Search Results - "Dorea, Carlos E T"

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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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 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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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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From Relaxed Constraint Satisfaction to p-Invariance of Sets by Olaru, Sorin, Soyer, Martin, Zhao, Zhixin, Dorea, Carlos E. T., Kofman, Ernesto, Girard, Antoine

“…The present article proposes a general framework for the analysis of constraints satisfaction with respect to the trajectories of a dynamical system. The…”
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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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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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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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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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Robustness of the quadratic partial eigenvalue assignment using spectrum sensitivities for state and derivative feedback designs by Araújo, José M, Dórea, Carlos ET, Gonçalves, Luiz MG, Carvalho, João BP, Datta, Biswa N

“…Based on the notions of spectrum sensitivities, proposed by us earlier, we develop a novel optimization approach to deal with robustness in the closed-loop…”
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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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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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On deployment problem of multi-agent systems with delays by Topolewicz, Katarzyna, Dorea, Carlos E. T., Olaru, Sorin, Girejko, Ewa

“…The paper analyzes the decentralized deployment policies for scalar multi-agent systems subject to delays. As a main contribution we obtain explicit conditions…”
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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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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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Dynamic output feedback control of constrained descriptor systems by Araújo, José M, Barros, Péricles R, Dórea, Carlos ET

“…This paper aims to present an approach for design of dynamic output feedback compensators for linear discrete-time descriptor systems subject to state and…”
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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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Disturbance observer for estimation of oxygen uptake rate in an activated sludge reactor by dos Santos Silva, Francisco Jadilson, de Macedo, Euler C. T., Catunda, Sebastian Y. C., Dorea, Carlos E. T., Van Haandel, Adrianus C.

“…The oxygen uptake rate (OUR) is an important quantity to the aerobic activated sludge processes. It can be used to model and to optimize the system, for…”
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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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