RSS 1.0Departamento de Engenharia Elétrica
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Optimization-Based Models for Estimating Residual Demand Curves for a Price-Maker Company
(IEEE Transactions on Power Systems, 2022) [Artigo]The Residual Demand Curve (RDC) aims to estimate the day-ahead market clearing prices given the quotas scheduled for a price-maker generation company in the market. Traditionally, this curve has been obtained by the ... -
Development of a portable corona current measuring device for high voltage detection in HVDC systems
(IEEE Transactions on Industrial Electronics, 2022) [Artigo]The purpose of this work is to present a technological alternative based on the study and development of a simple and portable electronic device to enable the detection and quantification of high voltage and polarity in ... -
Corrigendum to a gradient-based approach for solving the stochastic optimal power flow problem with wind power generation (Electric Power Systems Research (2022) 209, (S0378779622002632), (10.1016/j.epsr.2022.108038))
Souza, Rafael R.
; Balbo, Antonio R. ; Martins, André C.P. ; Soler, Edilaine M. ; Baptista, Edméa C. ; ; Nepomuceno, Leonardo (Electric Power Systems Research, 2022) [Errata]
The authors regret the mistake in the surname of one of the authors. The correct name is Diego N. Silva, and not Diego N. Sousa, as is incorrectly writhen in the final version of the paper. The authors would like to apologise ... -
A Gradient-Based Approach for Solving the Stochastic Optimal Power Flow Problem with Wind Power Generation
Souza, Rafael R.; Balbo, Antonio R. ; Martins, André C. P. ; Soler, Edilaine M. ; Baptista, Edméa C. ; ; Nepomuceno, Leonardo (Electric Power Systems Research, 2022) [Artigo]
Although wind power generation improves decarbonization of the electricity sector, its increasing penetration poses new challenges for power systems planning, operation and control. In this paper, we propose a solution ... -
A Comparative Analysis Applied to the Partial Discharges Identification in Dry-Type Transformers by Hall and Acoustic Emission Sensors
de Castro, Bruno Albuquerque; Dos Santos, Vitor Vecina ; Lucas, Guilherme Beraldi ; ; Riehl, Rudolf Ribeiro ; Andreoli, André Luiz (Sensors, 2022) [Artigo]
Dry-type insulated transformers stand out for their higher applicability in substations, high-voltage instrumentation systems, and electrical installations. In this machine, the insulation system is constituted of dielectric ... -
A new intelligent system architecture for energy saving in smart homes
Ayres, Rodrigo Moura Juvenil; Souza, Andre Nunes De ; ; ; Ikeshoji, Marco Akio ; Santana, Gustavo Vinicius (2018 13th IEEE International Conference on Industry Applications, INDUSCON 2018 - Proceedings, 2019) [Trabalho apresentado em evento]
Technologies to support the development of smarter energy systems and increase the opportunities for home energy management have increased in recent years. Through the addition of sensing, communication and drive components, ... -
Laterality and Usability: Biomechanical aspects in prehension strength
Paschoarelli, Luis Carlos; Razza, Bruno Montanari ; Lúcio, Cristina do Carmo ; Ulson, José Alfredo Covolan ; Silva, Danilo Corrêa (Advances in Usability Evaluation Part I, 2012) [Capítulo de livro]
Although technological developments in recent decades have improved the quality of life for many, a number of user interface problems still exist. There are difficulties, for example, manipulating manual instruments by ... -
Pulling strength with pinch grips: A variable for product design
Razza, Bruno Montanari; Paschoarelli, Luis Carlos ; Silva, Danilo Corrêa ; Ulson, José Alfredo Covolan ; Lucio, Cristina do Carmo (Advances in Usability Evaluation Part I, 2012) [Capítulo de livro]
Pulling with pinch grips is an action frequently used in either occupational or daily living activities, especially in situations where the object is too small, the access to the object is restricted, the use of tools is ... -
Incorporating voltage/reactive representation to short-term generation scheduling models
Nepomuceno, Leonardo; ; ; (Proceedings of the IEEE Power Engineering Society Transmission and Distribution Conference, 2002) [Trabalho apresentado em evento]
This paper proposes a methodology to incorporate voltage/reactive representation to Short Term Generation Scheduling (STGS) models, which is based on active/reactive decoupling characteristics of power systems. In such ... -
A primal–dual penalty-interior-point method for solving the reactive optimal power flow problem with discrete control variables
