Search Results - "Galvao, Roberto Kawakami Harrop"

A New Degradation Indicator Based on a Statistical Anomaly Approach by Pordeus Gomes, Joao Paulo, Kawakami Harrop Galvao, Roberto, Yoneyama, Takashi, Leao, Bruno P.

“…This paper presents a new method for combining measured parameters into a single indicator for monitoring the condition of systems subjected to degradation…”
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Nonlinear predictive control employing Carleman bilinearization and fixed search directions by Resende Pereira, Henrique William, Kawakami Harrop Galvão, Roberto, Yoneyama, Takashi

“…This work is concerned with the predictive control of nonlinear systems using the Carleman bilinearization technique. Given a nonlinear system model with…”
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Fractional Order Modeling of Large Three-Dimensional RC Networks by Galvao, R. K. H., Hadjiloucas, S., Kienitz, K. H., Paiva, H. M., Afonso, R. J. M.

“…An incidence matrix analysis is used to model a three-dimensional network consisting of resistive and capacitive elements distributed across several…”
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Near infrared reflectance spectrometry classification of cigarettes using the successive projections algorithm for variable selection by Moreira, Edilene Dantas Teles, Pontes, Márcio José Coelho, Galvão, Roberto Kawakami Harrop, Araújo, Mário César Ugulino

“…This paper proposes a methodology for cigarette classification employing Near Infrared Reflectance spectrometry and variable selection. For this purpose, the…”
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Sub-optimal wavelet denoising of coaveraged spectra employing statistics from individual scans by Galvão, Roberto Kawakami Harrop, Filho, Heronides Adonias Dantas, Martins, Marcelo Nascimento, Araújo, Mário César Ugulino, Pasquini, Celio

“…This paper proposes a novel wavelet denoising method, which exploits the statistics of individual scans acquired in the course of a coaveraging process. The…”
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Multivariate analysis of the dielectric response of materials modeled using networks of resistors and capacitors by Kawakami Harrop Galvao, Roberto, Kienitz, K. H., Hadjiloucas, S., Walker, G. C., Bowen, J. W., Figueredo Carreiro Soares, Sofacles, Ugulino Araujo, Mario Cesar

“…We discuss the modeling of dielectric responses of electromagnetically excited networks which are composed of a mixture of capacitors and resistors. Such…”
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A modification of the successive projections algorithm for spectral variable selection in the presence of unknown interferents by Soares, Sófacles Figueredo Carreiro, Galvão, Roberto Kawakami Harrop, Araújo, Mário César Ugulino, Silva, Edvan Cirino da, Pereira, Claudete Fernandes, Andrade, Stéfani Iury Evangelista de, Leite, Flaviano Carvalho

“…This work proposes a modification to the successive projections algorithm (SPA) aimed at selecting spectral variables for multiple linear regression (MLR) in…”
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QSPR Modeling of Soil Sorption Coefficients (K OC) of Pesticides Using SPA-ANN and SPA-MLR by Goudarzi, Nasser, Goodarzi, Mohammad, Araujo, Mario Cesar Ugulino, Galvão, Roberto Kawakami Harrop

“…A quantitative structure−property relationship (QSPR) study was conducted to predict the adsorption coefficients of some pesticides. The successive projection…”
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Time delay estimation in discrete-time state-space models by Waschburger, Ronaldo, Galvão, Roberto Kawakami Harrop

“…This paper proposes a method for estimating multiple input delays in systems described by discrete-time state-space models. The proposed method is based on the…”
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UV–Vis spectrometric classification of coffees by SPA–LDA by Souto, Urijatan Teixeira Carvalho Polari, Pontes, Márcio José Coelho, Silva, Edvan Cirino, Galvão, Roberto Kawakami Harrop, Araújo, Mário César Ugulino, Sanches, Fátima Aparecida Castriani, Cunha, Francisco Antônio Silva, Oliveira, Maria Socorro Ribeiro

