Search Results - "Calado, M. R. A."

Suitable mathematical model for the electrical characterization of different photovoltaic technologies: Experimental validation by Nunes, H.G.G., Pombo, J.A.N., Mariano, S.J.P.S., Calado, M.R.A.

“…•The modified multidimension diode model was validated with different technologies.•The most suitable photovoltaic model for the different technologies was…”
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A Novel Lagrangian Multiplier Update Algorithm for Short-Term Hydro-Thermal Coordination by Bento, P. M. R., Mariano, S. J. P. S., Calado, M. R. A., Ferreira, L. A. F. M.

“…The backbone of a conventional electrical power generation system relies on hydro-thermal coordination. Due to its intrinsic complex, large-scale and…”
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Bypass diode effect and photovoltaic parameter estimation under partial shading using a hill climbing neural network algorithm by Nunes, H. G. G., Morais, F. A. L., Pombo, J. A. N., Mariano, S. J. P. S., Calado, M. R. A.

“…In recent decades, population growth and industrial evolution have led to a significant increase in the need to produce electricity. Photovoltaic energy has…”
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Wave energy potential in Portugal–Assessment based on probabilistic description of ocean waves parameters by Mendes, R.P.G., Calado, M.R.A., Mariano, S.J.P.S.

“…This paper addresses the importance of the probabilistic analysis in determining the wave energy potential to support the design of electrical generators for…”
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Determination of the Earth Fault Factor in Power Systems for Different Earthed Neutrals by Calado, M R A, Mariano, S J P S

“…This paper proposes an analytical method to calculate the earth fault factor (EFF) in power systems, under different neutral earthed possibilities. The…”
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A new high performance method for determining the parameters of PV cells and modules based on guaranteed convergence particle swarm optimization by Nunes, H.G.G., Pombo, J.A.N., Mariano, S.J.P.S., Calado, M.R.A., Felippe de Souza, J.A.M.

“…•Guaranteed convergence particle swarm optimization (GCPSO) is proposed to determine the parameters of PV cells and modules.•The proposed new method is…”
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A bat optimized neural network and wavelet transform approach for short-term price forecasting by Bento, P.M.R., Pombo, J.A.N., Calado, M.R.A., Mariano, S.J.P.S.

“…[Display omitted] •We propose a new method for short-term price forecasting (STPF).•The new method is based on Bat Algorithm, Wavelet Transform and Artificial…”
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Ocean wave energy forecasting using optimised deep learning neural networks by Bento, P.M.R., Pombo, J.A.N., Mendes, R.P.G., Calado, M.R.A., Mariano, S.J.P.S.

“…Ocean renewable energy is a promising inexhaustible source of renewable energy, with an estimated harnessing potential of approximately 337 GW worldwide, which…”
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Multiswarm spiral leader particle swarm optimisation algorithm for PV parameter identification by Nunes, H.G.G., Silva, P.N.C., Pombo, J.A.N., Mariano, S.J.P.S., Calado, M.R.A.

“…[Display omitted] •A new M-SLPSO metaheuristic algorithm is proposed to identify PV parameters.•M-SLPSO retains diversity, adapts dynamically, balances…”
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Optimization of neural network with wavelet transform and improved data selection using bat algorithm for short-term load forecasting by Bento, P.M.R., Pombo, J.A.N., Calado, M.R.A., Mariano, S.J.P.S.

“…•We propose a new method for short-term load forecasting (STLF).•The new method is based on artificial neural networks optimized using bat algorithm.•The…”
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Collaborative swarm intelligence to estimate PV parameters by Nunes, H.G.G., Pombo, J.A.N., Bento, P.M.R., Mariano, S.J.P.S., Calado, M.R.A.

“…•Collaborative swarm intelligence is proposed to estimate PV parameters.•The proposed methodology mitigates premature convergence and population…”
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Electromagnetic design method for a TLSRG with application in ocean wave energy conversion by Mendes, R.P.G., Calado, M.R.A., Mariano, S.J.P.S.

“…•A new method to design a tubular linear switched reluctance generator.•The new method is based on a minimization process.•The design procedure is supported by…”
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Impacts of the COVID-19 pandemic on electric energy load and pricing in the Iberian electricity market by Bento, P.M.R., Mariano, S.J.P.S., Calado, M.R.A., Pombo, J.A.N.

“…The ongoing COVID-19 pandemic has established itself has one of the biggest health crises facing humanity. Countries all around the world were forced to adopt…”
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A new controller for DC-DC converters based on particle swarm optimization by Fermeiro, J.B.L., Pombo, J.A.N., Calado, M.R.A., Mariano, S.J.P.S.

“…[Display omitted] •We propose a new algorithm to control DC-DC converters.•The new algorithm is based on Particle Swarm Optimization.•The proposed controller…”
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Optimal response of a hydroelectric power plant with bilateral contracts by Mariano, S J P S, Calado, M R A, Ferreira, L A F M

“…Deregulation and liberalization of electric power industry, among other things, has created new requirements for the market participants. The power system…”
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Pole-shifting procedure to specify the weighting matrices for a load-frequency controller by Mariano, S J P S, Pombo, J A N, Calado, M R A, Ferreira, L A F M

“…This paper addresses the stabilization and performance of the load frequency regulator. Proposes a new technique, based on pole placement using optimal…”
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Optimal Hydro-Wind Power Generation for Day-Ahead Pool Market by J. Cerejo da Silva, A., Pinto Simoes Mariano, Silvio Jose, Alves Calado, Maria Rosario

“…Wind power production is uncertain. The imbalance between power committed and delivered on pool markets produces increased costs on the system, which must be…”
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Using finite element method based software to teach electrical machines-The linear switched reluctance actuator by Calado, M. R. A., Espírito-Santo, A. E. V., Salvado, J. A. C., Cabrita, C. M. P., Mariano, S. J. P. S.

“…ABSTRACT In this paper, the authors intend to propose a method to teach Electrical Machines in Electrical Engineering courses. The way that both in textbooks…”
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On the influence of the pole and teeth shapes on the performance of linear switched reluctance actuator by Espírito-Santo, A.E., Calado, M.R.A., Cabrita, C.M.P.

“…Purpose - The purpose of this paper is the evaluation of the influence of pole and teeth shapes on the behaviour of a linear switched reluctance actuator…”
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Supercapacitors voltage balancing methods: a comprehensive review by Faria, J.P.D., Fernandes, A.C.G.M., Pombo, J.A.N., Calado, M.R.A., Mariano, S.J.P.S.

“…Supercapacitors have recently gained interest due to their unique features such as high-power density, low equivalent series internal resistance, long…”
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