Search Results - "Amaral, W C"

Hierarchical fuzzy models within the framework of orthonormal basis functions and their application to bioprocess control by Campello, R.J.G.B., Von Zuben, F.J., Amaral, W.C., Meleiro, L.A.C., Maciel Filho, R.

“…Fuzzy models within the framework of orthonormal basis functions (OBF fuzzy models) have been introduced in previous works and shown to be a very promising…”
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Modeling and linguistic knowledge extraction from systems using fuzzy relational models by Campello, R.J.G.B., Amaral, W.C.

“…Fuzzy relational models have been widely investigated and found to be an efficient tool for the identification of complex systems. However, little attention…”
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Neural approach for solving several types of optimization problems by DA SILVA, I. N, AMARAL, W. C, ARRUDA, L. V. R

“…Neural networks consist of highly interconnected and parallel nonlinear processing elements that are shown to be extremely effective in computation. This paper…”
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APPLICATION OF HIERARCHICAL NEURAL FUZZY MODELS TO MODELING AND CONTROL OF A BIOPROCESS by Meleiro, L. A. C., Campello, R. J. G. B., Maciel Filho, R., Amaral, W. C.

“…Hierarchical structures have been introduced in the literature to deal with the dimensionality problem, which is the main drawback to the application of neural…”
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Towards true linguistic modelling through optimal numerical solutions by Campello, R. J. G. B., Amaral, W. C.

“…This paper is concerned with both the problems of quantitative and qualitative modelling of complex systems by using fuzzy techniques. A unified approach for…”
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Control of a bioprocess using orthonormal basis function fuzzy models by Campello, R.J.G.B., Meleiro, L.A.C., Amaral, W.C.

“…Fuzzy models within the framework of orthonormal basis functions (OBF fuzzy models) were introduced in previous works and have shown to be a very promising…”
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Takagi-Sugeno Fuzzy Models in the Framework of Orthonormal Basis Functions by Machado, J. B., Campello, R. J. G. B., Amaral, W. C.

“…An approach to obtain Takagi-Sugeno (TS) fuzzy models of nonlinear dynamic systems using the framework of orthonormal basis functions (OBFs) is presented in…”
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Exact Search Directions for Optimization of Linear and Nonlinear Models Based on Generalized Orthonormal Functions by da Rosa, A., Campello, R., Amaral, W.C.

“…A novel technique for selecting the poles of orthonormal basis functions (OBF) in Volterra models of any order is presented. It is well-known that the usual…”
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A novel approach to robust parameter estimation using neurofuzzy systems by da Silva, Ivan N., de Arruda, Lucia V.R., do Amaral, Wagner C.

“…A novel approach for solving robust parameter estimation problems is presented for processes with unknown-but-bounded errors and uncertainties. An artificial…”
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A Predictive Algorithm for Controlling Speed and Rotor Flux of Induction Motor by de Santana, E.S., Bim, E., do Amaral, W.C.

“…A model-based predictive control of rotor flux and speed of a vector-controlled induction motor (IM) is presented. A state-space approach is employed for…”
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Optimal Laguerre series expansion of discrete volterra models by Campello, R. J. G. B., Amaral, W. C., Favier, G.

“…This paper is concerned with the selection of optimal Laguerre bases for the orthonormal series expansion of discrete-time Volterra models. The aim is to…”
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Optimal expansions of discrete-time Volterra models using Laguerre functions by Campello, Ricardo J.G.B., Favier, Gérard, do Amaral, Wagner C.

“…This work is concerned with the optimization of Laguerre bases for the orthonormal series expansion of discrete-time Volterra models. The aim is to minimize…”
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A note on the optimal expansion of Volterra models using Laguerre functions by Campello, Ricardo J.G.B., do Amaral, Wagner C., Favier, Gérard

“…This work tackles the problem of expanding Volterra models using Laguerre functions. A strict global optimal solution is derived when each multidimensional…”
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Constrained robust predictive controller for uncertain processes modeled by orthonormal series functions by Oliveira, Gustavo H.C., Amaral, Wagner C., Favier, Gérard, Dumont, Guy A.

“…The present work focuses on robust predictive control (RPC) of uncertain processes and proposes a new approach based on orthonormal series function modeling…”
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An object-oriented environment for control systems in oil industry by Arruda, Luders, Amaral, Gomide

“…Most industrial processes have several particular characteristics, system requirements and performance which may not be obtained by classical control…”
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Design and analysis of an efficient neural network model for solving nonlinear optimization problems by da Silva, Ivan Nunes, do Amaral, Wagner Caradori, de Arruda, Lucia Valeria

“…This paper presents an efficient approach based on a recurrent neural network for solving constrained nonlinear optimization. More specifically, a modified…”
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Robust expansion of uncertain Volterra kernels into orthonormal series by da Rosa, A, Campello, R J G B, Ferreira, P A V, Oliveira, G H C, Amaral, W C

“…This paper is concerned with the computation of uncertainty bounds for the expansion of uncertain Volterra models into an orthonormal basis of functions, such…”
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Fuzzy models within orthonormal basis function framework by Oliveira, G.H.C., Campello, R.J.G.B., Amaral, W.C.

“…Presents a framework for fuzzy modeling of dynamic systems using orthonormal basis functions in the representation of the model input signals. The main…”
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An efficient model of neural networks for dynamic programming by Da Silva, Ivan Nunes, Do Amaral, Wagner Caradori, De Arruda, Lucia Valeria Ramos

“…Systems based on artificial neural networks have high computational rates owing to the use of a massive number of simple processing elements and the high…”
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A new recursive partitioned estimation algorithm derived from extended least squares technique by Amaral, W. C., Gimeno, L., Mendes, M.

“…The generalization of the Extended Least Squares algorithm for parameter estimation in MIMO systems with ARMA for the noise allows a parallel estimation of row…”
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