“…UV–Vis spectrometry and chemometric techniques were used to classify aqueous extracts of Brazilian ground roast coffee with respect to type…”
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A comparative study of calibration transfer methods for determination of gasoline quality parameters in three different near infrared spectrometers by Pereira, Claudete Fernandes, Pimentel, Maria Fernanda, Galvão, Roberto Kawakami Harrop, Honorato, Fernanda Araújo, Stragevitch, Luiz, Martins, Marcelo Nascimento

“…This work presents a comparative study of calibration transfer among three near infrared spectrometers for determination of naphthenes and RON (Research Octane…”
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Wavelet-packet identification of dynamic systems in frequency subbands by Mohallem Paiva, Henrique, Kawakami Harrop Galvão, Roberto

“…This work presents a technique for linear system identification in frequency subbands by using wavelet packets. The wavelet-packet decomposition tree is used…”
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Sense Avoidance Constraints for Conflict Resolution between Autonomous Vehicles by Junqueira Magalhaes Afonso, Rubens, Kawakami Harrop Galvao, Roberto, Kienitz, Karl Heinz

“…Potential conflict situations between vehicles in the presence of obstacles are addressed by a decentralized approach imposing sense constraints, i.e.,…”
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On the Space of Orthonormal Wavelets: Additional Constraints to Ensure Two Vanishing Moments by Paiva, H.M., Martins, M.N., Galvao, R.K.H., Paiva, J.P.L.M.

“…This letter extends the formulation developed by Sherlock and Monro for parameterization of orthonormal wavelet filter banks. Additional constraints are…”
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A two‐dimensional RC network topology for fault‐tolerant design of analog circuits by Paiva, Henrique Mohallem, Galvão, Roberto Kawakami Harrop, Hadjiloucas, Sillas, Yoneyama, Takashi, Marcolino, Matheus Henrique

“…Summary This paper proposes a novel one‐port passive circuit topology consisting of a two‐dimensional network of resistors and capacitors, which can be used as…”
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Comments on 'Less conservative conditions for robust LQR-state-derivative controller design: an LMI approach' and new sufficient LMI conditions for invertibility of a convex combination of matrices by Galvão, Roberto Kawakami Harrop, Teixeira, Marcelo Carvalho Minhoto, Szulc, Tomasz, Assunção, Edvaldo, Beteto, Marco Antonio Leite

“…This note is concerned with conditions on a set of non-singular matrices , , so that any convex combination of these matrices is also non-singular. The first…”
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A variable elimination method to improve the parsimony of MLR models using the successive projections algorithm by Galvão, Roberto Kawakami Harrop, Araújo, Mário César Ugulino, Fragoso, Wallace Duarte, Silva, Edvan Cirino, José, Gledson Emidio, Soares, Sófacles Figueredo Carreiro, Paiva, Henrique Mohallem

“…The successive projections algorithm (SPA) is a variable selection technique designed to minimize collinearity problems in multiple linear regression (MLR)…”
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Classification of Brazilian soils by using LIBS and variable selection in the wavelet domain by Pontes, Márcio José Coelho, Cortez, Juliana, Galvão, Roberto Kawakami Harrop, Pasquini, Celio, Araújo, Mário César Ugulino, Coelho, Ricardo Marques, Chiba, Márcio Koiti, de Abreu, Mônica Ferreira, Madari, Beáta Emöke

“…This paper proposes a novel analytical methodology for soil classification based on the use of laser-induced breakdown spectroscopy (LIBS) and chemometric…”
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Identification of Fractional-Order Transfer Functions Using a Step Excitation by Jacyntho, Luiz Antonio, Teixeira, Marcelo Carvalho Minhoto, Assuncao, Edvaldo, Cardim, Rodrigo, Galvao, Roberto Kawakami Harrop, Hadjiloucas, Sillas

“…This brief proposes a new method for the identification of fractional-order transfer functions based on the time response resulting from a single step…”
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An Output-Feedback Design Approach for Robust Stabilization of Linear Systems with Uncertain Time-Delayed Dynamics in Sensors and Actuators by Sereni, Bruno, Galvao, Roberto K. H., Assuncao, Edvaldo, Teixeira, Marcelo C. M.

“…In this paper, we propose a control approach for the robust stabilization of linear time-invariant (LTI) systems with non-negligible sensor and actuator…”
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