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2 results on '"University of Alabama in Huntsville (UAH)"'

1. Output feedback hybrid-impulsive second order sliding mode control: Lyapunov approach

Author

Martin Weiss, Yuri B. Shtessel, Alain Glumineau, Franck Plestan, University of Alabama in Huntsville (UAH), Institut de Recherche en Communications et en Cybernétique de Nantes (IRCCyN), Mines Nantes (Mines Nantes)-École Centrale de Nantes (ECN)-Ecole Polytechnique de l'Université de Nantes (EPUN), Université de Nantes (UN)-Université de Nantes (UN)-PRES Université Nantes Angers Le Mans (UNAM)-Centre National de la Recherche Scientifique (CNRS), TNO Defence, Security and Safety (TNO), and The Netherlands Organisation for Applied Scientific Research (TNO)

Subjects
0209 industrial biotechnology, Impulse response, Defence Research, Defence, Safety and Security, 02 engineering and technology, Nonlinear control, Sliding mode control, Feedback, law.invention, WS - Weapon Systems, 020901 industrial engineering & automation, Control theory, Relay, law, [INFO.INFO-AU]Computer Science [cs]/Automatic Control Engineering, Convergence (routing), Mechanics, Materials and Structures, 0202 electrical engineering, electronic engineering, information engineering, ComputingMilieux_MISCELLANEOUS, Mathematics, Perturbed nonlinear systems, TS - Technical Sciences, 020208 electrical & electronic engineering, Convergence time, Lyapunov approach, Relative degree two, Relay feedback controls, Output feedback, Nonlinear system, Bounded function, Trajectory, Second-order sliding-mode control
Abstract

A perturbed nonlinear system of relative degree two controlled by output feedbacks discontinuous-hybrid-impulsive control is studied. The output hybrid-impulsive terms serve to drive instantaneously the system's trajectory to the origin or to its small vicinity. The output feedback impulsive action combined with the output relay feedback control guarantees a uniform exact convergence with zero convergence time of system's trajectory to a real 2-SMC in the presence of bounded perturbations. The stability of the considered hybrid-impulsive system is studied using Lyapunov approach. © 2014 IEEE.

Published
2014
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2. Super-twisting adaptive sliding mode control: A Lyapunov design

Author

Franck Plestan, Leonid Fridman, Yuri B. Shtessel, Alexander S. Poznyak, Jaime A. Moreno, University of Alabama in Huntsville (UAH), Electrica Y Computacion, Instituto de Ingeneria, UNAM, D.F., Mexico, Institut de Recherche en Communications et en Cybernétique de Nantes (IRCCyN), Mines Nantes (Mines Nantes)-École Centrale de Nantes (ECN)-Ecole Polytechnique de l'Université de Nantes (EPUN), Université de Nantes (UN)-Université de Nantes (UN)-PRES Université Nantes Angers Le Mans (UNAM)-Centre National de la Recherche Scientifique (CNRS), Department of Postgraduate Study National Autonomous University of Mexico, and Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV)

Subjects
Lyapunov function, 0209 industrial biotechnology, Engineering, Adaptive control, Finite convergence, business.industry, 020208 electrical & electronic engineering, 02 engineering and technology, Sliding mode control, Electronic mail, symbols.namesake, 020901 industrial engineering & automation, Robustness (computer science), Control theory, [INFO.INFO-AU]Computer Science [cs]/Automatic Control Engineering, Bounded function, 0202 electrical engineering, electronic engineering, information engineering, symbols, Finite time, business
Abstract

International audience; A novel super-twisting adaptive sliding mode controller is proposed. A drift uncertain term is assumed to be bounded with unknown boundary. The proposed approach consists in using dynamically adapted control gains that ensure the establishment, in a finite time, of a second order sliding mode. Finite convergence time is estimated. A numerical example confirms the efficacy of the proposed adaptive super- twisting control.

Published
2010
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