On local H∞ switched controller design for uncertain T–S fuzzy systems subject to actuator saturation with unknown membership functions

DR de Oliveira, MCM Teixeira, UNLT Alves… - Fuzzy Sets and …, 2018 - Elsevier
This manuscript proposes a local H∞ switched controller design for a class of uncertain
nonlinear plants described by Takagi–Sugeno (T–S) fuzzy models with unknown …

Adaptive fuzzy tracking control for a class of high-order switched uncertain nonlinear systems

X Wang, H Li, G Zong, X Zhao - Journal of the Franklin Institute, 2017 - Elsevier
In this paper, adaptive fuzzy tracking control is investigated for a class of high-order switched
nonlinear systems. The considered systems possess the characteristic of completely …

Electrically stimulated lower limb using a Takagi-Sugeno fuzzy model and robust switched controller subject to actuator saturation and fault under nonideal conditions

WRBM Nunes, UNLT Alves, MAA Sanches… - International Journal of …, 2022 - Springer
Electrically stimulated lower limb systems contain higher order nonlinearities and
uncertainties in their physical parameters. Takagi-Sugeno (TS) fuzzy models are used to …

Relaxed stabilization conditions for TS fuzzy systems with optimal upper bounds for the time derivative of fuzzy Lyapunov functions

AZN Lazarini, MCM Teixeira, MDS Jean… - IEEE …, 2021 - ieeexplore.ieee.org
This paper initially proposes an optimization problem and after presents its optimal solution.
Then, this result is applied to obtain relaxed conditions to design controllers for nonlinear …

Robust switched control design for electrically stimulated lower limbs: A linear model analysis in healthy and spinal cord injured subjects

RG Teodoro, WRBM Nunes, RA de Araujo… - Control Engineering …, 2020 - Elsevier
Functional electrical stimulation (FES) has been used to restore and aid motor functions in
paraplegics, promoting better therapeutic results for its users. From experimental results …

Switched control and tracking application in aeropendulum system using fuzzy models

HRM Silva, R Cardim, MCM Teixeira… - … on Fuzzy Systems …, 2021 - ieeexplore.ieee.org
Switched robust controllers are presented and applied to an aeropendulum system made at
the Control Research Laboratory from DEE-FEIS-UNESP in Brazil. The system has …

New stabilization conditions for fuzzy-based sampled-data control systems using a fuzzy Lyapunov functional

DJS Oncoy, R Cardim, MCM Teixeira, FA Faria… - IEEE …, 2023 - ieeexplore.ieee.org
This paper focuses on the stabilization problem of Takagi-Sugeno fuzzy systems via a
sampled-data controller using a fuzzy dependent functional. By employing a property of …

Control of switched affine systems with bounded sampling time rate on the switching function: Application to Buck DC-DC converter

EIM Júnior, L de Souza Costa… - Eletrônica de …, 2023 - journal.sobraep.org.br
The paper addresses the problem of designing a stabilizing control for switched affine and
its experimental verification based on Linear Matrix Inequalities (LMIs). The main …

Switched control design with guaranteed cost for uncertain nonlinear systems subject to actuator saturation

HRM Silva, ITM Ramos, U Alves, R Cardim… - IFAC-PapersOnLine, 2020 - Elsevier
This manuscript proposes a robust switched controller design with minimization of an upper
bound of a quadratic performance index (guaranteed cost) related to the system output for a …

Robust Switched Controller Based on Takagi-Sugeno Fuzzy Model for DC-DC Converters Against Disturbances

DJS Oncoy, R Cardim, MCM Teixeira… - … on Variable Structure …, 2022 - ieeexplore.ieee.org
This paper proposes the application of a robust switched control strategy for dc-dc
converters, primarily focuses on the restriction of the H_∞ norm improving the dynamic …