Search Results - "Galvao, R. K. H."

A Dynamic-State Feedback Approach Employing a New State-Space Description for the Fast Wavelet Transform with Multiple Decomposition Levels by Uzinski, J. C., Paiva, H. M., Galvão, R. K. H., Assunção, E., Duarte, M. A. Q., Villarreal, F.

“…This research paper proposes a wavelet-based dynamic-state feedback control strategy in the discrete time domain. In this proposal, the state feedback employs…”
Get full text

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…”
Get full text

Sliding mode predictive control of a magnetic levitation system employing multi-parametric programming by Augusto Queiroz Assis, Pedro, Kawakami Harrop Galvao, Roberto

“…This paper is concerned with the application of sliding mode predictive control (SMPC) on a laboratory-scale magnetic levitation system. The main contribution…”
Get full text

Femto-chemometrics: The signal processing of fast pulse transients by Hadjiloucas, S, Walker, G C, Bowen, J W, Galvao, R K H

“…Traditional chemometrics techniques are augmented with algorithms tailored specifically for the de-noising and analysis of femtosecond duration pulse datasets…”
Get full text

Pruning Extreme Learning Machines Using the Successive Projections Algorithm by Parente Mesquita, Diego, Gomes, Joao, Ramos Rodrigues, Leonardo, Kawakami Galvao, Roberto

“…Extreme Learning Machine (ELM) is a recently proposed machine learning method with successful applications in many domains. The key strengths of ELM are its…”
Get full text

Adaptive control for mobile robot using wavelet networks by de Sousa, C., Hemerly, E.M., Galvao, R.K.H.

“…This work improves recent results concerning the adaptive control of mobile robots via neural and wavelet networks, in the sense that the stability proof,…”
Get full text

A competitive wavelet network for signal clustering by Galvao, R.K.H., Yoneyama, T.

“…This correspondence proposes a novel signal clustering method based on the unsupervised training of a wavelet network. The synaptic weights are parameterized…”
Get full text

Comparison of subspace and ARX models of a waveguide's terahertz transient response after optimal wavelet filtering by Hadjiloucas, S., Galvao, R.K.H., Becerra, V.M., Bowen, J.W., Martini, R., Brucherseifer, M., Pellemans, H.P.M., Bolivar, P.H., Kurz, H., Chamberlain, J.M.

“…A quasi-optical deembedding technique for characterizing waveguides is demonstrated using wide-band time-resolved terahertz spectroscopy. A transfer function…”
Get full text

Simulation of dynamic systems with output saturation by Paiva, H.M., Galvao, R.K.H.

“…This paper concerns the design of simulation schemes for dynamic systems with output saturation. The use of saturation blocks commonly available in simulation…”
Get full text

A simple technique for identifying a linearized model for a didactic magnetic levitation system by Galvao, R.K.H., Yoneyama, T., de Araujo, F.M.U., Machado, R.G.

“…A simple technique for obtaining the parameters of a linearized model for a didactic magnetic levitation system is introduced. The proposed procedure only…”
Get full text

Model Predictive Control using Prognosis and Health Monitoring of actuators by Pereira, E B, Galvao, R K H, Yoneyama, T

“…In order to keep a plant running until the next scheduled maintenance, a Prognosis and Health Monitoring (PHM) system may provide valuable information that can…”
Get full text

Determination of the domain of attraction and regions of guaranteed cost for robust model predictive controllers based on linear matrix inequalities by Rossi, F. Q., Waschburger, R., Galvao, R. K. H.

“…The robust model-based predictive control (RMPC) formulation originally proposed in [1] ensures convergence of the state trajectory to the origin and…”
Get full text

Predictive Control of a helicopter model with tolerance to actuator faults by Afonso, Rubens Junqueira Magalhaes, Galvao, R K H

“…Predictive Control formulations can be designed with nominal asymptotic stability guarantees, provided that the associated optimization problem is feasible at…”
Get full text

Predictive control with trajectory planning in the presence of obstacles by Afonso, R. J. M., Galvao, R. K. H., Kienitz, K. H.

“…In this work, a trajectory planning technique for an autonomous vehicle is proposed. A Predictive Control formulation is used both to plan a trajectory and…”
Get full text

Input delay estimation using quadratic programming by Waschburger, R., Paiva, H. M., Galvao, R. K. H.

“…Several techniques have been developed to take into account the presence of time delays in the design of a controller. However, such techniques usually require…”
Get full text

Multitask trajectory planning based on Predictive Control by Afonso, R. J. M., Galvao, R. K. H., Kienitz, K. H.

“…In this work, a Predictive Control formulation for trajectory planning with multiple target sets is proposed, which solves the problem of performing all tasks…”
Get full text

Fault detection in a laboratory helicopter employing a wavelet-based analytical redundancy approach by Waschburger, R, Paiva, H M, Ribeiro e Silva, Joao Jose, Galvao, R K H

“…Wavelet-based techniques for fault detection usually employ one of two basic approaches, namely (a) decomposition of a measured signal containing fault-related…”
Get full text