Explanipedia

AS CONTRIBUIÇÕES DAS TECNOLOGIAS EMERGENTES NA EDUCAÇÃO BÁSICA NA PERSPECTIVA DA INTERDISCIPLINARIDADE Open

Telma Reijane Pinheiro da Costa, David Nadler Prata, H. X. Araujo · 2025

A evolução no campo das tecnologias da informação e comunicação tem impactado muitos dos setores da sociedade, como indústria, agronegócio, incluindo a educação. O presente estudo é parte constitutiva do corpus da pesquisa de doutorado em …

INTELIGÊNCIA ARTIFICIAL NO JUDICIÁRIO: ANÁLISE DE DESAFIOS E DIRETRIZES A PARTIR DO PROJETO LIIARES Open

Ana Beatriz de Oliveira Pretto, Leonardo de Andrade Carneiro, H. X. Araujo, David Nadler Prata · 2025

A inteligência artificial (IA) tem ganhado destaque como ferramenta estratégica para modernizar o sistema judiciário, com potencial para ampliar a eficiência, a transparência e o acesso à justiça. Este estudo analisa os desafios, abordagen…

INTELIGÊNCIA ARTIFICIAL NO SETOR GOVERNAMENTAL: MAPEAMENTO DA LITERATURA Open

H. X. Araujo, José Carlos de Oliveira, Leonardo de Andrade Carneiro, Marisa Cristina Guimarães Rocha, Vinícius Fernandes Bareboza , et al. · 2025

Este estudo buca analisar a aplicação da inteligência artificial (IA) no contexto do planejamento estratégico de instituições públicas. A pesquisa seguiu um protocolo de mapeamento sistemático que descreveu os critérios para seleção e anál…

UMA REVISÃO SISTEMÁTICA SOBRE O PAPEL DA ROBÓTICA EDUCACIONAL NA EDUCAÇÃO BÁSICA Open

Alcy Monteiro Júnior, H. X. Araujo, Rafael Lima de Carvalho, Gentil Veloso Barbosa, Leonardo de Andrade Carneiro · 2025

This study aims to understand how educational robotics has been applied in basic education and what impacts it has generated on students' learning, skills, and attitudes. To this end, a systematic literature review was conducted using the …

Utilizando visão computacional para avaliação equitativa de propriedades em áreas urbanas Open

Nailson Martins Dantas Landim, H. X. Araujo, Leonardo de Andrade Carneiro, Gentil Veloso Barbosa · 2025

O objetivo do presente artigo é apresentar um estudo sobre a utilização da visão computacional baseada em IA (Inteligência Artificial) para avaliação equitativa de propriedades em áreas urbanas. Esta revisão sistemática da literatura explo…

PROPOSAL FOR AN INTERNET OF THINGS BASED SOLUTION TO MONITOR PHYSICAL FACTORS IN THE WORK ENVIRONMENT Open

H. X. Araujo, José Maia, Katiusse Kelle de Melo Soares · 2025

This article investigates the use of the Internet of Things (IoT) to monitor physical factors such as temperature, humidity, light and noise in indoor work environments, with the aim of preventing damage to the physical and mental health o…

Uno chemist: didactic game on the content of chemical elements Open

Renata Carvalho da Silva, Tiago Teixeira Alves, Alexandre Pereira Tolentino, H. X. Araujo, Zander Luís Guimarães Nascimento , et al. · 2025

Currently, there is concern regarding the teaching-learning process of some contents, such as those related to the teaching of chemistry, which are part of actions that must be carried out in high school according to the composition matrix…

PROTEÇÃO E PRIVACIDADE DOS DADOS EM SAÚDE: OS DESAFIOS EM DISPOSTIVOS INTELIGENTES DISPONIBILIZADOS PELA INTERNET DAS COISAS (IOT) Open

Mara Lucia dos Santos Costa, Mariane Moraes, Gentil Veloso Barbosa, David Nadler Prata, H. X. Araujo · 2024

