Incentivo a atividade prática em engenharia elétrica: desenvolvimento de uma cadeira de rodas motorizada / Encouraging the practical activity in electrical engineering: development of a motorized wheelchair

As Instituições de Ensino Superior (IES) enfrentam grandes desafios para fornecer um ensino de qualidade para os graduandos de Engenharia Elétrica, esses desafios muitas vezes surgem devido a precariedade de laboratórios e equipamentos fundamentais para a carga horária prática do curso. A falta dessas atividades práticas acarreta na desmotivação dos graduandos, uma vez que estes só veem teoria e ficam presos a sala de aula, perdendo o estimulo pela área escolhida, chegando a desistir do curso. Nesse sentido, o projeto de extensão -  Desenvolvimento de uma cadeira motorizada com sistema de controle intuitivo para uma pessoa com deficiência motora, oferecido pelo Instituto Federal da Bahia (IFBA), campus Vitória da Conquista, busca unir a teoria com a prática, além de aproximar o graduando das tecnologias, motivando a sua permanência na instituição, contribuindo assim para a formação de um sujeito autônomo, capaz de avaliar informações e solucionar problemas vigentes a sua profissão

Mortality from gastrointestinal congenital anomalies at 264 hospitals in 74 low-income, middle-income, and high-income countries: a multicentre, international, prospective cohort study

Summary Background Congenital anomalies are the fifth leading cause of mortality in children younger than 5 years globally. Many gastrointestinal congenital anomalies are fatal without timely access to neonatal surgical care, but few studies have been done on these conditions in low-income and middle-income countries (LMICs). We compared outcomes of the seven most common gastrointestinal congenital anomalies in low-income, middle-income, and high-income countries globally, and identified factors associated with mortality. Methods We did a multicentre, international prospective cohort study of patients younger than 16 years, presenting to hospital for the first time with oesophageal atresia, congenital diaphragmatic hernia, intestinal atresia, gastroschisis, exomphalos, anorectal malformation, and Hirschsprung’s disease. Recruitment was of consecutive patients for a minimum of 1 month between October, 2018, and April, 2019. We collected data on patient demographics, clinical status, interventions, and outcomes using the REDCap platform. Patients were followed up for 30 days after primary intervention, or 30 days after admission if they did not receive an intervention. The primary outcome was all-cause, in-hospital mortality for all conditions combined and each condition individually, stratified by country income status. We did a complete case analysis. Findings We included 3849 patients with 3975 study conditions (560 with oesophageal atresia, 448 with congenital diaphragmatic hernia, 681 with intestinal atresia, 453 with gastroschisis, 325 with exomphalos, 991 with anorectal malformation, and 517 with Hirschsprung’s disease) from 264 hospitals (89 in high-income countries, 166 in middleincome countries, and nine in low-income countries) in 74 countries. Of the 3849 patients, 2231 (58·0%) were male. Median gestational age at birth was 38 weeks (IQR 36–39) and median bodyweight at presentation was 2·8 kg (2·3–3·3). Mortality among all patients was 37 (39·8%) of 93 in low-income countries, 583 (20·4%) of 2860 in middle-income countries, and 50 (5·6%) of 896 in high-income countries (p<0·0001 between all country income groups). Gastroschisis had the greatest difference in mortality between country income strata (nine [90·0%] of ten in lowincome countries, 97 [31·9%] of 304 in middle-income countries, and two [1·4%] of 139 in high-income countries; p≤0·0001 between all country income groups). Factors significantly associated with higher mortality for all patients combined included country income status (low-income vs high-income countries, risk ratio 2·78 [95% CI 1·88–4·11], p<0·0001; middle-income vs high-income countries, 2·11 [1·59–2·79], p<0·0001), sepsis at presentation (1·20 [1·04–1·40], p=0·016), higher American Society of Anesthesiologists (ASA) score at primary intervention (ASA 4–5 vs ASA 1–2, 1·82 [1·40–2·35], p<0·0001; ASA 3 vs ASA 1–2, 1·58, [1·30–1·92], p<0·0001]), surgical safety checklist not used (1·39 [1·02–1·90], p=0·035), and ventilation or parenteral nutrition unavailable when needed (ventilation 1·96, [1·41–2·71], p=0·0001; parenteral nutrition 1·35, [1·05–1·74], p=0·018). Administration of parenteral nutrition (0·61, [0·47–0·79], p=0·0002) and use of a peripherally inserted central catheter (0·65 [0·50–0·86], p=0·0024) or percutaneous central line (0·69 [0·48–1·00], p=0·049) were associated with lower mortality. Interpretation Unacceptable differences in mortality exist for gastrointestinal congenital anomalies between lowincome, middle-income, and high-income countries. Improving access to quality neonatal surgical care in LMICs will be vital to achieve Sustainable Development Goal 3.2 of ending preventable deaths in neonates and children younger than 5 years by 2030

