RSS 1.0Artigos - Engenharia Elétrica - FEIS
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A Mixed Integer Conic Model for Distribution Expansion Planning: Matheuristic Approach
Home Ortiz, Juan Manoel
; ; ; Mantovani, José Roberto Sanches (Transactions on Smart Grids, 2020) [Artigo]
This paper presents a mixed-integer conic programming model (MICP) and a hybrid solution approach based on classical and heuristic optimization techniques, namely matheuristic, to handle long-term distribution systems ... -
Fast charging stations placement methodology for electric taxis in urban zones
Morro-Mello, Igoor; Padilha-Feltrin, Antonio ; ; (Energy, 2019) [Artigo]
In recent years, as a policy to increase penetration of electric vehicles and reduce air pollution, the number of electric taxis has increased in the transportation networks. In contrast to private electric vehicles, ... -
Wide dynamic range quadrature interferometer with high-gain approach and sliding mode control
Felão, Luiz H.V.; Martin, Roberta I. ; ; Teixeira, Marcelo C.M. ; Kitano, Cláudio (Optics Express, 2019) [Artigo]
The present work concerns with the modeling, development and application of a novel control strategy based on sliding mode control for two beam quadrature interferometers, with the high-gain approach. In this case, by ... -
Optimization of tower-footing grounding impedance for guyed-V transmission towers
de Araújo, Anderson R.J.; Kurokawa, Sérgio ; ; (Electric Power Systems Research, 2019) [Artigo]
Backflashover is one of the mechanisms by which lightning strikes can cause outages/damages in power systems. In this context, the tower-footing grounding system of transmission towers has an essential role for mitigating ... -
Automatic restoration of large-scale distribution networks with distributed generators, voltage control devices and heating loads
Peralta, Renzo Amilcar Vargas; Leite, Jonatas Boás ; Mantovani, José Roberto Sanches (Electric Power Systems Research, 2019) [Artigo]
Energy supply interruption by permanent faults causes economic and social problems, dissatisfaction of customers and penalization to electrical power distribution companies. In the procedure to restore distribution networks, ... -
Modeling, simulation, experimentation, and compensation of temperature effect in impedance-based shm systems applied to steel pipes
Antunes, Rothschild A.; ; ; Vieira Filho, Jozue (Sensors (Switzerland), 2019) [Artigo]
Pipelines have been widely used for the transportation of chemical products, mainly those related to the petroleum industry. Damage in such pipelines can produce leakage with unpredictable consequences to the environment. ... -
Derivative Feedback Control for a Class of Uncertain Linear Systems Subject to Actuator Saturation
; ; Teixeira, Marcelo Carvalho Minhoto; Assunção, Edvaldo ; Cardim, Rodrigo ; (Journal of Control, Automation and Electrical Systems, 2019) [Artigo]
This manuscript considers a class of linear systems with time-invariant uncertainties, where only the derivative of the state vector is considered for feedback. In this scenario, the proposed strategy uses auxiliary dynamics, ... -
Digital control system for two-beam optical interferometry using variable structure and sliding modes method
Lyra, Stephany S.; Martin, Roberta I. ; ; ; Teixeira, Marcelo C.M. ; Kitano, Claudio (Proceedings of SPIE - The International Society for Optical Engineering, 2019) [Trabalho apresentado em evento]
Laser interferometry is recognized as an extremely sensitive measurement technique, capable of detecting quantities that conventional sensors usually cannot. However, such advantage also brings a challenge, the interferometer ... -
Optimal power flow problem considering multiple-fuel options and disjoint operating zones: A solver-friendly MINLP model
; ; ; ; Mantovani, José Roberto Sanches (International Journal of Electrical Power and Energy Systems, 2019) [Resenha]
This paper proposes a solver-friendly model for disjoint, non-smooth, and nonconvex optimal power flow (OPF) problems. The conventional OPF problem is considered as a nonconvex and highly nonlinear problem for which finding ... -
Fuzzy interval optimal control problem
Campos, José Renato; Assunção, Edvaldo ; Silva, Geraldo Nunes ; ; Teixeira, Marcelo Carvalho Minhoto ; Maqui-Huamán, Gino Gustavo (Fuzzy Sets and Systems, 2019) [Artigo]
This paper proposes the discrete-time fuzzy interval optimal control problem via single-level constrained fuzzy arithmetic. Fuzzy interval functions are established and allow us to evaluate the dynamics of the fuzzy interval ... -