(International Journal of Electrical Power and Energy Systems, 2022) [Artigo]The Optimal Reactive Power Flow (ORPF) problem has been used as an important computational tool for power system planning and operation. Its mixed-discrete version (DORPF) is formulated as a non-convex, non-linear optimization ... -
Baseline-free Damage Imaging Algorithm using Spatial Frequency Domain Virtual Time Reversal
(IEEE Transactions on Industrial Informatics, 2021) [Artigo]Structural health monitoring techniques are widely used in industry applications to guarantee the integrity of several types of components. This article proposes a baseline-free damage imaging algorithm based on Spatial ... -
Environmental monitoring using drone images and convolutional neural networks
(International Geoscience and Remote Sensing Symposium (IGARSS), 2018) [Trabalho apresentado em evento]Recently, drone images have been used in a number of applications, mainly for pollution control and surveillance purposes. In this paper, we introduce the well-known Convolutional Neural Networks in the context of environmental ... -
A geometrical view for multiple gross errors detection, identification, and correction in power system state estimation
(IEEE Transactions on Power Systems, 2013) [Artigo]In this paper a geometrical approach is described to detect, identify, and recover multiple gross errors in power system state estimation. Using the classical WLS estimator, the measurement residuals is computed, and then ... -
Design of expert system for optimized protection studies against atmospheric discharges in distribution systems
(2006 IEEE PES Transmission and Distribution Conference and Exposition: Latin America, TDC'06, 2006) [Trabalho apresentado em evento]The objective of this paper consists of presenting a design of expert system that assists the procedures involved with the protection specification of transformers and equipments against atmospheric discharges, allowing ... -
Torque and speed estimator for induction motor using parallel neural networks and sensorless technology
(IECON Proceedings (Industrial Electronics Conference), 2009) [Trabalho apresentado em evento]Many electronic drivers for induction motor control are based on sensorless technologies. The proposal of this work is to present an efficient torque and speed estimator for induction motor steady state operations by using ... -
Expert systems for protection specification of transformers and equipments related to lightning
(2004 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America, 2004) [Trabalho apresentado em evento]The objective of this paper consists of presenting a design of expert system that assists the procedures involved with the protection specification of transformers and equipments against atmospheric discharges, allowing ... -
Modeling of optoelectronic devices through neuro-fuzzy architectures
Ortega, Antonio Vanderlei; Da Silva, Ivan Nunes (Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science), 2004) [Trabalho apresentado em evento]
The advantages offered by the electronic component LED (Light Emitting Diode) have caused a quick and wide application of this device in replacement of incandescent lights. However, in its combined application, the ... -
Two-stage stochastic energy procurement model for a large consumer in hydrothermal systems
; Martins, André Christóvão Pio; Soler, Edilaine Martins ; Baptista, Edméa Cássia ; Balbo, Antonio Roberto ; Nepomuceno, Leonardo (Energy Economics, 2022) [Artigo]
The Energy Procurement (EP) problem faced by a large consumer is concerned with planning the energy procurement in the various energy markets available, such that its short- and medium-term demands are met, and the risks ... -
Solving Nonsmooth and Discontinuous Optimal Power Flow problems via interior-point ℓp-penalty approach
Pinheiro, Ricardo B.N.M.; Balbo, Antonio R. ; Cabana, Tiago G. ; Nepomuceno, Leonardo (Computers and Operations Research, 2022) [Artigo]
The Nonsmooth and Discontinuous Optimal Power Flow (ND-OPF) is a large-scale, nonsmooth, discontinuous, nonconvex and multi-modal problem. In this problem, discontinuity is related to the representation of Prohibited ... -
SRM analysis for undergratuate courses
Emidio, Bruno Castanho; Junior, Luiz Gonçalves ; Creppe, Renato C. (2021 14th IEEE International Conference on Industry Applications, INDUSCON 2021 - Proceedings, 2021) [Trabalho apresentado em evento]
This work presents a didactic tool for the analysis of switched reluctance motors (SRM) using the finite element method (FEM) and using platforms known and used by undergraduate students as the Finite Element Method (FEMM). ...