Projeto e controle de um sistema de aquecimento no Laboratório de Avaliação de Medição em Petróleo

The Oil Measurement Evaluation Laboratory (LAMP), located in the Federal University of Rio Grande do Norte (UFRN), has as main goal to evaluate &#64258;ow and BS&W meters, where the simulation of a bigger number of operation variable in &#64257;eld, guarantees a less uncertain evaluation. The objective of this work is to purpose a heating system design and implementation, which will control the temperature safely and ef&#64257;ciently in order to evaluate and measure it. Temperature is one of the variables which in&#64258;uence the &#64258;ow and BS&W accurate measurement, directly affecting the &#64258;uid viscosity and density in the experiment. To project the heating system it is of great importance to take the laboratory requirements, conditions and current restrictions into consideration. Three alternatives were evaluated: heat exchanger, internal resistance and external resistance. After the analyses are made in order to choose the best alternative for the heating system in the laboratory, control strategies were determined for it, PID control methods in combination with fuzzy logic were used. Results showed a better performance with fuzzy logic than with classic PIDO Laboratório de Avaliação de Medição em Petróleo (LAMP) da Universidade Federal Rio Grande do Norte (UFRN) tem como meta principal avaliar medidores de vazão e BS&W,em que a utilização de um maior número de variáveis de operação garante uma avaliação com menor porcentagem de incertezas. O objetivo deste trabalho foi projetar e implementar um sistema de aquecimento que dará cobertura ao controle de temperatura, de forma segura e e&#64257;ciente, para &#64257;ns de avaliação e medição. A temperatura é uma das variáveis que exerce in&#64258;uência na hora de medir com exatidão a vazão e BS&W, afetando diretamente a viscosidade e a densidade do &#64258;uido. Para projetar o sistema de aquecimento foi de vital importância os requisitos do laboratório, como condições e restrições atuais. Três alternativas foram avaliadas: trocador de calor, resistências externas e resistências internas. Depois da análise feita, a &#64257;m de escolher a melhor alternativa para o sistema de aquecimento do laboratório, foram determinadas estratégias de controle para o mesmo. Técnicas de controle PID combinadas com lógica Fuzzy foram implementadas. Os resultados mostraram um melhor desempenho desta estratégia de controle comparada com um PID clássic

Inteligencia Artificial - IS229 - 202101

Descripción La inteligencia artificial, en estos últimos tiempos, ha sido resaltada por la comprensión colectiva de que ella es la base para el futuro de la informática. Hasta el momento, en el mundo, muchas son las aplicaciones existentes de inteligencia artificial que han resuelto problemas complejos, generando así ganancias de toda índole. La inteligencia artificial puede dividirse en dos áreas principales relacionadas con la inteligencia humana. La primera trata sobre los temas que tienen que ver con su proceso habitual: Robótica, visión, lenguaje natural y planeamiento. La segunda tiene que ver con el proceso del razonamiento, la misma que integra a aquellos humanos que han adquirido conocimiento sobre alguna materia hasta el punto de haber logrado cierto grado de automatización. En inteligencia artificial, esta área está cubierta por los sistemas expertos. Los sistemas expertos, también llamados sistemas basados en el conocimiento, utilizan algunos métodos para representar el gran conocimiento de los expertos humanos, y utilizan también ciertos mecanismos que permiten que este conocimiento pueda ser manejado de una forma eficiente. Propósito El presente curso busca que el estudiante desarrolle habilidades que le permitan conocer las formas para representar el conocimiento experto y los métodos que se utilizan para manejarlo, y todo orientado en base de las representaciones y métodos que brinda la inteligencia artificial. El curso contribuye al desarrollo de la competencia general de Razonamiento cuantitativo y a la competencia especifica de ABET 1: La capacidad de identificar, formular y resolver problemas complejos de ingeniería aplicando los principios de ingeniería, ciencia y matemática, ambas en nivel 2. El curso tiene como requisito haber llevado simulación de sistemas para la carrera de ingeniería de sistemas y sistemas operativos para la carrera de redes y comunicaciones. ABET: Accreditation Board for Engineering and Technology