Using circuit elements to represent the distributed parameters of a grounding system under lightning strokes
; Kurokawa, Sérgio (Electric Power Systems Research, 2019) [Artigo]
This work presents a proposal to represent electrical grounding systems directly in the time domain. The advantage in using this type of representation is that voltage and current are better understood in this domain, and ... -
Direct Design of Controllers Using Complementary State and State-Derivative Feedback
; ; Teixeira, Marcelo Carvalho Minhoto; Assunção, Edvaldo (Journal of Control, Automation and Electrical Systems, 2019) [Artigo]
This paper is concerned with controllers design using complementary state and state-derivative feedback, as an extension of the work presented in Rossi et al. (in: Proceedings of XXI Congresso Brasileiro de Automática, ... -
Interferometric characterization of an XY piezoeletric nanopositioner: Linearity9 Hysteresis and frequency response
Martinez, Guilherme Alves; ; ; Higuti, Ricardo Tokio ; ; Kitano, Claudio (2018 13th IEEE International Conference on Industry Applications, INDUSCON 2018 - Proceedings, 2019) [Trabalho apresentado em evento]
Piezoelectric motors have been considered successors of electromagnetic motors in areas such as robot joints, high precision machines, micro robots, and MEMS (Micro-Electro-Mechanical Systems). The main interest in this ... -
High voltage optical sensor insulation using PLA (Polylactic Acid)
; Martinez, Guilherme Alves; ; Higuti, Ricardo Tokio ; Kitano, Claudio ; (2018 13th IEEE International Conference on Industry Applications, INDUSCON 2018 - Proceedings, 2019) [Trabalho apresentado em evento]
Electric power systems, especially after the advent of smart grids, require intelligent voltage and current meters devoted to energy billing, control, protection and quality monitoring. Novel Optical Voltage Sensors (OVS) ... -
Optimal location-allocation of storage devices and renewable-based DG in distribution systems
Home-Ortiz, Juan M.; ; ; Sanches Mantovani, José Roberto (Electric Power Systems Research, 2019) [Artigo]
This paper proposes a mixed integer conic programming (MICP) model to find the optimal type, size, and place of distributed generators (DG) over a multistage planning horizon in radial distribution systems. The proposed ... -
Bus-Angle Difference Structural Cuts for Transmission System Expansion Planning with L-l Reliability
Escobar, Laura M.; ; ; Romero, Ruben (2018 IEEE Electrical Power and Energy Conference, EPEC 2018, 2018) [Trabalho apresentado em evento]
This paper presents a methodology to solve the long-term transmission network expansion planning problem considering L-l reliability. The methodology supplements an underlying mixed-integer linear programming formulation ... -
An unequivocal normalization-based paradigm to solve multi-objective optimization problems-an engineering application
Pourakbari Kasmaei, Mahdi; Rider, Marcos J. ; Mantovani, Jose R.S. (Advances in Engineering Research, 2015) [Capítulo de livro]
This chapter presents a straightforward compromising methodology of dynamic economic and emission active-reactive optimal power flow (AROPF). AROPF considering environmental effects is a highly nonlinear problem, and the ... -
On switched control of discrete-time Takagi-Sugeno fuzzy systems with unknown membership functions
; ; Teixeira, Marcelo C.M.; Assunção, Edvaldo ; Cardim, Rodrigo ; (IEEE International Conference on Fuzzy Systems, 2018) [Trabalho apresentado em evento]
A switched control design for a class of uncertain nonlinear discrete-time systems is proposed in this manuscript. The proposed procedure uses Takagi-Sugeno fuzzy models to describe the nonlinear systems and the membership ... -
Geometrical features for premature ventricular contraction recognition with analytic hierarchy process based machine learning algorithms selection
Oliveira, Bruno Rodrigues de; ; ; Vieira Filho, Jozue (Computer Methods and Programs in Biomedicine, 2019) [Artigo]
Background and Objective: Premature ventricular contraction is associated to the risk of coronary heart disease, and its diagnosis depends on a long time heart monitoring. For this purpose, monitoring through Holter devices ... -
Accelerated frequency-dependent method of characteristics for the simulation of multiconductor transmission lines in the time domain
Torrez Caballero, Pablo; Kurokawa, Sergio ; (Electric Power Systems Research, 2019) [Artigo]
Simulation of transients in transmission lines can be time consuming and resource demanding when performed directly in the time domain using small time steps. This paper proposes an efficient implementation of the ...