Browsing by Subject "Temperature measurements"
Now showing items 1-20 of 38
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A comparative study of calibration methods for low-cost ozone sensors in IoT platforms
(2019-12-01)
Article
Open AccessThis paper shows the result of the calibration process of an Internet of Things platform for the measurement of tropospheric ozone (O 3 ). This platform, formed by 60 nodes, deployed in Italy, Spain, and Austria, consisted ... -
A time series model for influent temperature estimation: application to dynamic temperature modelling of an aerated lagoon
(2008-05)
Article
Restricted access - publisher's policyThirty-nine linear regression and time series models were built and calibrated for influent temperature (Ti) estimation at the primary aerated facultative lagoon in a municipal wastewater treatment plant. The models were ... -
Automatic DC Offset Cancellation in Built-in Differential Temperature Sensors
(Universitat Politècnica de Catalunya, 2012-12-19)
Master thesis
Open Access[ANGLÈS] The main goal of this thesis is to improve the state of the art of temperature sensors used in this technique, specifically, differential temperature sensors. -
Caracterització elèctrica i tèrmica de ceràmiques conductores mitjançant espectroscòpia d'impedància elèctrica i anàlisi tèrmica
(Universitat Politècnica de Catalunya, 2016-07)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
DC temperature measurements to characterize the central frequency and 3 dB bandwidth in mmW power amplifiers
(2015-11)
Article
Open AccessThis letter shows how a temperature sensor and a simple DC voltage multimeter can be used as instruments to determine the central frequency and 3 dB bandwidth of a 60 GHz linear power amplifier (PA). Compared to previous ... -
Debye frequency-extended waveguide permittivity extraction for high complex permittivity materials. Concrete setting process characterization
(2019-12)
Article
Open AccessA waveguide with central frequency 868 MHz is used in transmission/reflection operation regime to accurately measure the behaviour of the complex permittivity of high complex permittivity granular materials and it has been ... -
Design and implementation of a power transistor temperature measurement circuit for a multilevel active-clamped power converter
(Universitat Politècnica de Catalunya, 2017-09-13)
Bachelor thesis
Open AccessSemiconductor power switches are largely considered the most fragile components in power electronic converters. In order to increase the reliability of power devices, it is important to avoid high junction temperatures and ... -
Design rules to implement self-calibrated differential temperature sensors
(Universitat Politècnica de Catalunya, 2016)
Master thesis (pre-Bologna period)
Open AccessThe goal of this project is to present a new differential temperature sensor architecture that can digitally compensate for the thermal offset. First, the sources of thermal offset and its implications in temperature ... -
Determination of the glass transition temperature: methods correlation and structural heterogeneity
(2009-12)
Article
Restricted access - publisher's policyThe definition of the glass transition temperature, Tg, is recalled and its experimental determination by various techniques is reviewed. The diversity of values of Tg obtained by the different methods is discussed, with ... -
Development and implementation of a new thermal module on the Energy Flow Simulation
(Universitat Politècnica de Catalunya, 2016-09-05)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Ing. Karl und Albert Kruch Gesellschaft -
Diseño de un sistema no invasivo de medición de la temperatura corporal interna
(Universitat Politècnica de Catalunya, 2015-02-16)
Bachelor thesis
Open Access[ANGLÈS] In the last years, the technological improvement has had a great influence in the medical field, therefore the development of devices that use non-invasive methods of analysis increases more and more. Following ... -
Estudi in vitro de la temperatura ocular amb l'ús de lents de contacte toves
(Universitat Politècnica de Catalunya, 2017-06-19)
Master thesis
Restricted access - author's decisionObjectius: En aquest estudi s’ha proposat valorar els canvis de temperatura cornial que es produeixen al inserir una lent de contacte tova, i les diferències entre diferents tipus de lents de contacte. S’ha fet l’estudi ... -
Estudi termomecànic del comportament dels pilars mixtos acer-formigó sotmesos a l'acció d'un l'incendi
(Universitat Politècnica de Catalunya, 2020-07-09)
Master thesis
Restricted access - confidentiality agreement -
Estudio de la capacidad de un modelo de clima regional de reproducir la temperatura del aire en superficie en el Vallés Occidental
(Universitat Politècnica de Catalunya, 2017-01-10)
Bachelor thesis
Restricted access - author's decision -
Estudio de viabilidad para optimizar un sistema de frío industrial positivo y negativo para la producción de un proceso químico
(Universitat Politècnica de Catalunya, 2020-07-30)
Master thesis
Restricted access - author's decisionEl presente estudio de viabilidad tiene por objetivo realizar una valoración del sistema de producción de frio industrial actual para la optimización del sistema de producción de frío a temperaturas positivas (7ºC) y ... -
Estudio, análisis y creación de un módulo de resistencias programables destinado a la simulación de sondas para la calibración de equipos electrónicos
(Universitat Politècnica de Catalunya, 2020-10-26)
Bachelor thesis
Restricted access - author's decision
Covenantee: AKOEste proyecto consiste en el diseño y montaje de un módulo de resistencias programable a partir de potenciómetros digitales controlados por un microcontrolador de Arduino. Este tiene la función de calibrar equipos electrónicos ... -
Influence of hydrogen on the optical absorption response of GaAs(Ti) films deposited by R.F. sputtering
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyIn the present work we have investigated the optical absorption behavior of GaAs(Ti) films deposited by r.f sputtering technique under different H2 partial pressures. In previous work we have already demonstrated the ... -
Interrogation unit and SAW RDL sensor design for automatic measurement of temperature and stress
(Universitat Politècnica de Catalunya, 2018-07-31)
Bachelor thesis
Open Access
Covenantee: University of Colorado Colorado SpringsTechnology advances towards the concept of IoT (Internet of Things), which is the idea of a global network that integrates electronics and computer-based systems on physical devices continuously sharing data, resulting in ... -
Ohmic contacts fabricated on moderately doped p-type GaAs by sputtering deposition and a laser-firing process
(2013-09-12)
Article
Open AccessA novel approach is used to achieve ohmic contacts on moderately doped p-type GaAs substrates. A laser-firing process is used instead of the conventional annealing step. The morphology of the crater created by the laser-firing ... -
On the use of static temperature measurements as process variation observable
(2012-10)
Article
Restricted access - publisher's policyIn this paper we present the use of static temperature measurements as process variation observable. Contrary to previously published thermal testing methods, the proposed methodology does not need an excitation signal, ...
