Search Results - "Dorea, Carlos E.T."

On impact of disturbance in the deployment problem of multi-agent system by Topolewicz, Katarzyna, Olaru, Sorin, Girejko, Ewa, Dórea, Carlos E T

“…The paper is dedicated to the robustness analysis of scalar multi-agent dynamical systems. The open problem we aim to address is the one related to the impact…”
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Pure Perception Motion Control based on Stochastic Nonlinear Model Predictive Control by Nascimento, Tiago P. do, Dórea, Carlos E. T., Gonçalves, Luiz Marcos G.

“…Noise coming from sensors or caused by external world phenomena results in measurement errors that cause uncertainties in some robotic tasks, e.g. tracking a…”
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Fragility Margin of PWA Control Laws using A Hyperplane Based Binary Search Tree by Yang, Songlin, Olaru, Sorin, Rodriguez-Ayerbe, Pedro, Dorea, Carlos E.T.

“…This paper concentrates on the fragility margins of discrete-time Piecewise Affine (PWA) closed-loop dynamics. Starting from the case where the nominal…”
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Perception-Driven Motion Control Based on Stochastic Nonlinear Model Predictive Controllers by Nascimento, Tiago P. do, Basso, Gabriel F., Dorea, Carlos E. T., Goncalves, Luiz Marcos G.

“…In mobile robotics, constraints may represent mobility issues, vision uncertainties, or localization uncertainties. In model predictive control (MPC) theory,…”
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Partial pole assignment using rank-one control and receptance in second-order systems with time delay by Dantas, Nelson J. B., Dorea, Carlos E. T., Araujo, Jose M.

“…In this note, a partial pole assignment approach is presented for second-order systems with time delay. The method uses the versatile system receptance for…”
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Oxygen Uptake Rate Measurement Using Kalman Filter and PWM Control in Activated Sludge Systems by dos Santos Silva, Francisco Jadilson, Catunda, Sebastian Yuri C., Dorea, Carlos E. T., van Haandel, Adrianus C., Santos, Helio Rodrigues dos

“…The availability of real-time information about the biological activity is a valuable matter in wastewater treatment employing activated sludge processes, and…”
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Pole-zero placement through the robust receptance method for multi-input active vibration control with time delay by Araújo, José Mário, Dantas, Nelson J.B., Dórea, Carlos E.T., Richiedei, Dario, Tamellin, Iacopo

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Output Feedback Constrained Regulation of Linear Systems via Controlled-Invariant Sets by Almeida, Tiago A., Dorea, Carlos E. T.

“…Design of output feedback controllers applied to the regulation problem for constrained linear discrete-time systems via set-invariance techniques is studied…”
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Polyhedral Invariant Sets for a Class of Lossless Propagation Models by Dorea, Carlos E.T., Olaru, Sorin, Niculescu, Silviu-Iulian

“…In this paper we analyse the positive invariance of polyhedral sets with respect to the state trajectories of a special class of dynamical systems governed by…”
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Design and Implementation of Model-Predictive Control With Friction Compensation on an Omnidirectional Mobile Robot by Lins Barreto S, Julio Cesar, Scolari Conceicao, Andre Gustavo, Dorea, Carlos E. T., Martinez, Luciana, de Pieri, Edson Roberto

“…This paper presents and discusses the implementation results of a model-predictive control (MPC) scheme with friction compensation applied to trajectory…”
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Delay-dependent set-invariance for linear difference equations with multiple delays: a polyhedral approach by Dórea, Carlos E. T., Olaru, Sorin, Niculescu, Silviu-Iulian, Răsvan, Vladimir

“…This paper revisits the set-invariance for linear delay-difference equations and proposes novel delay-dependent notions in contrast with the existing…”
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Modeling, Test Benches and Identification of a Quadcopter by Farias Filho, Joao Gutemberg B., Dorea, Carlos E.T., Bessa, Wallace M., Farias, Joao Lucas C.B.

“…The mathematical modeling of the dynamics of a quadcopter using the Newton-Euler method is presented in this study. Kinematics and kinetics were developed…”
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Design of rank-one modification feedback controllers for second-order systems with time delay using frequency response methods by Dantas, Nelson J.B., Dórea, Carlos E.T., Araújo, José M.

“…•A novel approach to design state feedback controllers for 2nd order systems with time delay is presented.•The approach uses the receptance method, with the…”
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Observer-Based Output Feedback Control Using Invariant Polyhedral Sets for Fuzzy T–S Models Under Constraints by Isidório, Isaac D., Dórea, Carlos E. T., Castelan, Eugênio B.

“…We propose a systematic design method to compute an observer-based output feedback controller for fuzzy Takagi–Sugeno (T–S) systems with unmeasurable premise…”
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State derivative feedback in second-order linear systems: A comparative analysis of perturbed eigenvalues under coefficient variation by Araújo, José M., Dórea, Carlos E.T., Gonçalves, Luiz M.G., Datta, Biswa N.

“…This paper presents a comparative study of sensitivity to parameter variation in two feedback techniques applied in second-order linear systems: state feedback…”
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Vibration Control of a Two-Link Flexible Robot Arm with Time Delay through the Robust Receptance Method by Araújo, José Mário, Bettega, Jason, Dantas, Nelson J. B., Dórea, Carlos E. T., Richiedei, Dario, Tamellin, Iacopo

“…This paper proposes a method for active vibration control to a two-link flexible robot arm in the presence of time delay, by means of robust pole placement…”
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Design of reduced complexity controllers for linear systems under constraints using data cluster analysis by Dantas, Amanda D. O. S., Dantas, André F. O. A., Almeida, Túlio F. D., Dórea, Carlos E. T.

“…A numerical method is proposed to reduce the complexity and computational effort involved in the application of the multiparametric linear programming…”
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Stochastic Nonlinear Model Predictive Mobile Robot Motion Control by Nascimento, Tiago P., Basso, Gabriel F., Dorea, Carlos E.T., Goncalves, Luiz M.G.

“…In mobile robotics, constraints may represent mobility issues, vision uncertainties or localization uncertainties. In model predictive control (MPC) theory,…”
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Modelling and Estimation of the Oxygen Transfer Function in a Bioreactor with Aeration Driven by PWM Signal by Silva, Francisco J. S., Catunda, Sebastian Y. C., Dorea, Carlos E. T., van Haandel, Adrianus C.

“…The dissolved oxygen concentration is a critical variable to the aerobic biological processes and, hence, the rate of oxygen transfer from gas phase to the…”
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Design of Observers With Error Limitation in Discrete-Time Descriptor Systems: A Case Study of a Hydraulic Tank System by Araujo, J. M., Barros, P. R., Dorea, C. E. T.

“…A novel descriptor observer structure is proposed in the context of discrete-time descriptor linear systems. On the basis of this new structure, the…”
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