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Caracterização do compósito piezoresistivo Cu-PDMS para uso como sensor de pressão
(Universidade Estadual Paulista (Unesp), 2020-02-18)
Recentes estudos têm abordado o aprimoramento de sensores de pressão com a finalidade de reproduzir a sensibilidade da pele humana para ser utilizada em robôs. Dentre diversos materiais disponíveis na literatura, destaca-se ...
Polyaniline-based gas sensors: DFT study on the effect of side groups
(2022-01-01)
Polyaniline (PANI) derivatives are promising compounds for chemical sensor applications due to their low relative cost and high versatility of synthesis. However, at the same time that the great chemical versatility of ...
Fabrication of hot-wire probes and electronics for constant temperature anemometers
(Planta Piloto de Ingeniería Química, 2010-03)
The purpose of this paper is to discuss the construction of constant temperature hot wire anemometers. Different options are analyzed for the fabrication of sensors and electronics. A practical and simple method is developed ...
Red de sensores para el análisis de vibración en puentes utilizando acelerómetros triaxiales
(Instituto Tecnológico de Costa Rica, 2018)
In the evaluation of the state of the bridges in our country, one of the tests applied is the vibration analysis procedure, in which it is possible to observe the dynamic behavior of the structure and to take the corresponding ...
Optimization of an analogue circuit design for a portable nanoparticle detection device (POND) using printed sensors
(Instituto Tecnológico de Costa Rica, 2018)
The growing use of nanoparticles in different sectors of the industry has generated interest in their study to understand the effect they have on the human body and the environment. The Neuroelectronics group at the Technical ...
Electronic technique for temperature compensation of fibre Bragg gratings sensors
(Elsevier Gmbh, Urban & Fischer VerlagJenaAlemanha, 2008)
Chemical sensors based on N-substituted polyaniline derivatives: reactivity and adsorption studies via electronic structure calculations
(2018-07-01)
Conjugated organic polymers represent an important class of materials for varied technological applications including in active layers of chemical sensors. In this context, polyaniline (PANI) derivatives are promising ...
A Multiprobe Heat Pulse Sensor for Soil Moisture Measurement Based on PCB Technology
(Ieee-inst Electrical Electronics Engineers Inc, 2019-02-01)
Heat dissipation sensors operate based on the temperature dependence of the transient heat conduction within the soil, which is a function of the soil characteristics and its water content. After a heat pulse with controlled ...
The role of hierarchical morphologies in the superior gas sensing performance of CuO-based chemiresistors
(2013-04-12)
The development of gas sensors with innovative designs and advanced functional materials has attracted considerable scientific interest given their potential for addressing important technological challenges. This work ...