Informe sobre Inflación - Julio de 2019

Actualmente el Banco de la República se encuentra en el proceso de modernizar su informe sobre inflación con el objeto de mejorar la comunicación del análisis de la coyuntura y el pronóstico de la economía. Para tal efecto, a partir del siguiente Informe (octubre), la estructura será la siguiente: 1. Resumen 2. Pronósticos macroeconómicos 2.1 Contexto externo 2.1.1 Demanda externa 2.1.2 Precios externos 2.1.3 Mercados financieros internacionales 2.2 Contexto interno 2.2.1 Inflación 2.2.2 Actividad económica 2.2.3 Balanza de pagos 3. Situación económica actual 3.1 Comportamiento de la inflación y precios 3.2 Crecimiento y demanda interna 3.2.1 El PIB por el lado del gasto 3.2.2 El PIB por el lado de la oferta e indicadores sectoriales 3.3 Mercado laboral 3.4 Mercado monetario y financiero El presente Informe (julio) es una versión transitoria y parcial del documento en su nuevo formato.Recuadro 1. Dinámica del consumo público en 2019. Autores: Juan José Ospina - Juan Sebastián CorralesRecuadro 2. Comportamiento reciente del PIB de la construcción y perspectivas para 2019. Autores: Juan Pablo Cote - Sergio RestrepoRecuadro 3. Efectos en el mercado laboral colombiano de la reciente migración desde Venezuela. Autores: José David Pulid

Inflation Report - June 2019

Banco de la República is currently in the process of modernizing its Inflation Report with the goal of communicating an analysis of economic conditions and forecasts for the economy in a better way. For that reason, as of the October edition, the report will be structured as follows: 1. Summary 2. Macroeconomic Forecasts 2.1 The External Context 2.1.1 External Demand 2.1.2 External Prices 2.1.3 International Financial Markets 2.2 The Domestic Context 2.2.1 Inflation 2.2.2 Economic Activity 2.2.3 Balance of Payments 3. The Current Economic Situation 3.1 Behavior of Inflation and Prices 3.2 Growth and Domestic Demand 3.2.1 GDP with respect to Spending 3.2.2 GDP on the Supply Side and Sector Indicators 3.3 The Labor Market 3.4 The Monetary and Financial Market This report (July) is a temporary and partial version of the document in its new format. Juan José Echavarría GovernorBanco de la República is currently in the process of modernizing its Inflation Report with the goal of communicating an analysis of economic conditions and forecasts for the economy in a better way. For that reason, as of the October edition, the report will be structured as follows: 1. Summary 2. Macroeconomic Forecasts 2.1 The External Context 2.1.1 External Demand 2.1.2 External Prices 2.1.3 International Financial Markets 2.2 The Domestic Context 2.2.1 Inflation 2.2.2 Economic Activity 2.2.3 Balance of Payments 3. The Current Economic Situation 3.1 Behavior of Inflation and Prices 3.2 Growth and Domestic Demand 3.2.1 GDP with respect to Spending 3.2.2 GDP on the Supply Side and Sector Indicators 3.3 The Labor Market 3.4 The Monetary and Financial Market This report (July) is a temporary and partial version of the document in its new format. Juan José Echavarría Governo

XVII International Congress of Control Electronics and Telecommunications: "Advanced Science, Technology and Innovation to move towards a new socio-technical system: Sustainable Social Transformation"