A Internet das Coisas (IoT) traz novas perspectivas de cuidado e melhoria da qualidade de vida das pessoas, entretanto, é crescente a preocupação com o sigilo dos dados que trafegam na Internet a partir dos dispositivos de rede sem fio. O …

Automated Systems for Estrous and Calving Detection in Dairy Cattle Open

Camila Alves dos Santos, Nailson Martins Dantas Landim, H. X. Araujo, Tiago do Prado Paim · 2022

Purpose: The objective of this review is to describe the main technologies (automated activity monitors) available commercially and under research for the detection of estrus and calving alerts in dairy cattle. Sources: The data for the el…

Peer Review #2 of "The relationship between (sub)tropical climates and the incidence of COVID-19 (v0.1)" Open

David Nadler Prata, Waldecy Rodrigues, Paulo De Souza Bermejo, Marina Figueiredo Moreira, Wainesten Camargo , et al. · 2021

This work explores (non)linear associations between relative humidity and temperature and the incidence of COVID-19 among 27 Brazilian state capital cities in (sub)tropical climates, measured daily from summer through winter.Previous works…

Peer Review #3 of "The relationship between (sub)tropical climates and the incidence of COVID-19 (v0.2)" Open

David Nadler Prata, Waldecy Rodrigues, Paulo De Souza Bermejo, Marina Figueiredo Moreira, Wainesten Camargo , et al. · 2021

This work explores (non)linear associations between relative humidity and temperature and the incidence of COVID-19 among 27 Brazilian state capital cities in (sub)tropical climates, measured daily from summer through winter.Previous works…

Peer Review #2 of "The relationship between (sub)tropical climates and the incidence of COVID-19 (v0.2)" Open

David Nadler Prata, Waldecy Rodrigues, Paulo De Souza Bermejo, Marina Figueiredo Moreira, Wainesten Camargo , et al. · 2021

This work explores (non)linear associations between relative humidity and temperature and the incidence of COVID-19 among 27 Brazilian state capital cities in (sub)tropical climates, measured daily from summer through winter.Previous works…

The relationship between (sub)tropical climates and the incidence of COVID-19 Open

David Nadler Prata, Waldecy Rodrigues, Paulo Henrique de Souza Bermejo, Marina Figueiredo Moreira, Wainesten Camargo , et al. · 2021

This work explores (non)linear associations between relative humidity and temperature and the incidence of COVID-19 among 27 Brazilian state capital cities in (sub)tropical climates, measured daily from summer through winter. Previous work…

Controle de trajetória do quadrotor AR.Drone 2.0 via abordagens LQR e H_infinito Open

Rodrigo S. Leonello, Mateus Z. Seixas, H. X. Araujo, Bernardo Ordoñez · 2021

This article presents an experimental study of two control techniques based on the Optimal Control theory, applied to an unmanned aerial vehicle (UAV). The first technique, based on the quadratic cost function, is the LQR controller. The s…

A Literature Review about Smart Contracts Technology Open

David Nadler Prata, H. X. Araujo, Cleórbete Santos · 2021

This work begins with an explanation of fundamental concepts about Bitcoin and Blockchain and then explores the main definitions of smart contracts in the updated literature, demonstrates some categories of smart contracts, explores the mo…

Estabilização e controle do pêndulo furuta: estudo das técnicas controle H2, controle H? e LQR via LMI Open

Ângelo M. F. Moreira, Bernardo Ordoñez, H. X. Araujo · 2021

This article aims to analyse the H2 control, H ? control and linear quadratic regulator (LQR) to the rotational inverted pendulum aiming stabilization, reference tracking and disturbance rejection. Firstly it is necessary modeling the pend…

Dual‐output quasi‐Yagi antenna for out‐of‐band RF energy harvesting Open

Vinicius Santana da Silva, Humberto P. Paz, Eduardo V. V. Cambero, H. X. Araujo, Ivan R. S. Casella , et al. · 2020

Aiming to improve the SWIPT (Simultaneous Wireless Information and Power Transfer) technologies, this work proposes a novel Dual‐Output quasi‐Yagi antenna (DOQY), designed by combining a single classic quasi‐Yagi antenna (QY) and a dedicat…

