Search Results - "Oliveira, L F C"

Identification of Shell Colour Pigments in Marine Snails Clanculus pharaonius and C. margaritarius (Trochoidea; Gastropoda) by Williams, S T, Ito, S, Wakamatsu, K, Goral, T, Edwards, N P, Wogelius, R A, Henkel, T, de Oliveira, L F C, Maia, L F, Strekopytov, S, Jeffries, T, Speiser, D I, Marsden, J T

“…Colour and pattern are key traits with important roles in camouflage, warning and attraction. Ideally, in order to begin to understand the evolution and…”
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Protocol for Energy-Efficiency in Networked Control Systems Based on WSN by Palma, Jonathan M, Duran-Faundez, Cristian, de P Carvalho, Leonardo, Morais, Cecília F, Oliveira, Ricardo C L F, Rubio, Ernesto, Herman, Krzysztof

“…This paper proposes a new communication protocol for output-feedback control through multi-hop Wireless Sensor Network (WSN). The protocol is based on a…”
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A Novel Theoretical Probabilistic Model for Opportunistic Routing with Applications in Energy Consumption for WSNs by Galarza, Christian E., Palma, Jonathan M., Morais, Cecilia F., Utria, Jaime, Carvalho, Leonardo P., Bustos, Daniel, Oliveira, Ricardo C. L. F.

“…This paper proposes a new theoretical stochastic model based on an abstraction of the opportunistic model for opportunistic networks. The model is capable of…”
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Robust Control Based on Observed States Designed by Means of Linear Matrix Inequalities for Grid-Connected Converters by Koch, Gustavo G., Osório, Caio R. D., Oliveira, Ricardo C. L. F., Montagner, Vinícius F.

“…This paper provides a procedure to design robust controllers based on observed states applied to three-phase inverters with LCL filters connected to a grid…”
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Gain-Scheduled Control Design Applied to Classical dc–dc Converters in Photovoltaic Systems and Constant Power Loads by Fuentes, Roberto M., Palma, Jonathan M., Júnior, Hildo Guillardi, Lacerda, Márcio J., Carvalho, Leonardo de P., Rojas, Alejandro J., Oliveira, Ricardo C. L. F.

“…This paper investigates the problem of control design for dc–dc converters, where the solution is especially suitable to address variations in the input…”
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Parameter-Dependent LMIs in Robust Analysis: Characterization of Homogeneous Polynomially Parameter-Dependent Solutions Via LMI Relaxations by Oliveira, R.C.L., Peres, P.L.D.

“…This note investigates the robust stability of uncertain linear time-invariant systems in polytopic domains by means of parameter-dependent linear matrix…”
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Velocity Gradient Optimization in a Perforated Tray-Type Flocculator using OpenFOAM: CFD as a Tool in Water Treatment by Melo, P A, E. R. C. G. Freire, Ansoni, J L, Oliveira, L F C, Franco, c s

“…Analysis of the velocity gradient of flocculators through Computational Fluid Dynamics (CFD) simulation can be essential to the optimization of hydraulic…”
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An LMI-Based Algorithm to Compute Robust Stabilizing Feedback Gains Directly as Optimization Variables by Felipe, Alexandre, Oliveira, Ricardo C. L. F.

“…This article addresses the problem of robust stabilization of uncertain linear systems by static state- and output-feedback control laws. The uncertainty is…”
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MPC for LPV systems with bounded parameter variations by Jungers, Marc, Oliveira, Ricardo C.L.F., Peres, Pedro L.D.

“…This article deals with the model predictive control (MPC) design problem for systems which are linearly dependent on a time-varying parameter. The main…”
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Robust Stability Analysis of Linear Parameter-Varying Systems With Markov Jumps by Vargas, Alessandro N., Agulhari, Cristiano M., Oliveira, Ricardo C. L. F., Preciado, Victor M.

