Search Results - "Oliveira, Ricardo L."

Endosonographic Mediastinal Lymph Node Staging in Non-Small Cell Lung Cancer: How I Teach It by Oliveira, Ricardo L., MD, Liberman, Moishe, MD, PhD

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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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Phase 1 Trial Evaluating Safety of Pulmonary Artery Sealing With Ultrasonic Energy in VATS Lobectomy by Goudie, Eric, Oliveira, Ricardo L., Thiffault, Vicky, Jouquan, Adeline, Lafontaine, Edwin, Ferraro, Pasquale, Liberman, Moishe

“…Energy-sealing devices may be useful to divide small pulmonary arteries (PAs) during video-assisted thoracoscopic surgery (VATS) lobectomy. We evaluated the…”
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Commentary: Should the surgical tactics of segmentectomy be planned on the anatomy of the segmental veins? by Oliveira, Ricardo L., Figueroa, Paula Ugalde

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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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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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LMI-Based Control for Grid-Connected Converters With LCL Filters Under Uncertain Parameters by Maccari, Luiz Antonio, Massing, Jorge Rodrigo, Schuch, Luciano, Rech, Cassiano, Pinheiro, Humberto, Oliveira, Ricardo C. L. F., Foletto Montagner, Vinicius

“…This paper presents a linear matrix inequality-based procedure for the design of state feedback current controllers that are robust to uncertainties on grid…”
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LMI Relaxations for Reduced-Order Robust H∞ Control of Continuous-Time Uncertain Linear Systems by AGULHARI, Cristiano M, OLIVEIRA, Ricardo C. L. F, PERES, Pedro L. D

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A new method for robust Schur stability analysis by de Oliveira, Maurício C., Oliveira, Ricardo C.L.F., Peres, Pedro L.D.

“…This article is concerned with robust stability of uncertain discrete-time linear systems. The matrix defining the linear system (system matrix) is assumed to…”
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Robust H2 and H∞ filter design for uncertain linear systems via LMIs and polynomial matrices by Lacerda, Márcio J., Oliveira, Ricardo C.L.F., Peres, Pedro L.D.

“…This paper presents new convex optimization procedures for full order robust H2 and H∞ filter design for continuous and discrete-time uncertain linear systems…”
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Rocinela signata (Isopoda: Aegidae) parasitizing the gills of the spotted goatfish Pseudupeneus maculatus (Actinopterygii: Mullidae) in Northeastern Brazil by Cardoso, Lucas, Martins, Maurício L, Golzio, Jéssica E S DE Aquíno, Bomfim, Carolina N C, Oliveira, Ricardo L M DE, Santos, Leilane B G Dos, Lacerda, Ana Carolina F

“…Parasitic isopods of fishes usually show wide distribution and low host specificity. This study investigated the occurrence of gill parasites in 120 specimens…”
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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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A Data-driven Approach for the Design of Wide-Area Damping Controllers by Bernardo, Raul T., Campestrini, Lucíola, Oliveira, Ricardo C. L. F., Aquino, Antonio F. C., Dotta, Daniel

“…The growing complexity of interconnected power systems, with significant penetration of intermittent renewable sources, makes the tasks of devising power…”
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