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Mostrando ítems 21-30 de 2062
Sistema de monitoramento da qualidade do ar por meio de micro sensores aplicado ao conceito de cidade inteligente
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia ambientalUTFPR, 2017-12-01)
This project aimed to develop a low-cost monitoring system for environmental variables using micro sensors, calibrated with reference instruments and real-time data available online. The system used Arduino® technology and ...
Método híbrido de detecção de defeitos em redes de sensores móveis utilizando algoritmo de localização
(Universidade Federal de Santa MariaBRCiência da ComputaçãoUFSMPrograma de Pós-Graduação em Informática, 2012-11-01)
The technological advances resulting from electronic systems miniaturization were crucial to the reach of current technology. The microelectronics and studies to reduce power consumption in electronic devices provided that ...
Smart T-Shirt Based on Wireless Communication Spiral Fiber Sensor Array for Real-Time Breath Monitoring: Validation of the Technology
(2020-09-15)
In this paper, we present the design and the validation of a new smart textile developed for real time monitoring of human breath. The smart textile is a wearable stretching T-shirt featuring an array of six contactless ...
A new sensor for the assessment of personal exposure to volatile organic compounds
(Pergamon-Elsevier Science Ltd, 2012-07)
To improve our understanding of indoor and outdoor personal exposures to common environmental toxicants released into the environment, new technologies that can monitor and quantify the toxicants anytime anywhere are needed. ...
Analog Linearization of Resistance Temperature Detectors (RTD) Using the Intrinsic Curvature of BandGap Voltage References
(Int Frequency Sensor Assoc-ifsa, 2018-01-01)
Although resistance temperature detectors (RTD) are more linear than thermocouples, they present second and third order non-linearities, and a linear signal processing circuit which converts the voltage on a Pt-100 RTD to ...
Projeto de um sensor de TOF utilizando o ZR16S08 para aplicações de IOT
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2021-10-08)
The Internet of Things refers to the connection of various devices, sensors and actuators,
to a wireless network to obtain information and perform autonomous tasks. In this context,
with the expansion of the concept ...
Estudio comparativo entre sensores de distancia, con diferente principio de medición, para determinar las especificaciones en la implementación de un scanner tridimensional.
(2019-02)
A three-dimensional scanner obtains a digital model of any object faster and more detailed than any other scanner. Its performance is based on the acquisition of distance measurements from a reference to the object that ...
Diseño y construcción de un banco de entrenamiento para diagnóstico de sensores automotrices.
(GUAYAQUIL/UIDE/2014, 2014)