“…This article presents conditions to assure the mean-square stability of linear parameter-varying systems with Markov jumps. The model dynamics are driven not…”
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Robust Optimized Current Controller Based on a Two-Step Procedure for Grid-Connected Converters by Mattos, Everson, Borin, Lucas Cielo, Osorio, Caio Ruviaro Dantas, Koch, Gustavo G., Oliveira, Ricardo C. L. F., Montagner, Vinicius Foletto

“…Proportional-resonant controllers are largely used for grid-connected converters with LCL filters to ensure sinusoidal reference tracking and harmonic…”
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Design Procedure Combining Linear Matrix Inequalities and Genetic Algorithm for Robust Control of Grid-Connected Converters by Koch, Gustavo Guilherme, Osorio, Caio R. D., Pinheiro, Humberto, Oliveira, Ricardo C. L. F., Montagner, Vinicius Foletto

“…This article proposes a design procedure for <inline-formula><tex-math notation="LaTeX">\mathcal {H}_{\infty }</tex-math></inline-formula> current controllers…”
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Robust Current Control of Grid-Tied Inverters Affected by LCL Filter Soft-Saturation by Osorio, Caio Ruviaro Dantas, Koch, Gustavo Guilherme, Pinheiro, Humberto, Oliveira, Ricardo C. L. F., Montagner, Vinicius Foletto

“…This article provides as contribution a systematic design procedure for robust current control of grid-tied inverters with LCL filters affected by inductor…”
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LMI Relaxations for Reduced-Order Robust Control of Continuous-Time Uncertain Linear Systems by Agulhari, C. M., Oliveira, R. C. L. F., Peres, P. L. D.

“…This technical note is concerned with the problem of reduced order robust H ∞ dynamic output feedback control design for uncertain continuous-time linear…”
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Robust Control of Synchronous Reluctance Motors by Means of Linear Matrix Inequalities by Scalcon, Filipe P., Osorio, Caio R. D., Koch, Gustavo G., Gabbi, Thieli S., Vieira, Rodrigo P., Grundling, Hilton A., Oliveira, Ricardo C. L. F., Montagner, Vinicius F.

“…This article proposes an alternative for robust control of synchronous reluctance motors using linear matrix inequalities to obtain fixed gains that ensure…”
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Linear matrix inequality‐based solution for memory static output‐feedback control of discrete‐time linear systems affected by time‐varying parameters by Palma, Jonathan M., Morais, Cecília F., Oliveira, Ricardo C. L. F.

“…This article investigates the problem of designing static output‐feedback controllers for linear parameter‐varying (LPV) discrete‐time systems through the…”
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A less conservative approach to handle time‐varying parameters in discrete‐time linear parameter‐varying systems with applications in networked control systems by Palma, Jonathan M., Morais, Cecília F., Oliveira, Ricardo C. L. F.

“…Summary This article proposes a new strategy to deal with linear parameter‐varying discrete‐time systems, whose time‐varying parameters can be written as…”
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Control design of uncertain discrete‐time Lur'e systems with sector and slope bounded nonlinearities by Bertolin, Ariádne L. J., Oliveira, Ricardo C. L. F., Valmorbida, Giorgio, Peres, Pedro L. D.

“…This article addresses the problem of static output‐feedback control design for uncertain discrete‐time Lur'e systems with sector and slope bounded…”
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Effects of genotype, wilting, and additives on the nutritive value and fermentation of bermudagrass silage by Vendramini, J M B, Aguiar, A D, Adesogan, A T, Sollenberger, L E, Alves, E, Galzerano, L, Salvo, P, Valente, A L, Arriola, K G, Ma, Z X, Oliveira, F C L

“…Bermudagrass is the main warm-season grass species used for livestock production in the southeastern United States; however, when it is ensiled, the silage…”
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Fixed-Order Linear Parameter-Varying Feedback Control of a Lab-Scale Overhead Crane by Hilhorst, Gijs, Pipeleers, Goele, Michiels, Wim, Oliveira, Ricardo C. L. F., Peres, Pedro L. D., Swevers, Jan

“…This brief presents a numerically attractive approach to design fixed-order H 2 /H ∞ controllers for discrete-time linear parameter-varying (LPV) systems. In…”
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