bruno barbosa - Academia.edu (original) (raw)

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Papers by bruno barbosa

Research paper thumbnail of Black and Gray-Box Identification of a Hydraulic Pumping System

IEEE Transactions on Control Systems Technology, 2011

The use of auxiliary information during the identification of nonlinear systems can be handled in... more The use of auxiliary information during the identification of nonlinear systems can be handled in different ways and at different levels. In this paper, static information of a 15kW hydraulic pumping system is used as a priori knowledge in the parameters estimation of polynomial models which are compared to polynomial and neural models obtained by blackbox techniques. The aim is to find models with good performance in both transient and steady-state regimes. The paper presents a novel bi-objective problem that uses free-run simulation and a new decision-maker. The optimization problem is solved using a genetic algorithm. Compared with other techniques, the proposed approach can lead to models with better dynamic and static performance.

Research paper thumbnail of Influence of Mechanical Draft Tube Fish Barrier on the Hydraulic Thrust of Small Francis Turbines

Journal of Hydraulic Engineering-asce, 2010

Influence of Mechanical Draft Tube Fish Barrier on the Hydraulic Thrust of Small Francis Turbines... more Influence of Mechanical Draft Tube Fish Barrier on the Hydraulic Thrust of Small Francis Turbines. [Journal of Hydraulic Engineering 136, 924 (2010)]. Marco Tulio C. Faria, Olair Gonçalves Paulino, Fernando Henrique de Oliveira ...

Research paper thumbnail of Designing Fluid Velocity Profiles for Optimal Primary Cementing

Research paper thumbnail of Morphological, biochemical and kinetic properties of lipase from Candida rugosa immobilized in zirconium phosphate

Biocatalysis and Biotransformation, 2007

Research paper thumbnail of Atividade e estabilidade operacional de lipase imobilizada em fosfato de zircônio na ausência e presença de polietilenoglicol

Acta Scientiarum-technology, 2006

Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operaciona... more Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operacional de lipase imobilizada em fosfato de zircônio na ausência e presença de polietilenoglicol fosfato de zircônio na ausência e presença de polietilenoglicol fosfato de zircônio na ausência e presença de polietilenoglicol fosfato de zircônio na ausência e presença de polietilenoglicol

Research paper thumbnail of Mini-implantes: pontos consensuais e questionamentos sobre o seu uso clínico

Revista Dental Press De Ortodontia E Ortopedia Facial, 2008

COnsOlaRO, a.; sant'ana, E.; FRanCisChOnE JR, C. E.; COnsOlaRO, M. F. M-O.; BaRBOsa, B. a.

Research paper thumbnail of Black and Gray-Box Identification of a Hydraulic Pumping System

IEEE Transactions on Control Systems Technology, 2011

The use of auxiliary information during the identification of nonlinear systems can be handled in... more The use of auxiliary information during the identification of nonlinear systems can be handled in different ways and at different levels. In this paper, static information of a 15kW hydraulic pumping system is used as a priori knowledge in the parameters estimation of polynomial models which are compared to polynomial and neural models obtained by blackbox techniques. The aim is to find models with good performance in both transient and steady-state regimes. The paper presents a novel bi-objective problem that uses free-run simulation and a new decision-maker. The optimization problem is solved using a genetic algorithm. Compared with other techniques, the proposed approach can lead to models with better dynamic and static performance.

Research paper thumbnail of Influence of Mechanical Draft Tube Fish Barrier on the Hydraulic Thrust of Small Francis Turbines

Journal of Hydraulic Engineering-asce, 2010

Influence of Mechanical Draft Tube Fish Barrier on the Hydraulic Thrust of Small Francis Turbines... more Influence of Mechanical Draft Tube Fish Barrier on the Hydraulic Thrust of Small Francis Turbines. [Journal of Hydraulic Engineering 136, 924 (2010)]. Marco Tulio C. Faria, Olair Gonçalves Paulino, Fernando Henrique de Oliveira ...

Research paper thumbnail of Designing Fluid Velocity Profiles for Optimal Primary Cementing

Research paper thumbnail of Morphological, biochemical and kinetic properties of lipase from Candida rugosa immobilized in zirconium phosphate

Biocatalysis and Biotransformation, 2007

Research paper thumbnail of Atividade e estabilidade operacional de lipase imobilizada em fosfato de zircônio na ausência e presença de polietilenoglicol

Acta Scientiarum-technology, 2006

Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operaciona... more Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operacional de lipase imobilizada em Atividade e estabilidade operacional de lipase imobilizada em fosfato de zircônio na ausência e presença de polietilenoglicol fosfato de zircônio na ausência e presença de polietilenoglicol fosfato de zircônio na ausência e presença de polietilenoglicol fosfato de zircônio na ausência e presença de polietilenoglicol

Research paper thumbnail of Mini-implantes: pontos consensuais e questionamentos sobre o seu uso clínico

Revista Dental Press De Ortodontia E Ortopedia Facial, 2008

COnsOlaRO, a.; sant'ana, E.; FRanCisChOnE JR, C. E.; COnsOlaRO, M. F. M-O.; BaRBOsa, B. a.

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