Artigos - Engenharia Elétrica - FEG
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The Evolution of Knowledge and Trends within the Building Energy Efficiency Field of Knowledge
(Energies, 2022) [Resenha]The building sector is responsible for 50% of worldwide energy consumption and 40% of CO2 emissions. Consequently, a lot of research on Building Energy Efficiency has been carried out over recent years, covering the most ... -
Guidelines for efficient and sustainable energy management in hospital buildings
(Journal of Cleaner Production, 2021) [Artigo]The increasing global consumption of energy and its negative impacts on the environment has been an issue discussed both by academics and practitioners, including in the health sector. Hospitals are major consumers of ... -
Using design of experiments in the evaluation of the microstructural characterization parameters with the LePera reagent in a multiphase steel
(Materials Research Express, 2021) [Artigo]The performance of multiphase steels is closely related to their microconstituents. Thus, the characterization and effective control of the microstructure of these materials are crucial, and chemical attack processes are ... -
Initial study of an alternative technology aimed at measuring and controlling the flow rate in air conditioning ducts
(Advances in Mechanical Engineering, 2021) [Artigo]This paper states that there might have around 1000 small size business jets (until nine occupants) flying across the world equipped with flow control and regulating shut-off valves that uses hot wire anemometer devices ... -
Building new paths for responsible solid waste management
(Environmental Monitoring and Assessment, 2021) [Artigo]The amount of solid waste produced across the planet in the past decade was 1.3 billion tons (1.2 kg/year per person). Also, the significant number of publications on solid waste management (SWM) draws attention to the ... -
The Positive Impacts of Sustainability in the Community
(IEEE Potentials, 2021) [Artigo]The Brazilian electric power matrix has always been profoundly dependent on hydroelectric power plants. According to the 2019 decennial plan by the Energy Research Company (EPE, in Portuguese), 60% of the instal led power ... -
Saving energy by changing the tariff structure and applying flag fees in Brazil
(2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018, 2018) [Trabalho apresentado em evento]Trying to mitigate the crisis in the energy sector in the last few years, the Brazilian government implemented tariff flags, which increase the power bills in several areas. Alternative analyses of the power consumption ... -
Education for energy efficiency through an educational game
(Proceedings - Frontiers in Education Conference, FIE, 2013) [Trabalho apresentado em evento]This paper presents an assessment of an educational game for teaching the efficient use of electricity. Developed with Adobe Flash®, it is a virtual board game where participants choose a car that starts the path and reaches ... -
Stepping motor driven constant-shear-rate rotating viscometer
(Conference Record - IEEE Instrumentation and Measurement Technology Conference, 2004) [Trabalho apresentado em evento]Despite the frequent use of stepping motors in robotics, automation and in a variety of precision instruments, they can hardly be found in rotational viscometers. This paper proposes the use of a stepping motor to drive ... -
A CMOS class-AB instrumentation amplifier for micropower applications
(European Solid-State Circuits Conference, 1998) [Trabalho apresentado em evento]A simple micropower CMOS instrumentation amplifier comprising a double-input Gm-stage and a low-distortion class-AB output stage is presented. The amplifier was designed according to micropower techniques to achieve high ... -
Power performance evaluation of an electric home fan with triac-based automatic speed control system
(19th IMEKO World Congress 2009, 2009) [Trabalho apresentado em evento]In order to provide a low cost system of thermal comfort, a common model of home fan, 40 cm diameter size, had its manual four-button control system replaced by an automatic speed control. The new control system has a ... -
Portable MP3 player as low-cost data logger
(19th IMEKO World Congress 2009, 2009) [Trabalho apresentado em evento]Non-audio signals have been recorded in the flash ROM memory of a portable MP3 player, in WAV format file, to examine the possibility of using these cheap and small instruments as general-purpose portable data loggers. A ... -
Automatic tuning of linearly tunable high-Q filters
(Proceedings - IEEE International Symposium on Circuits and Systems, 2002) [Artigo]A new tuning scheme for linearly tunable high-Q filters is proposed. The tuning scheme uses the phase information for both frequency and Q factor tuning, therefore no relationship between filter's passband magnitude and Q ... -
Smart & Integrated Management System - Smart Cities, Epidemiological Control Tool Using Drones
(2020 Ieee Aerospace Conference (aeroconf 2020), 2020) [Trabalho apresentado em evento]This paper describes the development of a real application using Drones over urban regions to help the authorities at epidemiological control through a disruptive solutions based on a customizable Smart & Integrated ... -
Groundwater and the water-food-energy nexus: The grants for water resources use and its importance and necessity of integrated management
(Land Use Policy, 2021) [Artigo]According to the Brazilian National Water Resources Policy, water is a limited public good, and its management involves the participation of public authorities, users, and communities. This paper analyzes data on groundwater ... -
MODELOS COMPUTACIONAIS FUZZY PARA AVALIAR EFEITOS DA POLUIÇÃO DO AR EM CRIANÇAS
(Revista Paulista de Pediatria, 2017) [Artigo] -
The use of technology for the growth of the sustainability concept inside community
(2020 IEEE Global Humanitarian Technology Conference, GHTC 2020, 2020) [Trabalho apresentado em evento]The Ponto Iluminadoinitiative consists of a wide range of technical actions in the areas of clean energy generation, energy efficiency, solid waste management and water savings together, creating a virtuous cycle of ... -
Monitoring the process mean with an ATTRIVAR chart
(Communications in Statistics - Theory and Methods, 2020) [Artigo]In this article, we propose an ATTRIVAR chart to control the process mean. With the ATTRIVAR chart, the sampling is performed in two stages, collecting attribute and variable sample data from the same sample (attribute ... -
Spaces of interdisciplinary in/congruity: the coming together of engineers and social scientists in planning for sustainable urban environments
(International Journal of Urban Sustainable Development, 2020) [Artigo]In the context of a globalised interdisciplinary moment, where boundary-crossing research collaborations are valorised, this paper considers encounters between multidisciplinary researchers. Presenting empirics and reflections ... -
Solar-powered Hydrogen Refueling Stations: A techno-economic analysis
(International Journal of Hydrogen Energy, 2019) [Artigo]Fuel cell vehicles are a possible alternative for allowing a replacement of fossil-fuel based transportation. Thereby, this work's methodology proposes a Hydrogen Refueling Station (HRS) design powered by a photovoltaic ...