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No dia 25 de Setembro de 2023, faremos a migração do Repositório Institucional para a versão 7.6 do sistema DSpace. Por este motivo, o Repositório Institucional ficará indisponível neste dia. Contamos com a compreensão de todos.
Artigos - Engenharia Elétrica - FEIS
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Development of a Short-Term Electrical Load Forecasting in Disaggregated Levels Using a Hybrid Modified Fuzzy-ARTMAP Strategy
Fernández, Leonardo Brain García
; Lotufo, Anna Diva Plasencia ; Minussi, Carlos Roberto (Energies, 2023) [Artigo]
In recent years, electrical systems have evolved, creating uncertainties in short-term economic dispatch programming due to demand fluctuations from self-generating companies. This paper proposes a flexible Machine Learning ... -
Design of a mixed ℋ2/ℋ∞ gain scheduling state derivative feedback controller for linear parameter-varying systems
Beteto, Marco Antonio Leite; Assunção, Edvaldo ; Teixeira, Marcelo Carvalho Minhoto (International Journal of Systems Science, 2023) [Artigo]
In this paper, the mixed (Formula presented.) guaranteed cost for continuous-time linear parameter-varying (LPV) systems is proposed. In addition, the gain scheduling (GS) strategy and the state derivative feedback (SDF) ... -
Novel Landslide Susceptibility Mapping Based on Multi-criteria Decision-Making in Ouro Preto, Brazil
Mantovani, José Roberto; ; Alcântara, Enner ; ; Cunha, Ana Paula ; Londe, Luciana ; Massi, Klécia ; Marengo, Jose A. (Journal of Geovisualization and Spatial Analysis, 2023) [Artigo]
Weather-related disasters have caused widespread deaths and economic losses in developing countries, including Brazil. Frequent floods and landslides in Brazil are mostly climatic driven, often aggravated by human activities ... -
Deadly disasters in southeastern South America: flash floods and landslides of February 2022 in Petrópolis, Rio de Janeiro
Alcantara, Enner; Marengo, José A. ; Mantovani, José ; Londe, Luciana R. ; ; ; ; ; Mendes, Tatiana ; Cunha, Ana Paula et al. (Natural Hazards and Earth System Sciences, 2023) [Artigo]
On 15 February 2022, the city of Petrópolis in the highlands of the state of Rio de Janeiro, Brazil, received an unusually high volume of rain within 3 h (258 mm), generated by a strongly invigorated mesoscale convective ... -
Alternative Current Injection Newton and Fast Decoupled Power Flow
; Bonini Neto, Alfredo; Alves, Dilson Amancio ; Minussi, Carlos Roberto ; (Energies, 2023) [Artigo]
This article presents an alternative Newton-Raphson power flow method version. This method has been developed based on current injection equations formulated in polar coordinates. Likewise, the fast decoupled power flow, ... -
An Output-Feedback Design Approach for Robust Stabilization of Linear Systems With Uncertain Time-Delayed Dynamics in Sensors and Actuators
Sereni, Bruno; ; Assuncao, Edvaldo ; Teixeira, Marcelo Carvalho Minhoto (IEEE Access, 2023) [Artigo]
In this paper, we propose a control approach for the robust stabilization of linear time-invariant (LTI) systems with non-negligible sensor and actuator dynamics subject to time-delayed signals. Our proposition is based ... -
New Stabilization Conditions for Fuzzy-Based Sampled-Data Control Systems Using a Fuzzy Lyapunov Functional
Oncoy, Dante J. S.; Cardim, Rodrigo ; Teixeira, Marcelo C. M. ; Faria, Flavio A. ; Assuncao, Edvaldo ; Lazarini, Adalberto Z. N. (IEEE Access, 2023) [Artigo]
This paper focuses on the stabilization problem of Takagi-Sugeno fuzzy systems via a sampled-data controller using a fuzzy dependent functional. By employing a property of convex combination, a new approach to deal with ... -
The Impact of Transmission Line Modeling on Lightning Overvoltage
; ; ; ; Kurokawa, Sérgio (Energies, 2023) [Artigo]
In most of the work that investigates the backflashover phenomenon due to direct lightning strikes, using EMT-type simulators, transmission lines are represented by the J. Marti model and the ground effect is computed ... -
Harmonic grounding impedance of rods in horizontally stratified soils using ABCD-matrix approach
; ; ; Kurokawa, Sérgio; (e-Prime - Advances in Electrical Engineering, Electronics and Energy, 2023) [Artigo]
Grounding electrodes play a fundamental role in the operation of power systems. In this context, precise computation of grounding impedance must consider the frequency-dependence of the soil parameters and the ground ... -
Impact of Volumetric Water Content and Porosity on Transmission Lines Submitted to Energization and Lightning Strikes
Pascoalato, Taina F. G.; ; Kurokawa, Sérgio ; (2022 Workshop on Communication Networks and Power Systems, WCNPS 2022, 2022) [Trabalho apresentado em evento]