Contenido: Approach to the diagnostic of cesarean birth using bio-inspired models. ; Design of a tool in a virtual reality environment to manipulate anatomical models. ; The effect of COVID-19 restrictions on the electricity price forecasting models. ; Depression prevention through artificial intelligence. ; State of the art in Prototypes as complements to the learning of the Colombian Sign Language (LSC). ; A computational proposal for gene expression deterministic analysis in associated disorders to depression and anxiety. ; Evaluation of postural stability from the predictability of the measurement of the center of pressure. ; Psychophysiological Analysis of Sound Stimuli.; Delphi method for the identification of relevant variables in the development of low-power photovoltaic solar projects. ; Socioeconomic impact of a refrigerator powered by a photovoltaic system in La Guajira. ; Energy Efficiency: characteristics that allow the reduction of greenhouse gases in. ; Possibilities for the implementation of a bioreactor from organic waste. ; Energy Potential with Small Hydroelectric Power Plants in Non- interconnected Zones of Colombia. ; Energy Potential in Photovoltaic Solar Solutions in Non-Interconnected Areas of Colombia. ; Photovoltaic system, towards the energy transition from home. ; Blockchain model to increase the transparency of public sector processes. ; Intelligent agricultural irrigation prescription system based on sensor networks and crop modeling. ; Design and implementation of a digital modulation classification system using intelligent algorithms. ; A mobile application proposal to minimize intermediation during agricultural process distribution of products in supply chain. ; Accompanying strategy for the social appropriation of new technologies in vulnerable agricultural communities: case in communities producing Gulupas fruits (Passiflora edulis Sims). ; Predictive model of transparency as an indicator of Public Policies. ; Smart system for recognition of ripening level in blackberry fruits. ; Project-based learning as an alternative methodology for technological education in electronics. ; Design and construction of an automated system for N. ; Four bar mechanisms (FBM) and their Software-Based applications: a reviewFT aquaponic culture of Red Carp and Crespa Lettuce. ; Intelligent search implementation for the construction of states of the art: a python application. ; Indoor and Outdoor propagation models on 5G environments: state of the art. ;The electronic detection of offenders (DOO) in the District Secretary of mobility of Bogotá: a step forward in the configuration of the concept of digital citizenship in Colombia. ; Monitoring through ICT of Mobility: technological collaborative feature to incorporate IoT in a Smart City. ; Characterization model of asphalt mixtures using digital image processing. ; Review: identification of diseases and/or pests in fruit trees through image processing techniques and artificial intelligence. ; VRS applicated to Nasa Yuwe language. ; Application of Pix2Pix for edge reconstruction in images. ; Brushless DC Motor Control System for Active Myoelectric Prosthesis. ; Implementation of a Water Conductivity Measuring System. ; 2 DOF robot programmed with MatLab® (guide and Peter Corke) and Arduino uno for writing alphabetical characters. ; Simulator of the behavior of the center of mass in a quadruped robot. ; Biomimetic prototype for flapping movement of batsContent: Contenido: Approach to the diagnostic of cesarean birth using bio-inspired models. ; Design of a tool in a virtual reality environment to manipulate anatomical models. ; The effect of COVID-19 restrictions on the electricity price forecasting models. ; Depression prevention through artificial intelligence. ; State of the art in Prototypes as complements to the learning of the Colombian Sign Language (LSC). ; A computational proposal for gene expression deterministic analysis in associated disorders to depression and anxiety. ; Evaluation of postural stability from the predictability of the measurement of the center of pressure. ; Psychophysiological Analysis of Sound Stimuli.; Delphi method for the identification of relevant variables in the development of low-power photovoltaic solar projects. ; Socioeconomic impact of a refrigerator powered by a photovoltaic system in La Guajira. ; Energy Efficiency: characteristics that allow the reduction of greenhouse gases in. ; Possibilities for the implementation of a bioreactor from organic waste. ; Energy Potential with Small Hydroelectric Power Plants in Non- interconnected Zones of Colombia. ; Energy Potential in Photovoltaic Solar Solutions in Non-Interconnected Areas of Colombia. ; Photovoltaic system, towards the energy transition from home. ; Blockchain model to increase the transparency of public sector processes. ; Intelligent agricultural irrigation prescription system based on sensor networks and crop modeling. ; Design and implementation of a digital modulation classification system using intelligent algorithms. ; A mobile application proposal to minimize intermediation during agricultural process distribution of products in supply chain. ; Accompanying strategy for the social appropriation of new technologies in vulnerable agricultural communities: case in communities producing Gulupas fruits (Passiflora edulis Sims). ; Predictive model of transparency as an indicator of Public Policies. ; Smart system for recognition of ripening level in blackberry fruits. ; Project-based learning as an alternative methodology for technological education in electronics. ; Design and construction of an automated system for N. ; Four bar mechanisms (FBM) and their Software-Based applications: a reviewFT aquaponic culture of Red Carp and Crespa Lettuce. ; Intelligent search implementation for the construction of states of the art: a python application. ; Indoor and Outdoor propagation models on 5G environments: state of the art. ;The electronic detection of offenders (DOO) in the District Secretary of mobility of Bogotá: a step forward in the configuration of the concept of digital citizenship in Colombia. ; Monitoring through ICT of Mobility: technological collaborative feature to incorporate IoT in a Smart City. ; Characterization model of asphalt mixtures using digital image processing. ; Review: identification of diseases and/or pests in fruit trees through image processing techniques and artificial intelligence. ; VRS applicated to Nasa Yuwe language. ; Application of Pix2Pix for edge reconstruction in images. ; Brushless DC Motor Control System for Active Myoelectric Prosthesis. ; Implementation of a Water Conductivity Measuring System. ; 2 DOF robot programmed with MatLab® (guide and Peter Corke) and Arduino uno for writing alphabetical characters. ; Simulator of the behavior of the center of mass in a quadruped robot. ; Biomimetic prototype for flapping movement of bat

