHM system, it is possible to reduce the number of non-necessary inspection tasks, the associated ... -
Electronic wireless drum sticks
(Universitat Politècnica de Catalunya, 2015-07-21)
Bachelor thesis
Open AccessThis thesis wants to develop a prototype of a final commercial product. It tries to take the idea of electronic drums to the next level by creating a drum system packed in just a pair of sticks. Any surface will be an ... -
Estación meteorológica alimentada mediante un sistema piezoeléctrico de recolección de energía
(Universitat Politècnica de Catalunya, 2017)
Master thesis (pre-Bologna period)
Restricted access - author's decisionIn order to provide information on weather conditions on the top of a mountain, both mountaineers and nearby shelter workers, a small weather station has been designed that can be easily installed at the summit to get ... -
Estudi d'alternatives de generació d'energia amb materials piezoelèctrics en carreteres i plantejament conceptual d'una solució escalable
(Universitat Politècnica de Catalunya, 2019-07-17)
Master thesis
Restricted access - author's decisionAquest present estudi redacta una possible solució d’un prototip escalable a partir d’una sèrie d’assajos realitzats amb una caracterització assimilable entre tots ells per tal de poder arribar a una conclusió prèvia, i ...