This paper investigates the impact of the improved Archie's model for soil resistivity considering the volumetric water content and porosity on the transient responses developed for energization and a lightning strike ... -
A strategy to enhance the distribution systems recoverability via the simultaneous coordination of planning actions and operational resources
Home-Ortiz, Juan M.; Melgar-Dominguez, Ozy D. ; ; ; Mantovani, José Roberto Sanches ; (International Journal of Electrical Power and Energy Systems, 2023) [Artigo]
This paper presents a planning and operational strategy to improve the recoverability of distribution systems (DSs) to deal with a set of possible line fault scenarios. The strategy simultaneously optimizes the allocation ... -
Implementation of an Alternative Frequency-Dependent Three-Phase Transmission Line Model Based on the Folded Line Equivalent Model in MatLab-Simulink
; ; ; ; Kurokawa, Sérgio (Energies, 2022) [Artigo]
This paper proposes an alternative multiconductor transmission line model that combines the folded line equivalent with the modal transformation. The folded line equivalent decomposes the nodal admittance matrix of a ... -
AC Multi-Stage Transmission Network Expansion Planning considering a Multi-Voltage Approach
; ; ; ; ; Romero, Ruben R. (IEEE PES Innovative Smart Grid Technologies Conference Europe, 2022) [Trabalho apresentado em evento]
Long-term transmission network expansion planning aims to determine where, when and which types of equipment should be installed over a period of time, in order to meet the electric market needs with certain specifications ... -
Optimal Planning of Electric Vehicles Energy Exchange in Parking Lots Considering Uncertainties
; ; ; ; ; ; Romero, Ruben R. (IEEE PES Innovative Smart Grid Technologies Conference Europe, 2022) [Trabalho apresentado em evento]
With the growing concern for energy conservation and environmental protection around the world, the use of Electric Vehicles (EVs) is being encouraged. In this way, the optimum allocation of EVs' parked in a distribution ... -
IMPROVED BIASED RANDOM KEY GENETIC ALGORITHM FOR THE TWO-DIMENSIONAL NON-GUILLOTINE CUTTING PROBLEM
de Oliveira, Eliane Vendramini; Romero, Rubén (Pesquisa Operacional, 2022) [Artigo]
The two-dimensional cutting problem has a direct relationship with industry problems. There are several proposals to solve these problems. In particular, solution proposals using metaheuristics are the focus of this research. ... -
Artificial Neural Networks: Multilayer Perceptron and Radial Basis to Obtain Post-Contingency Loading Margin in Electrical Power Systems
Bonini Neto, Alfredo; Alves, Dilson Amancio ; Minussi, Carlos Roberto (Energies, 2022) [Artigo]
This paper presents the ANN (Artificial Neural Networks) approach to obtaining complete P-V curves of electrical power systems subjected to contingency. Two networks were presented: the MLP (multilayer perceptron) and the ... -
Synthesis, Application and Effect of Hybrid Nanocomposites Based on Hydrogel and Nanoclay in Cement-Mortars
; Higuti, Ricardo Tokio; Moura, Marcia Regina de ; Aouada, Fauze Ahmad (Polymers, 2022) [Artigo]
Hybrid nanocomposite hydrogels, as admixtures for internal curing of cementitious materials, have been widely studied. This study analyzes the effect of applying 0.5% (wt/wt cement) of pre-soaked hydrogels based on ... -
Influence of Frequency-Dependent Soil Models with Variable Water Content on Transient Responses of Overhead Transmission Lines
Pascoalato, Taina Fernanda Garbelim; ; Kurokawa, Sergio ; (IEEE Power and Energy Society General Meeting, 2022) [Trabalho apresentado em evento]
This paper provides a short review and a comparison of three soil models, Scott (S), Longmire-Smith (LS) and Messier (M), where the effect of variation of water content on its frequency-dependent electrical parameters are ... -
3SSC-A-Based Step-Down DC–DC Converters: Analysis, Design and Experimental Validation
Souza, Lucas Carvalho; ; Seixas, Falcondes José Mendes de ; Arenas, Luis De Oro (Energies, 2022) [Artigo]
This paper proposes two non-isolated step-down DC–DC converters based on the type-A three-state switching cell (3SSC-A), resulting in an alternative to the buck and buck-boost classical converters, respectively. The proposed ... -
Distribution System Planning Considering Non-Utility-Owned Electric Vehicle Charging Stations
Mejia, Mario A.; MacEdo, Leonardo H. ; ; ; Padilha-Feltrin, Antonio (SEST 2022 - 5th International Conference on Smart Energy Systems and Technologies, 2022) [Trabalho apresentado em evento]
This article proposes a new mixed-integer linear programming formulation for the planning of active distribution networks and non-utility-owned electric vehicle charging stations (EVCSs). The approach uses multi-objective ...