Characterisation of microbial attack on archaeological bone

As part of an EU funded project to investigate the factors influencing bone preservation in the archaeological record, more than 250 bones from 41 archaeological sites in five countries spanning four climatic regions were studied for diagenetic alteration. Sites were selected to cover a range of environmental conditions and archaeological contexts. Microscopic and physical (mercury intrusion porosimetry) analyses of these bones revealed that the majority (68%) had suffered microbial attack. Furthermore, significant differences were found between animal and human bone in both the state of preservation and the type of microbial attack present. These differences in preservation might result from differences in early taphonomy of the bones. © 2003 Elsevier Science Ltd. All rights reserved

Evaluation of a quality improvement intervention to reduce anastomotic leak following right colectomy (EAGLE): pragmatic, batched stepped-wedge, cluster-randomized trial in 64 countries

Background Anastomotic leak affects 8 per cent of patients after right colectomy with a 10-fold increased risk of postoperative death. The EAGLE study aimed to develop and test whether an international, standardized quality improvement intervention could reduce anastomotic leaks. Methods The internationally intended protocol, iteratively co-developed by a multistage Delphi process, comprised an online educational module introducing risk stratification, an intraoperative checklist, and harmonized surgical techniques. Clusters (hospital teams) were randomized to one of three arms with varied sequences of intervention/data collection by a derived stepped-wedge batch design (at least 18 hospital teams per batch). Patients were blinded to the study allocation. Low- and middle-income country enrolment was encouraged. The primary outcome (assessed by intention to treat) was anastomotic leak rate, and subgroup analyses by module completion (at least 80 per cent of surgeons, high engagement; less than 50 per cent, low engagement) were preplanned. Results A total 355 hospital teams registered, with 332 from 64 countries (39.2 per cent low and middle income) included in the final analysis. The online modules were completed by half of the surgeons (2143 of 4411). The primary analysis included 3039 of the 3268 patients recruited (206 patients had no anastomosis and 23 were lost to follow-up), with anastomotic leaks arising before and after the intervention in 10.1 and 9.6 per cent respectively (adjusted OR 0.87, 95 per cent c.i. 0.59 to 1.30; P = 0.498). The proportion of surgeons completing the educational modules was an influence: the leak rate decreased from 12.2 per cent (61 of 500) before intervention to 5.1 per cent (24 of 473) after intervention in high-engagement centres (adjusted OR 0.36, 0.20 to 0.64; P &lt; 0.001), but this was not observed in low-engagement hospitals (8.3 per cent (59 of 714) and 13.8 per cent (61 of 443) respectively; adjusted OR 2.09, 1.31 to 3.31). Conclusion Completion of globally available digital training by engaged teams can alter anastomotic leak rates. Registration number: NCT04270721 (http://www.clinicaltrials.gov)