Search Results - "Balestrassi, P.P."

Design of experiments on neural network's training for nonlinear time series forecasting by Balestrassi, P.P., Popova, E., Paiva, A.P., Marangon Lima, J.W.

“…In this study, the statistical methodology of Design of Experiments (DOE) was applied to better determine the parameters of an Artificial Neural Network (ANN)…”
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Weighted Multivariate Mean Square Error for processes optimization: A case study on flux-cored arc welding for stainless steel claddings by Gomes, J.H.F., Paiva, A.P., Costa, S.C., Balestrassi, P.P., Paiva, E.J.

“…► This paper presents the method Weighted Multivariate Mean Square Error (WMMSE). ► The WMMSE optimizes multiple correlated responses. ► A cladding application…”
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A multivariate GR&R approach to variability evaluation of measuring instruments in resistance spot welding process by Almeida, F.A., De Paula, T.I., Leite, R.R., Gomes, G.F., Gomes, J.H.F., Paiva, A.P., Balestrassi, P.P.

“…The resistance spot welding is a promising and widely used method for joining mechanical structures, being applicable in various industrial sectors and…”
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Multiobjective portfolio optimization of ARMA–GARCH time series based on experimental designs by Mendes, R.R.A., Paiva, A.P., Peruchi, R.S., Balestrassi, P.P., Leme, R.C., Silva, M.B.

“…The modern portfolio theory has been trying to determine how an investor might allocate assets among the possible investments options. Since the seminal…”
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Design of experiments using artificial neural network ensemble for photovoltaic generation forecasting by Moreira, M.O., Balestrassi, P.P., Paiva, A.P., Ribeiro, P.F., Bonatto, B.D.

“…In recent years, renewable and sustainable energy sources have attracted the attention of various investors and stakeholders, such as energy sector agents and…”
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Design of experiments and focused grid search for neural network parameter optimization by Pontes, F.J., Amorim, G.F., Balestrassi, P.P., Paiva, A.P., Ferreira, J.R.

“…The present work offers some contributions to the area of surface roughness modeling by Artificial Neural Networks (ANNs) in machining processes. It proposes a…”
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Investigation of TQM implementation: empirical study in Brazilian ISO 9001-registered SMEs by Oliveira, G.S., Corrêa, J.E., Balestrassi, P.P., Martins, R.A., Turrioni, J.B.

“…This paper presents an investigation of TQM implementation in the context of small and medium enterprises (SMEs) ISO 9001:2008 registered Brazilian companies…”
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Wind energy investments facing uncertainties in the Brazilian electricity spot market: A real options approach by Aquila, G., de Queiroz, A.R., Balestrassi, P.P., Rotella Junior, P., Rocha, L.C.S., Pamplona, E.O., Nakamura, W.T.

“…This study proposes a Real Options approach to investigate the economic feasibility of a wind power plant investment with the option of abandoning along the…”
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A normal boundary intersection approach to multiresponse robust optimization of the surface roughness in end milling process with combined arrays by Brito, T.G., Paiva, A.P., Ferreira, J.R., Gomes, J.H.F., Balestrassi, P.P.

“…•Robust parameter design (RPD) is used as a multiobjective optimization approach.•RPD by normal boundary intersection (NBI) and mean square errors (MSE) is…”
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Multivariate process capability analysis applied to AISI 52100 hardened steel turning by Peruchi, R. S., Rotela Junior, P., Brito, T. G., Largo, J. J. J., Balestrassi, P. P.

“…Hard turning operations have been extensively investigated owing to their ability to reduce process cycle time, increase process flexibility, ensure…”
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Weighted approach for multivariate analysis of variance in measurement system analysis by Peruchi, R.S., Paiva, A.P., Balestrassi, P.P., Ferreira, J.R., Sawhney, R.

“…•We analyze measurement systems with multiple correlated characteristics.•We use a multivariate approach for gage repeatability and reproducibility studies.•We…”
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A multivariate robust parameter design approach for optimization of AISI 52100 hardened steel turning with wiper mixed ceramic tool by Paiva, A.P., Campos, P.H., Ferreira, J.R., Lopes, L.G.D., Paiva, E.J., Balestrassi, P.P.

“…This paper presents an experimental study of AISI 52100 hardened steel turned with wiper mixed ceramic (Al 2O 3 + TiC) inserts coated with TiN, using…”
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Electricity demand and spot price forecasting using evolutionary computation combined with chaotic nonlinear dynamic model by Unsihuay-Vila, C., Zambroni de Souza, A.C., Marangon-Lima, J.W., Balestrassi, P.P.

“…This paper proposes a new hybrid approach based on nonlinear chaotic dynamics and evolutionary strategy to forecast electricity loads and prices. The main idea…”
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Simulating Electricity Spot Prices in Brazil Using Neural Network and Design of Experiments by Queiroz, A.R., Oliveira, F.A., Lima, J.W.M., Balestrassi, P.P.

“…The electricity price has been one of the most important variables since the introduction of deregulation on the electricity sector. On this way, efficient…”
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A study of electricity price volatility for the Brazilian energy market by Leme, R.C., Turrioni, J.B., Balestrassi, P.P., Zambroni de Souza, A.C., Santos, P.S.

“…In the recent months, the price of the electricity in Brazil has presented a high level of volatility. As an example, the verified highest electricity price…”
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A Low Cost Implementation Of A Beam Machine by Balestrassi, L.C., Balestrassi, P.P., Borges da Silva, L.E., Lambert-Torres, G., Mukhedkar, D.

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