Development and Characterization of Titanium Dioxide Ceramic Substrates with High Dielectric Permittivities Open

Antonio E. Freitas, Taíse Matte Manhabosco, Ronaldo J. C. Batista, Alan Kardek Rêgo Segundo, H. X. Araujo , et al. · 2020

Titanium dioxide substrates have been synthesized by means of solid-state reactions with sintering temperatures varying from 1150 °C up to 1350 °C. X-ray diffraction and scanning electron microscopy (SEM) where employed to investigate the …

Robust H∞ Control for PWM Boost Converters Subject to Aging Capacitor Conditions Open

Caio dos S. Magalhães, Bernardo Ordoñez, H. X. Araujo · 2020

Electrolytic capacitors are extensively used in DC-DC power converters and consist of a major source of concern about system reliability. Although these components are heavily affected by aging, conventional modelling and control design fo…

Aplicação da Internet das Coisas para Desenvolvimento de Ferramenta de Apoio no Monitoramento Sistemático da Umidade do Solo Open

Luiz Carlos Santos, Daiene Corado, H. X. Araujo · 2019

Identificar a umidade do solo é um fator determinante para propiciar condições satisfatórias ao desenvolvimento de qualquer sistema vegetativo cultivado. Um sistema automatizado de controle de irrigação, com base no potencial de água no so…

2.4–5.8 GHz dual-band patch antenna with FSS reflector for radiation parameters enhancement Open

Elidiane Mirella Farias Fernandes, M. W. B. Silva, Luciana da Silva Briggs, Antônio Luiz P. S. Campos, H. X. Araujo , et al. · 2019

Development of a low-cost System for Water Quality Monitoring: Bibliographic Review Open

Wilmar Borges Leal, H. X. Araujo · 2019

This work presents a practical application of a water monitoring system using the internet concept of things -Iot.The integrated water quality monitoring system for decision support, this proposal is a theoretical study for use in the Fede…

Public Security and the Internet of Things: at the Service of Community Policing Open

Leonardo de Andrade Carneiro, Lucyano Campos Martins, Wilmar Borges Leal, George Lauro Ribeiro de Brito, Gentil Veloso Barbosa , et al. · 2019

The popularization of low-cost microcontrollers has increasingly allowed the development of Internet based solutions of things -IoT, financial viability allows to apply the Internet of things in solutions that the market already has commer…

Blockchain Technology applied to Education Open

David Nadler Prata, H. X. Araujo, Cleórbete Santos · 2019

The purpose of the present work is offer an implementation of a private blockchain infrastructure for data storage, specifically the certificates of completion or participation issued by the Federal University of Tocantins, Campus Palmas-T…

Controle Preditivo Robusto com Horizonte Finito de sistemas lineares variantes no tempo Open

Ary Batista, H. X. Araujo · 2019

This work proposes a new approach for the Finite Horizon Robust Model Predictive Control (FH-RMPC) problem, for linear discrete systems with time-varying polytopic uncertainties.The basic idea of this approach is to find, in each sampling …

A C-Band Planar Metamaterial-Inspired Antenna Employing a Hexagonal Cell Periodic Structure Open

H. X. Araujo, M. W. B. Silva, Ivan R. S. Casella, Antônio Luiz P. S. Campos, Carlos E. Capovilla · 2018

In this paper, a metamaterial inspired antenna to operate in the C-band is designed, fabricated, and characterized. The structure is based on the metamaterial tripolar array, to obtain a better gain, bandwidth, and frequency resonance when…

Stable Model-Based Predictive Control for Wheeled Mobile Robots using Linear Matrix Inequalities Open

Jonatas R. Pitanga, H. X. Araujo, André G. S. Conceição, Gustavo H. C. Oliveira · 2015

This paper presents practical results from the application of a new synthesis methodology based on model predictive control (MPC) applied to a three-wheeled omnidirectional mobile robot seeking to follow pre-established trajectories. The a…

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